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 <div ALIGN=CENTER><FONT SIZE=2><B>As filed with the Securities and Exchange
 Commission on March 16, 2012</B></FONT></div>
<div ALIGN=RIGHT style="margin-right:5%"><FONT SIZE=2><B>Registration No. 333-</B></FONT></div>

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 <P ALIGN=CENTER><FONT SIZE=4><B>UNITED STATES</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=4><B>SECURITIES AND EXCHANGE COMMISSION</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE="3"><B>Washington,
D.C. 20549</B> </FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=5><B>FORM S-8</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=3><B>REGISTRATION
 STATEMENT UNDER THE SECURITIES ACT OF 1933</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=6><B>ZYGO CORPORATION</B></FONT></P>
 </TD>
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 <TD COLSPAN=3 VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>(Exact
 name of registrant as specified in its charter)</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><B>Delaware</B></FONT></P>
 </TD>
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 <P ALIGN=CENTER><FONT SIZE=2><B>06-0864500</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2>(State
 or other jurisdiction of</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2>(I.R.S.
 Employer</FONT></P>
 </TD>
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 <P ALIGN=CENTER><FONT SIZE=2>incorporation
 or organization)</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2>Identification
 No.)</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><B>Laurel Brook Road</B></FONT></P>
 </TD>
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 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><B>Middlefield, Connecticut</B></FONT></P>
 </TD>
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 <P ALIGN=CENTER><FONT SIZE=2><B>06455-0448</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2>(Address
 of Principal Executive Offices)</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2>(Zip
 Code)</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><B>Zygo Corporation 2012 Equity Incentive Plan</B></FONT></P>
 </TD>
 </TR>
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 <TD COLSPAN=2 VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2><B>Stock Option Agreement between Zygo Corporation and Chris L. Koliopoulos</B></FONT></P>
 </TD>
 </TR>
 <TR>
 <TD COLSPAN=2 VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>(Full
 title of the plans)</FONT></P>
 </TD>
 </TR>
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 <P ALIGN=CENTER><FONT SIZE=2><B>John A. Tomich, Esq.</B></FONT></P>
 </TD>
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 <TD COLSPAN=2 VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2><B>Vice President, General Counsel &amp;
 Secretary</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><B>Zygo Corporation</B></FONT></P>
 </TD>
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 <P ALIGN=CENTER><FONT SIZE=2><B>Laurel Brook Road</B></FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><B>Middlefield, Connecticut 06455-1291</B></FONT></P>
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 <TD COLSPAN=2 VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>(Name
 and address of agent for service)</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><B> (860) 347-8506</B></FONT></P>
 </TD>
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 <TD COLSPAN=2 VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>(Telephone
 number, including area code, of agent for service)</FONT></P>
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 <P ALIGN=CENTER><FONT SIZE=2><I><B>Copy to:</B></I></FONT></P>
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 <P ALIGN=CENTER><FONT  SIZE=2><B>Sheldon G. Nussbaum, Esq.<BR>
 Manuel G. Rivera, Esq.<BR>
 Fulbright &amp; Jaworski L.L.P.<BR>
 666 Fifth Avenue<BR>
 New York, New York 10103<BR>
 Telephone: (212) 318-3000<BR>
 Facsimile: (212) 318-3400</B></FONT></P>
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<div ALIGN=JUSTIFY><FONT SIZE=2>Indicate
by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the
definitions of &#147;large accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller
reporting company&#148; in Rule 12b-2 of the Exchange Act.</FONT></div>

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 </TD>
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 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Large accelerated
 Filer&nbsp;<FONT FACE=WINGDINGS>o</FONT></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Accelerated filer&nbsp;<FONT  FACE=WINGDINGS>x</FONT></FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Non-accelerated Filer
 &nbsp;<FONT FACE=WINGDINGS>o</FONT> (Do not check if a smaller reporting company)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Smaller reporting company
 &nbsp;<FONT FACE=WINGDINGS>o</FONT></FONT></P>
 </TD>
 </TR>
</TABLE>

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 <TD COLSPAN=11 VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=2><B>CALCULATION OF REGISTRATION FEE</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:NONE'>
 <P ALIGN=CENTER><FONT SIZE=2><B>Title of securities<BR>
 to be registered</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=2 VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:NONE'>
 <P ALIGN=CENTER><FONT SIZE=2><B>Amount to<BR>
 be registered </B><B><SUP>(1)</SUP></B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:NONE'>
 <P ALIGN=CENTER><FONT SIZE=2><B>Proposed<BR>
 maximum offering<BR>
 price per share</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=2 VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:NONE'>
 <P ALIGN=CENTER><FONT SIZE=2><B>Proposed maximum<BR>
 aggregate offering<BR>
 price</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:NONE'>
 <P ALIGN=CENTER><FONT SIZE=2><B>Amount of<BR>
 registration fee</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:DOUBLE BLACK 3px;BORDER-LEFT:NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:NONE'>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE'>
 <P><FONT SIZE=2>Common stock, par value $.10
 per share </FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-RIGHT:  SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=RIGHT><FONT SIZE=2>1,650,000
 shares</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=2><SUP> (2)</SUP></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$19.54<SUP>(3)</SUP></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$32,241,000</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$3,695</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=2>(&#147;Common Stock&#148;)</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=RIGHT><FONT SIZE=2>250,000
 shares</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=2><SUP> (4)</SUP></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$10.83<SUP>(5)</SUP></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$&nbsp;&nbsp;2,707,500</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$&nbsp;&nbsp;311</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=2>Total </FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=RIGHT><FONT SIZE=2>1,900,000 shares</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=RIGHT><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=RIGHT><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$34,948,500</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER-TOP:NONE;BORDER-LEFT:  NONE;BORDER-BOTTOM:SOLID BLACK .5PT;BORDER-RIGHT:SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P ALIGN=CENTER><FONT SIZE=2>$4,006</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM STYLE='BORDER:NONE;BORDER-BOTTOM:  SOLID BLACK 1px'>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
</TABLE>











<BR>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="4%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="92%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(1)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Pursuant to Rule 416 under
 the Securities Act of 1933, as amended (the &#147;Securities Act&#148;), this
 Registration Statement on Form S-8 shall also cover an additional
 indeterminable number of shares of Common Stock which become issuable under
 the above-named Plans by reason of any future stock dividend, stock split,
 recapitalization or other similar transaction effected without the receipt of
 consideration which results in an increase in the number of outstanding
 shares of Common Stock.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(2)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
<P><FONT SIZE=2>Shares of Common Stock authorized for issuance pursuant to
awards made under the Zygo Corporation 2012 Equity Incentive Plan.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(3)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
<P><FONT SIZE=2>Computed in accordance with Rules 457 (c) and (h) under the
Securities Act. Such computation is based on the average of the high and the low
sales prices of the Registrant&#146;s Common Stock as reported on the NASDAQ Global
Select Market on March 9, 2012.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(4)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
<P><FONT SIZE=2>Shares of Common Stock issuable upon exercise of options granted
under the Stock Option Agreement, dated as of January 18, 2010, between the
registrant and Chris L. Koliopoulos.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(5)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
<P><FONT SIZE=2>Calculated in accordance with Rule 457(h)(1) under the
Securities Act, based upon $10.83, the exercise price of the stock
options.</FONT></P>
</TD>
 </TR>
</TABLE>

<BR>

<HR WIDTH="100%" SIZE="1" color=black noshade style="margin-top: -2px">
<HR WIDTH="100%" SIZE="4" color=black noshade style="margin-top: -10px">

<P ALIGN=LEFT STYLE='PAGE-BREAK-BEFORE: ALWAYS'></P><PAGE>
<P ALIGN=CENTER><FONT SIZE=2><B>EXPLANATORY NOTE</B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This
Registration Statement on Form S-8 is being filed for the following purposes:</FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.
To register a total of 1,650,000 shares of common stock, par value $.10 per
share (&#147;Common Stock&#148;), of Zygo Corporation (the &#147;Registrant&#148;), for future
issuance pursuant to awards under the Zygo Corporation 2012 Equity Incentive
Plan (the &#147;2012 Plan&#148;).</FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.
To register a total of 250,000 shares of Common Stock of the Registrant for
future issuance upon exercise of stock options granted pursuant to a stock
option agreement (the &#147;Stock Option Agreement&#148;), dated as of January 18, 2010,
between the Registrant and Chris L. Koliopoulos. </FONT></P>

<P ALIGN=CENTER><FONT SIZE=2><B>PART I</B></FONT></P>

<P ALIGN=CENTER><FONT SIZE=2><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;As
permitted by the rules of the Securities and Exchange Commission (the
&#147;Commission&#148;), this Registration Statement omits the information specified in
Part I of Form S-8. </FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
documents containing the information specified in Part I of this Registration
Statement have been or will be sent or given to participants in the 2012 Plan
and to Mr. Koliopoulos, in relation to the Stock Option Agreement, as specified
in Rule 428(b)(1) promulgated under the Securities Act of 1933, as amended (the
&#147;Securities Act&#148;).</FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Such
documents are not being filed with the Commission either as part of this
Registration Statement or as part of any prospectuses or prospectus supplements
filed pursuant to Rule 424 promulgated under the Securities Act. These
documents and the documents incorporated by reference into this Registration
Statement pursuant to Item 3 of Part II of this form, taken together,
constitute a prospectus that meets the requirements of Section 10(a) of the
Securities Act.</FONT></P>

<P ALIGN=CENTER><FONT SIZE=2><B>PART II</B></FONT></P>

<P ALIGN=CENTER><FONT SIZE=2><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B></FONT></P>



<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="12%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Item 3.</B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Incorporation of Documents by Reference.</B></FONT></P>
 </TD>
 </TR>
</TABLE>






<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents and
information filed with the Commission by the Registrant are incorporated herein
by reference:</FONT></P>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="8%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="4%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>&#149;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>the Registrant&#146;s Annual
 Report on Form 10-K for the fiscal year ended June 30, 2011;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>&#149;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>the Registrant&#146;s Quarterly
 Reports on Form 10-Q for the quarters ended September 30, 2011 and December
 31, 2011;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>&#149;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>the Registrant&#146;s Current
 Report on Form 8-K filed with the Commission on November 17, 2011 and the
 amendment thereto on Form 8-K/A filed with the Commission on November 21,
 2011; and</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>&#149;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>the description of the
 Registrant&#146;s Common Stock contained in the Registrant&#146;s Form 8-K filed with
 the Commission on March 16, 2012.</FONT></P>
 </TD>
 </TR>
</TABLE>

<BR>

<HR NOSHADE ALIGN=CENTER WIDTH="100%" SIZE=4><P ALIGN=LEFT STYLE='PAGE-BREAK-BEFORE: ALWAYS'></P><PAGE>
<P><FONT SIZE=2>All documents subsequently
filed by the Registrant with the Commission pursuant to Sections 13(a), 13(c),
14 and 15(d) of the Securities Exchange Act of 1934, as amended, prior to the
filing of a post-effective amendment indicating that all of the securities
offered hereunder have been sold or deregistering all securities then remaining
unsold, shall be deemed to be incorporated by reference herein and to be part
hereof from the date of filing of such documents. Any statement contained in a
document incorporated by reference herein shall be deemed to be modified or
superseded for purposes hereof to the extent that a statement contained herein
or in any subsequently filed document that is also incorporated by reference
herein modifies or supersedes such statement. Any statement so modified or
superseded shall not be deemed, except as so modified or superseded, to
constitute a part of this Registration Statement.</FONT></P>





<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="12%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Item 4.</B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Description of Securities.</B></FONT></P>
 </TD>
 </TR>
</TABLE>




<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not
applicable. </FONT></P>





<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="12%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Item 5.</B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Interests of Named Experts and Counsel.</B></FONT></P>
 </TD>
 </TR>
</TABLE>





<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not
applicable.</FONT></P>






<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="12%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Item 6.</B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Indemnification of Directors and Officers. </B></FONT></P>
 </TD>
 </TR>
</TABLE>







<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section
145 of the General Corporation Law of the State of Delaware permits
indemnification of directors, officers, and employees of a corporation under
certain conditions and subject to certain limitations. The Registrant&#146;s
certificate of incorporation, as amended to date, provides that it shall, to
the fullest extent permitted by Section 145, indemnify any and all persons whom
it shall have power to indemnify under said Section. Article 4 of the Registrant&#146;s
by-laws also contains provisions for the indemnification of directors,
officers, and employees in accordance with applicable law.</FONT></P>




<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="12%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Item 7. </B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Exemption fron Registration Claimed.</B></FONT></P>
 </TD>
 </TR>
</TABLE>







<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not
applicable.</FONT></P>



<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="12%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Item 8. </B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Exhibits.</B></FONT></P>
 </TD>
 </TR>
</TABLE>





<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
following exhibits are filed herewith as part of this Registration Statement.</FONT></P>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="8%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 <TD WIDTH="2%" VALIGN=BOTTOM>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="40%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 <TD WIDTH="10%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 <TD WIDTH="40%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=2><B>Exhibit<BR>
 No.</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=2><B>Description</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=BOTTOM>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
<TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>4.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Zygo Corporation 2012
 Equity Incentive Plan.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>4.2</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Stock Option Agreement,
 dated as of January 18, 2010, by and between the Registrant and Chris L.
 Koliopoulos (incorporated herein by reference to Registrant&#146;s Current Report
 on Form 8-K filed on January 22, 2010).</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>5.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Opinion of Fulbright &amp;
 Jaworski L.L.P.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>23.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Consent of Fulbright &amp;
 Jaworski L.L.P. (included in Exhibit 5.1).</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>23.2</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Consent of Deloitte &amp;
 Touche LLP, Independent Registered Public Accounting Firm.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>24.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Power of Attorney (on
 signature page).</FONT></P>
 </TD>
 </TR>
</TABLE>

<BR>

<HR NOSHADE ALIGN=CENTER WIDTH="100%" SIZE=4><P ALIGN=LEFT STYLE='PAGE-BREAK-BEFORE: ALWAYS'></P><PAGE>

<BR>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="12%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Item 9. </B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2><B>Undertakings.</B></FONT></P>
 </TD>
 </TR>
</TABLE>


<BR>



<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="4%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="4%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="92%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>(a)&nbsp;&nbsp;&nbsp;&nbsp;The undersigned
 registrant hereby undertakes:</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(1)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>To file, during any period
 in which offers or sales are being made, a post-effective amendment to this
 registration statement:</FONT></P>
 </TD>
 </TR>
</TABLE>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)
to include any prospectus required by Section 10(a)(3) of the Securities Act of
1933;</FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)
to reflect in the prospectus any facts or events arising after the effective
date of the registration statement (or the most recent post-effective amendment
thereof) which, individually or in the aggregate, represent a fundamental
change in the information set forth in the registration statement.
Notwithstanding the foregoing, any increase or decrease in volume of securities
offered (if the total dollar value of securities offered would not exceed that
which was registered) and any deviation from the low or high end of the estimated
maximum offering range may be reflected in the form of prospectus filed with
the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in
volume and price represent no more than 20 percent change in the maximum
aggregate offering price set forth in the &#147;Calculation of Registration Fee&#148;
table in the effective registration statement;</FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)
to include any material information with respect to the plan of distribution
not previously disclosed in the registration statement or any material change
to such information in the registration statement;</FONT></P>

<P><FONT SIZE=2><I>provided, however</I>, that paragraphs (a)(1)(i) and (a)(1)(ii) of
this section do not apply if the information required to be included in a
post-effective amendment by those paragraphs is contained in reports filed with
or furnished to the Commission by the registrant pursuant to section 13 or
section 15(d) of the Securities Exchange Act of 1934 that are incorporated by
reference in the registration statement.</FONT></P>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="3%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="3%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="3%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(2)</FONT></P>
 </TD>
 <TD COLSPAN=2 VALIGN=TOP>
 <P><FONT SIZE=2>That, for the purpose of
 determining any liability under the Securities Act of 1933, each such
 post-effective amendment shall be deemed to be a new registration statement
 relating to the securities offered therein, and the offering of such
 securities at that time shall be deemed to be the initial bona fide offering
 thereof.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(3)</FONT></P>
 </TD>
 <TD COLSPAN=2 VALIGN=TOP>
 <P><FONT SIZE=2>To remove from
 registration by means of a post-effective amendment any of the securities
 being registered which remain unsold at the termination of the offering.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(4)</FONT></P>
 </TD>
 <TD COLSPAN=2 VALIGN=TOP>
 <P><FONT SIZE=2>That, for the purpose of
 determining liability under the Securities Act of 1933 to any purchaser:</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>If the registrant is
 subject to Rule 430C, each prospectus filed pursuant to Rule 424(b) as part
 of a registration statement relating to an offering, other than registration
 statements relying on Rule 430B or other than prospectuses filed in reliance
 on Rule 430A, shall be deemed to be part of and included in the registration
 statement as of the date it is first used after effectiveness. Provided,
 however, that no statement made in a registration statement or prospectus
 that is part of the registration statement or made in a document incorporated
 or deemed incorporated </FONT></P>
 </TD>
 </TR>
</TABLE>



<BR>
<HR NOSHADE ALIGN=CENTER WIDTH="100%" SIZE=4><P ALIGN=LEFT STYLE='PAGE-BREAK-BEFORE: ALWAYS'></P><PAGE>


<BR>


<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="3%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="3%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="3%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="88%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>

 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2> by reference into the registration statement or
 prospectus that is part of the registration statement will, as to a purchaser
 with a time of contract of sale prior to such first use, supersede or modify
 any statement that was made in the registration statement or prospectus that
 was part of the registration statement or made in any such document immediately
 prior to such date of first use.</FONT></P>
 </TD>
 </TR>
</TABLE>




<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)
The undersigned registrant hereby undertakes that, for purposes of determining
any liability under the Securities Act of 1933, each filing of the registrant&#146;s
annual report pursuant to Section 13(a) or 15(d) of the Securities Exchange Act
of 1934 (and, where applicable, each filing of an employee benefit plan&#146;s
annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934)
that is incorporated by reference in the registration statement shall be deemed
to be a new registration statement relating to the securities offered therein,
and the offering of such securities at that time shall be deemed to be the
initial bona fide offering thereof.</FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)
Insofar as indemnification for liabilities arising under the Securities Act of
1933 may be permitted to directors, officers and controlling persons of the
registrant pursuant to the foregoing provisions, or otherwise, the registrant
has been advised that in the opinion of the Securities and Exchange Commission
such indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the registrant and expenses
incurred or paid by a director, officer or controlling person of the registrant
in the successful defense of any action, suit or proceeding) is asserted by
such director, officer or controlling person in connection with the securities
being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question of whether such indemnification by it is
against public policy as expressed in the Act and will be governed by the final
adjudication of such issue.</FONT></P>



<HR NOSHADE ALIGN=CENTER WIDTH="100%" SIZE=4><P ALIGN=LEFT STYLE='PAGE-BREAK-BEFORE: ALWAYS'></P><PAGE>



<P ALIGN=CENTER><FONT SIZE=2><B>SIGNATURES</B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to the requirements of the Securities Act of 1933, the Registrant certifies
that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form&nbsp;S-8 and has duly caused this Registration Statement to
be signed on its behalf by the undersigned, thereunto duly authorized, in the
Town of Middlefield, Connecticut, on March 16, 2012.</FONT></P>



<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="52%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="3%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="44%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>




 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP colspan=2>
 <P><FONT SIZE=2><B>ZYGO CORPORATION</B></FONT></P>
 </TD>

 </TR>








 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP colspan=2>
 <P><FONT SIZE=2>&nbsp;</FONT></P>
 </TD>

 </TR>


 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>By: </FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/S/ CHRIS L. KOLIOPOULOS</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Chris L. Koliopoulos</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Chairman, President and
 Chief Executive Officer</FONT></P>
 </TD>
 </TR>
</TABLE>

<BR>

<HR NOSHADE ALIGN=CENTER WIDTH="100%" SIZE=4><P ALIGN=LEFT STYLE='PAGE-BREAK-BEFORE: ALWAYS'></P><PAGE>
<P align=center><FONT SIZE=2><B>POWER OF ATTORNEY</B></FONT></P>














<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW
ALL MEN BY THESE PRESENTS, that each person whose signature appears below
constitutes and appoints CHRIS L. KOLIOPOULOS and JOHN P. JORDAN, and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for him and his name, place and stead, and in
any and all capacities, to sign any and all amendments to this Registration
Statement (including post-effective amendments), and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting to said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and
every act and thing requisite and necessary to be done, as fully to all intents
and purposes as he might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents, or either of them, or their or his
substitute or substitutes, may lawfully do or cause to be done by virtue thereof.</FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement
has been signed by the following persons in the capacities and on the dates
indicated.</FONT></P>




<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="22%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="8%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="42%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="4%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="22%" VALIGN=TOP>
 <P>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2><B>Signature</B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2><B>Title</B></FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2><B>Date</B></FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 </TR>




 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP colspan=2>
 <P><FONT SIZE=2>&nbsp;</FONT></P>
 </TD>

 </TR>

 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ Chris L. Koliopoulos</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Chairman, President and
 Chief Executive Officer</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>(Principal Executive
 Officer)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Chris L. Koliopoulos</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ John P. Jordan</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Vice President, Chief
 Financial Officer and</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Treasurer (Principal
 Financial and Accounting</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>John P. Jordan</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Officer)</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ Stephen D. Fantone</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Director</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Stephen D. Fantone</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ Samuel H. Fuller</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Director</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Samuel H. Fuller</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ Seymour E. Liebman</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Director</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Seymour E. Liebman</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ Robert B. Taylor</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Director</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Robert B. Taylor</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ Carol P. Wallace</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Director</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Carol P. Wallace</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
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 </TD>
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 </TD>
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 </TD>
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 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>/s/ Gary K. Willis</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Director</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=2>March
 16, 2012</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
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 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
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 </TD>
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 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>Gary K. Willis</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
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 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
</TABLE>

<BR>


<HR NOSHADE ALIGN=CENTER WIDTH="100%" SIZE=4><P ALIGN=LEFT STYLE='PAGE-BREAK-BEFORE: ALWAYS'></P><PAGE>
<P ALIGN=CENTER><FONT SIZE=2><B>INDEX TO EXHIBITS</B></FONT></P>

<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH="100%">
 <TR STYLE="FONT-SIZE:1PX">
 <TD WIDTH="8%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 <TD WIDTH="2%" VALIGN=BOTTOM>
 <P>&nbsp;</P>
 </TD>
 <TD WIDTH="40%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 <TD WIDTH="10%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 <TD WIDTH="40%" VALIGN=BOTTOM>
 <P ALIGN=CENTER>&nbsp;</P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=2><B>Exhibit<BR>
 No.</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=2><B>Description</B></FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=BOTTOM>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=BOTTOM>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
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 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=BOTTOM>

 <HR SIZE=1 WIDTH="100%" NOSHADE COLOR=BLACK ALIGN=CENTER>

 </TD>
 <TD VALIGN=BOTTOM>
 <P ALIGN=CENTER><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
<TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>4.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Zygo Corporation 2012
 Equity Incentive Plan.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>4.2</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Stock Option Agreement,
 dated as of January 18, 2010, by and between the Registrant and Chris L.
 Koliopoulos (incorporated herein by reference to Registrant&#146;s Current Report
 on Form 8-K filed on January 22, 2010).</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>5.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Opinion of Fulbright &amp;
 Jaworski L.L.P.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>23.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Consent of Fulbright &amp;
 Jaworski L.L.P. (included in Exhibit 5.1).</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>23.2</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Consent of Deloitte &amp; Touche LLP, Registered
 Independent Public Accounting Firm.</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 </TR>
 <TR>
 <TD VALIGN=TOP>
 <P><FONT SIZE=2>24.1</FONT></P>
 </TD>
 <TD VALIGN=TOP>
 <P><FONT SIZE=1>&nbsp;</FONT></P>
 </TD>
 <TD COLSPAN=3 VALIGN=TOP>
 <P><FONT SIZE=2>Power of Attorney (on
 signature page).</FONT></P>
 </TD>
 </TR>
</TABLE>


<BR>

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As filed with the Securities and Exchange
 Commission on March 16, 2012
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington,
D.C. 20549
FORM S-8
REGISTRATION
 STATEMENT UNDER THE SECURITIES ACT OF 1933
ZYGO CORPORATION
(Exact
 name of registrant as specified in its charter)
Delaware
06-0864500
(State
 or other jurisdiction of
(I.R.S.
 Employer
incorporation
 or organization)
Identification
 No.)
Laurel Brook Road
Middlefield, Connecticut
06455-0448
(Address
 of Principal Executive Offices)
(Zip
 Code)
Zygo Corporation 2012 Equity Incentive Plan
Stock Option Agreement between Zygo Corporation and Chris L. Koliopoulos
(Full
 title of the plans)
John A. Tomich, Esq.
Vice President, General Counsel &
 Secretary
Zygo Corporation
Laurel Brook Road
Middlefield, Connecticut 06455-1291
(Name
 and address of agent for service)
(860) 347-8506
(Telephone
 number, including area code, of agent for service)
Copy to:
Sheldon G. Nussbaum, Esq.
Manuel G. Rivera, Esq.
Fulbright & Jaworski L.L.P.
666 Fifth Avenue
New York, New York 10103
Telephone: (212) 318-3000
Facsimile: (212) 318-3400
Indicate
by check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the
definitions of "large accelerated filer," "accelerated filer" and "smaller
reporting company" in Rule 12b-2 of the Exchange Act.
Large accelerated
 Filer
o
Accelerated filer
x
Non-accelerated Filer
o
(Do not check if a smaller reporting company)
Smaller reporting company
o
CALCULATION OF REGISTRATION FEE
Title of securities
to be registered
Amount to
be registered
(1)
Proposed
maximum offering
price per share
Proposed maximum
aggregate offering
price
Amount of
registration fee
Common stock, par value $.10
 per share
1,650,000
 shares
(2)
$19.54
(3)
$32,241,000
$3,695
("Common Stock")
250,000
 shares
(4)
$10.83
(5)
$  2,707,500
$  311
Total
1,900,000 shares
$34,948,500
$4,006
(1)
Pursuant to Rule 416 under
 the Securities Act of 1933, as amended (the "Securities Act"), this
 Registration Statement on Form S-8 shall also cover an additional
 indeterminable number of shares of Common Stock which become issuable under
 the above-named Plans by reason of any future stock dividend, stock split,
 recapitalization or other similar transaction effected without the receipt of
 consideration which results in an increase in the number of outstanding
 shares of Common Stock.
(2)
Shares of Common Stock authorized for issuance pursuant to
awards made under the Zygo Corporation 2012 Equity Incentive Plan.
(3)
Computed in accordance with Rules 457 (c) and (h) under the
Securities Act. Such computation is based on the average of the high and the low
sales prices of the Registrant's Common Stock as reported on the NASDAQ Global
Select Market on March 9, 2012.
(4)
Shares of Common Stock issuable upon exercise of options granted
under the Stock Option Agreement, dated as of January 18, 2010, between the
registrant and Chris L. Koliopoulos.
(5)
Calculated in accordance with Rule 457(h)(1) under the
Securities Act, based upon $10.83, the exercise price of the stock
options.
EXPLANATORY NOTE
This
Registration Statement on Form S-8 is being filed for the following purposes:
1.
To register a total of 1,650,000 shares of common stock, par value $.10 per
share ("Common Stock"), of Zygo Corporation (the "Registrant"), for future
issuance pursuant to awards under the Zygo Corporation 2012 Equity Incentive
Plan (the "2012 Plan").
2.
To register a total of 250,000 shares of Common Stock of the Registrant for
future issuance upon exercise of stock options granted pursuant to a stock
option agreement (the "Stock Option Agreement"), dated as of January 18, 2010,
between the Registrant and Chris L. Koliopoulos.
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
As
permitted by the rules of the Securities and Exchange Commission (the
"Commission"), this Registration Statement omits the information specified in
Part I of Form S-8.
The
documents containing the information specified in Part I of this Registration
Statement have been or will be sent or given to participants in the 2012 Plan
and to Mr. Koliopoulos, in relation to the Stock Option Agreement, as specified
in Rule 428(b)(1) promulgated under the Securities Act of 1933, as amended (the
"Securities Act").
Such
documents are not being filed with the Commission either as part of this
Registration Statement or as part of any prospectuses or prospectus supplements
filed pursuant to Rule 424 promulgated under the Securities Act. These
documents and the documents incorporated by reference into this Registration
Statement pursuant to Item 3 of Part II of this form, taken together,
constitute a prospectus that meets the requirements of Section 10(a) of the
Securities Act.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3.
Incorporation of Documents by Reference.
The following documents and
information filed with the Commission by the Registrant are incorporated herein
by reference:
•
the Registrant's Annual
 Report on Form 10-K for the fiscal year ended June 30, 2011;
•
the Registrant's Quarterly
 Reports on Form 10-Q for the quarters ended September 30, 2011 and December
 31, 2011;
•
the Registrant's Current
 Report on Form 8-K filed with the Commission on November 17, 2011 and the
 amendment thereto on Form 8-K/A filed with the Commission on November 21,
 2011; and
•
the description of the
 Registrant's Common Stock contained in the Registrant's Form 8-K filed with
 the Commission on March 16, 2012.
All documents subsequently
filed by the Registrant with the Commission pursuant to Sections 13(a), 13(c),
14 and 15(d) of the Securities Exchange Act of 1934, as amended, prior to the
filing of a post-effective amendment indicating that all of the securities
offered hereunder have been sold or deregistering all securities then remaining
unsold, shall be deemed to be incorporated by reference herein and to be part
hereof from the date of filing of such documents. Any statement contained in a
document incorporated by reference herein shall be deemed to be modified or
superseded for purposes hereof to the extent that a statement contained herein
or in any subsequently filed document that is also incorporated by reference
herein modifies or supersedes such statement. Any statement so modified or
superseded shall not be deemed, except as so modified or superseded, to
constitute a part of this Registration Statement.
Item 4.
Description of Securities.
Not
applicable.
Item 5.
Interests of Named Experts and Counsel.
Not
applicable.
Item 6.
Indemnification of Directors and Officers.
Section
145 of the General Corporation Law of the State of Delaware permits
indemnification of directors, officers, and employees of a corporation under
certain conditions and subject to certain limitations. The Registrant's
certificate of incorporation, as amended to date, provides that it shall, to
the fullest extent permitted by Section 145, indemnify any and all persons whom
it shall have power to indemnify under said Section. Article 4 of the Registrant's
by-laws also contains provisions for the indemnification of directors,
officers, and employees in accordance with applicable law.
Item 7.
Exemption fron Registration Claimed.
Not
applicable.
Item 8.
Exhibits.
The
following exhibits are filed herewith as part of this Registration Statement.
Exhibit
No.
Description
4.1
Zygo Corporation 2012
 Equity Incentive Plan.
4.2
Stock Option Agreement,
 dated as of January 18, 2010, by and between the Registrant and Chris L.
 Koliopoulos (incorporated herein by reference to Registrant's Current Report
 on Form 8-K filed on January 22, 2010).
5.1
Opinion of Fulbright &
 Jaworski L.L.P.
23.1
Consent of Fulbright &
 Jaworski L.L.P. (included in Exhibit 5.1).
23.2
Consent of Deloitte &
 Touche LLP, Independent Registered Public Accounting Firm.
24.1
Power of Attorney (on
 signature page).
Item 9.
Undertakings.
(a)    The undersigned
 registrant hereby undertakes:
(1)
To file, during any period
 in which offers or sales are being made, a post-effective amendment to this
 registration statement:
(i)
to include any prospectus required by Section 10(a)(3) of the Securities Act of
1933;
(ii)
to reflect in the prospectus any facts or events arising after the effective
date of the registration statement (or the most recent post-effective amendment
thereof) which, individually or in the aggregate, represent a fundamental
change in the information set forth in the registration statement.
Notwithstanding the foregoing, any increase or decrease in volume of securities
offered (if the total dollar value of securities offered would not exceed that
which was registered) and any deviation from the low or high end of the estimated
maximum offering range may be reflected in the form of prospectus filed with
the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in
volume and price represent no more than 20 percent change in the maximum
aggregate offering price set forth in the "Calculation of Registration Fee"
table in the effective registration statement;
(iii)
to include any material information with respect to the plan of distribution
not previously disclosed in the registration statement or any material change
to such information in the registration statement;
provided, however
, that paragraphs (a)(1)(i) and (a)(1)(ii) of
this section do not apply if the information required to be included in a
post-effective amendment by those paragraphs is contained in reports filed with
or furnished to the Commission by the registrant pursuant to section 13 or
section 15(d) of the Securities Exchange Act of 1934 that are incorporated by
reference in the registration statement.
(2)
That, for the purpose of
 determining any liability under the Securities Act of 1933, each such
 post-effective amendment shall be deemed to be a new registration statement
 relating to the securities offered therein, and the offering of such
 securities at that time shall be deemed to be the initial bona fide offering
 thereof.
(3)
To remove from
 registration by means of a post-effective amendment any of the securities
 being registered which remain unsold at the termination of the offering.
(4)
That, for the purpose of
 determining liability under the Securities Act of 1933 to any purchaser:
If the registrant is
 subject to Rule 430C, each prospectus filed pursuant to Rule 424(b) as part
 of a registration statement relating to an offering, other than registration
 statements relying on Rule 430B or other than prospectuses filed in reliance
 on Rule 430A, shall be deemed to be part of and included in the registration
 statement as of the date it is first used after effectiveness. Provided,
 however, that no statement made in a registration statement or prospectus
 that is part of the registration statement or made in a document incorporated
 or deemed incorporated
by reference into the registration statement or
 prospectus that is part of the registration statement will, as to a purchaser
 with a time of contract of sale prior to such first use, supersede or modify
 any statement that was made in the registration statement or prospectus that
 was part of the registration statement or made in any such document immediately
 prior to such date of first use.
(b)
The undersigned registrant hereby undertakes that, for purposes of determining
any liability under the Securities Act of 1933, each filing of the registrant's
annual report pursuant to Section 13(a) or 15(d) of the Securities Exchange Act
of 1934 (and, where applicable, each filing of an employee benefit plan's
annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934)
that is incorporated by reference in the registration statement shall be deemed
to be a new registration statement relating to the securities offered therein,
and the offering of such securities at that time shall be deemed to be the
initial bona fide offering thereof.
(c)
Insofar as indemnification for liabilities arising under the Securities Act of
1933 may be permitted to directors, officers and controlling persons of the
registrant pursuant to the foregoing provisions, or otherwise, the registrant
has been advised that in the opinion of the Securities and Exchange Commission
such indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the registrant and expenses
incurred or paid by a director, officer or controlling person of the registrant
in the successful defense of any action, suit or proceeding) is asserted by
such director, officer or controlling person in connection with the securities
being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question of whether such indemnification by it is
against public policy as expressed in the Act and will be governed by the final
adjudication of such issue.
SIGNATURES
Pursuant
to the requirements of the Securities Act of 1933, the Registrant certifies
that it has reasonable grounds to believe that it meets all of the requirements
for filing on Form S-8 and has duly caused this Registration Statement to
be signed on its behalf by the undersigned, thereunto duly authorized, in the
Town of Middlefield, Connecticut, on March 16, 2012.
ZYGO CORPORATION
By:
/S/ CHRIS L. KOLIOPOULOS
Chris L. Koliopoulos
Chairman, President and
 Chief Executive Officer
POWER OF ATTORNEY
KNOW
ALL MEN BY THESE PRESENTS, that each person whose signature appears below
constitutes and appoints CHRIS L. KOLIOPOULOS and JOHN P. JORDAN, and each of
them, his true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for him and his name, place and stead, and in
any and all capacities, to sign any and all amendments to this Registration
Statement (including post-effective amendments), and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting to said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and
every act and thing requisite and necessary to be done, as fully to all intents
and purposes as he might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents, or either of them, or their or his
substitute or substitutes, may lawfully do or cause to be done by virtue thereof.
Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement
has been signed by the following persons in the capacities and on the dates
indicated.
Signature
Title
Date
/s/ Chris L. Koliopoulos
Chairman, President and
 Chief Executive Officer
March
 16, 2012
(Principal Executive
 Officer)
Chris L. Koliopoulos
/s/ John P. Jordan
Vice President, Chief
 Financial Officer and
March
 16, 2012
Treasurer (Principal
 Financial and Accounting
John P. Jordan
Officer)
/s/ Stephen D. Fantone
Director
March
 16, 2012
Stephen D. Fantone
/s/ Samuel H. Fuller
Director
March
 16, 2012
Samuel H. Fuller
/s/ Seymour E. Liebman
Director
March
 16, 2012
Seymour E. Liebman
/s/ Robert B. Taylor
Director
March
 16, 2012
Robert B. Taylor
/s/ Carol P. Wallace
Director
March
 16, 2012
Carol P. Wallace
/s/ Gary K. Willis
Director
March
 16, 2012
Gary K. Willis
INDEX TO EXHIBITS
Exhibit
No.
Description
4.1
Zygo Corporation 2012
 Equity Incentive Plan.
4.2
Stock Option Agreement,
 dated as of January 18, 2010, by and between the Registrant and Chris L.
 Koliopoulos (incorporated herein by reference to Registrant's Current Report
 on Form 8-K filed on January 22, 2010).
5.1
Opinion of Fulbright &
 Jaworski L.L.P.
23.1
Consent of Fulbright &
 Jaworski L.L.P. (included in Exhibit 5.1).
23.2
Consent of Deloitte & Touche LLP, Registered
 Independent Public Accounting Firm.
24.1
Power of Attorney (on
 signature page).