content: <PAGE>
  
                       SECURITIES AND EXCHANGE COMMISSION
  
                             Washington, D.C.  20549
  
  
                                    FORM 8-K
  
                                 CURRENT REPORT
  
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  
                                February 15, 2000
                                 Date of Report
                        (Date of earliest event reported)
  
                            NANOMETRICS INCORPORATED
             (Exact name of registrant as specified in its charter)
  
                                   CALIFORNIA
                 (State or other jurisdiction of incorporation)
  
  
                  0-13470                              94-2276314
           (Commission File No.)          (IRS Employer Identification Number)
  
  
                               310 DeGuigne Drive
                          Sunnyvale, California  94086
                    (Address of Principal Executive Offices)
  
                                 (408) 746-1600
              (Registrant's Telephone Number, Including Area Code)
  <PAGE>
  
  Item 5.     Other Events
  -------     -------------
  
       Results for Quarter Ended December 31, 1999
  
       On February 15, 2000, Nanometrics Incorporated announced unaudited
  financial results for its fourth fiscal quarter ended December 31, 1999 and for
  its fiscal year ended December 31, 1999.  Unaudited summary balance sheet
  information and summary revenue and income results are as follows:
  
         [The remainder of this page has been intentionally left blank]
  
                                        2
  <PAGE>
                              NANOMETRICS INCORPORATED
                            CONSOLIDATED BALANCE SHEETS
                    (Amounts in thousands except share amounts)
  
  <TABLE>
  <CAPTION>
                                                             December 31,    December 31,
  ASSETS                                                         1999           1998
                                                             ------------    ------------
  <S>                                                        <C>             <C>
  CURRENT ASSETS:
   Cash and cash equivalents                                      $ 3,442       $ 1,518
   Short-term investments                                          14,698         9,913
   Accounts receivable, net of allowances of $425 and $420         11,435         8,458
   Inventories                                                      9,460        11,719
   Deferred income taxes                                            1,722         1,441
   Prepaid expenses and other                                       1,196         2,328
                                                                  -------       -------
            Total current assets                                   41,953        35,377
  PROPERTY, PLANT AND EQUIPMENT, NET                                2,998         2,481
  DEFERRED INCOME TAXES                                               135           560
  OTHER ASSETS                                                      1,324           887
                                                                  -------       -------
       TOTAL                                                      $46,410       $39,305
                                                                  =======       =======
  
  LIABILITIES AND SHAREHOLDERS' EQUITY
  CURRENT LIABILITIES:
   Accounts payable                                               $ 2,412       $ 1,395
   Accrued payroll and related expenses                               751           317
   Other current liabilities                                        1,721         1,720
   Income taxes payable                                               464             -
   Current portion of debt obligations                                584         1,324
                                                                  -------       -------
            Total current liabilities                               5,932         4,756
  DEFERRED RENT                                                        35            43
  DEBT OBLIGATIONS                                                  2,288         2,496
                                                                  -------       -------
            Total liabilities                                       8,255         7,295
                                                                  -------       -------
  SHAREHOLDERS' EQUITY:
   Common stock, no par value; 25,000,000 shares
    authorized; 9,163,998 and 8,690,643 outstanding                17,277        14,170
   Retained earnings                                               20,608        17,974
   Accumulated other comprehensive income (loss)                      270          (134)
                                                                  -------       -------
            Total shareholders' equity                             38,155        32,010
                                                                  -------       -------
       TOTAL                                                      $46,410       $39,305
                                                                  =======       =======
  </TABLE>
  
                                        3
  <PAGE>
                              NANOMETRICS INCORPORATED
                         CONSOLIDATED STATEMENTS OF INCOME
                  (Amounts in thousands, except per share amounts)
  
  <TABLE>
  <CAPTION>
                                          Three Months Ended        Year Ended
                                             December 31,          December 31,
                                             (Unaudited)
                                           1999        1998       1999       1998
                                        ----------   --------   --------   --------
  <S>                                   <C>          <C>        <C>        <C>
  NET REVENUES:
    Product sales                         $11,712    $ 4,146    $32,162    $29,718
    Service                                 1,163        847      4,246      3,546
                                          -------    -------    -------    -------
    Total net revenues                     12,875      4,993     36,408     33,264
                                          -------    -------    -------    -------
  
  COSTS AND EXPENSES:
    Cost of product sales                   5,094      2,531     14,606     13,002
    Cost of service                         1,263        882      4,560      3,669
    Research and development                1,449      1,026      4,658      4,206
    Acquired in-process research and
      development                               -          -          -      1,421
    Selling                                 1,766      1,261      5,871      5,728
    General and administrative                878        735      2,973      2,828
                                          -------    -------    -------    -------
     Total costs and expenses              10,450      6,435     32,668     30,854
                                          -------    -------    -------    -------
  
  INCOME (LOSS) FROM
    OPERATIONS                              2,425     (1,442)     3,740      2,410
  
  OTHER INCOME (EXPENSE)
  Interest income                             178        109        661        572
  Interest expense                            (22)       (39)       (85)      (108)
  Other, net                                   26        170          0         64
                                          -------    -------    -------    -------
     Total other income, net                  182        240        576        528
                                          -------    -------    -------    -------
  
  INCOME  (LOSS) BEFORE
   PROVISION FOR INCOME TAXES               2,607     (1,202)     4,316      2,938
  
  PROVISION FOR INCOME TAXES                  976       (519)     1,682      1,108
                                          -------    -------    -------    -------
  
  NET INCOME (LOSS)                       $ 1,631    $  (683)   $ 2,634    $ 1,830
                                          =======    =======    =======    =======
  
  NET INCOME (LOSS) PER SHARE:
     Basic                                   $.18      $(.08)      $.30       $.21
                                          =======    =======    =======    =======
     Diluted                                 $.17      $(.08)      $.28       $.20
                                          =======    =======    =======    =======
  SHARES USED IN PER SHARE
  COMPUTATION:
     Basic                                  9,033      8,686      8,829      8,635
                                          =======    =======    =======    =======
     Diluted                                9,842      8,686      9,393      9,041
                                          =======    =======    =======    =======
  </TABLE>
  
                                         4
  <PAGE>
  
       These financial results are based on the quarter ended December 31, 1999
  and the year ended December 31, 1999 and are not necessarily indicative of
  future financial results.  Investors are encouraged to review Nanometrics' other
  filings with the Securities and Exchange Commission for a discussion of factors
  that could affect Nanometrics' future performance.
  
  Item 7.     Financial Statements and Exhibits
  -------     ---------------------------------
  
              (c)  Exhibits
  
                   27.1  Financial Data Schedule
  
                                         5
  <PAGE>
  
                                   SIGNATURES
  
  
            Pursuant to the requirements of the Securities Exchange Act of 1934,
  the Registrant has duly caused this report to be signed on its behalf by the
  undersigned hereunto duly authorized.
  
  
  Date:  February 15, 2000                NANOMETRICS INCORPORATED
  
                                          By: /s/ Paul B. Nolan
                                             ---------------------------------
                                             Paul B. Nolan
                                             Chief Financial Officer
  
                                        6
  <PAGE>
  
  EXHIBIT NO.                     DESCRIPTION
  -----------                     -----------
  27.1                            Financial Data Schedule
  
                                        7
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text: SECURITIES AND EXCHANGE COMMISSION
  
                             Washington, D.C.  20549
  
                                    FORM 8-K
  
                                 CURRENT REPORT
  
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  
                                February 15, 2000
                                 Date of Report
                        (Date of earliest event reported)
  
                            NANOMETRICS INCORPORATED
             (Exact name of registrant as specified in its charter)
  
                                   CALIFORNIA
                 (State or other jurisdiction of incorporation)
  
                  0-13470                              94-2276314
           (Commission File No.)          (IRS Employer Identification Number)
  
                               310 DeGuigne Drive
                          Sunnyvale, California  94086
                    (Address of Principal Executive Offices)
  
                                 (408) 746-1600
              (Registrant's Telephone Number, Including Area Code)
  Item 5.     Other Events
  -------     -------------
  
       Results for Quarter Ended December 31, 1999
  
       On February 15, 2000, Nanometrics Incorporated announced unaudited
  financial results for its fourth fiscal quarter ended December 31, 1999 and for
  its fiscal year ended December 31, 1999.  Unaudited summary balance sheet
  information and summary revenue and income results are as follows:
  
         [The remainder of this page has been intentionally left blank]
  
                                        2
  NANOMETRICS INCORPORATED
                            CONSOLIDATED BALANCE SHEETS
                    (Amounts in thousands except share amounts)
  December 31,    December 31,
  ASSETS                                                         1999           1998
                                                             ------------    ------------
  CURRENT ASSETS:
   Cash and cash equivalents                                      $ 3,442       $ 1,518
   Short-term investments                                          14,698         9,913
   Accounts receivable, net of allowances of $425 and $420         11,435         8,458
   Inventories                                                      9,460        11,719
   Deferred income taxes                                            1,722         1,441
   Prepaid expenses and other                                       1,196         2,328
                                                                  -------       -------
            Total current assets                                   41,953        35,377
  PROPERTY, PLANT AND EQUIPMENT, NET                                2,998         2,481
  DEFERRED INCOME TAXES                                               135           560
  OTHER ASSETS                                                      1,324           887
                                                                  -------       -------
       TOTAL                                                      $46,410       $39,305
                                                                  =======       =======
  
  LIABILITIES AND SHAREHOLDERS' EQUITY
  CURRENT LIABILITIES:
   Accounts payable                                               $ 2,412       $ 1,395
   Accrued payroll and related expenses                               751           317
   Other current liabilities                                        1,721         1,720
   Income taxes payable                                               464             -
   Current portion of debt obligations                                584         1,324
                                                                  -------       -------
            Total current liabilities                               5,932         4,756
  DEFERRED RENT                                                        35            43
  DEBT OBLIGATIONS                                                  2,288         2,496
                                                                  -------       -------
            Total liabilities                                       8,255         7,295
                                                                  -------       -------
  SHAREHOLDERS' EQUITY:
   Common stock, no par value; 25,000,000 shares
    authorized; 9,163,998 and 8,690,643 outstanding                17,277        14,170
   Retained earnings                                               20,608        17,974
   Accumulated other comprehensive income (loss)                      270          (134)
                                                                  -------       -------
            Total shareholders' equity                             38,155        32,010
                                                                  -------       -------
       TOTAL                                                      $46,410       $39,305
                                                                  =======       =======
  3
  NANOMETRICS INCORPORATED
                         CONSOLIDATED STATEMENTS OF INCOME
                  (Amounts in thousands, except per share amounts)
  Three Months Ended        Year Ended
                                             December 31,          December 31,
                                             (Unaudited)
                                           1999        1998       1999       1998
                                        ----------   --------   --------   --------
  NET REVENUES:
    Product sales                         $11,712    $ 4,146    $32,162    $29,718
    Service                                 1,163        847      4,246      3,546
                                          -------    -------    -------    -------
    Total net revenues                     12,875      4,993     36,408     33,264
                                          -------    -------    -------    -------
  
  COSTS AND EXPENSES:
    Cost of product sales                   5,094      2,531     14,606     13,002
    Cost of service                         1,263        882      4,560      3,669
    Research and development                1,449      1,026      4,658      4,206
    Acquired in-process research and
      development                               -          -          -      1,421
    Selling                                 1,766      1,261      5,871      5,728
    General and administrative                878        735      2,973      2,828
                                          -------    -------    -------    -------
     Total costs and expenses              10,450      6,435     32,668     30,854
                                          -------    -------    -------    -------
  
  INCOME (LOSS) FROM
    OPERATIONS                              2,425     (1,442)     3,740      2,410
  
  OTHER INCOME (EXPENSE)
  Interest income                             178        109        661        572
  Interest expense                            (22)       (39)       (85)      (108)
  Other, net                                   26        170          0         64
                                          -------    -------    -------    -------
     Total other income, net                  182        240        576        528
                                          -------    -------    -------    -------
  
  INCOME  (LOSS) BEFORE
   PROVISION FOR INCOME TAXES               2,607     (1,202)     4,316      2,938
  
  PROVISION FOR INCOME TAXES                  976       (519)     1,682      1,108
                                          -------    -------    -------    -------
  
  NET INCOME (LOSS)                       $ 1,631    $  (683)   $ 2,634    $ 1,830
                                          =======    =======    =======    =======
  
  NET INCOME (LOSS) PER SHARE:
     Basic                                   $.18      $(.08)      $.30       $.21
                                          =======    =======    =======    =======
     Diluted                                 $.17      $(.08)      $.28       $.20
                                          =======    =======    =======    =======
  SHARES USED IN PER SHARE
  COMPUTATION:
     Basic                                  9,033      8,686      8,829      8,635
                                          =======    =======    =======    =======
     Diluted                                9,842      8,686      9,393      9,041
                                          =======    =======    =======    =======
  4
  These financial results are based on the quarter ended December 31, 1999
  and the year ended December 31, 1999 and are not necessarily indicative of
  future financial results.  Investors are encouraged to review Nanometrics' other
  filings with the Securities and Exchange Commission for a discussion of factors
  that could affect Nanometrics' future performance.
  
  Item 7.     Financial Statements and Exhibits
  -------     ---------------------------------
  
              (c)  Exhibits
  
                   27.1  Financial Data Schedule
  
                                         5
  SIGNATURES
  
            Pursuant to the requirements of the Securities Exchange Act of 1934,
  the Registrant has duly caused this report to be signed on its behalf by the
  undersigned hereunto duly authorized.
  
  Date:  February 15, 2000                NANOMETRICS INCORPORATED
  
                                          By: /s/ Paul B. Nolan
                                             ---------------------------------
                                             Paul B. Nolan
                                             Chief Financial Officer
  
                                        6
  EXHIBIT NO.                     DESCRIPTION
  -----------                     -----------
  27.1                            Financial Data Schedule
  
                                        7