UNITED STATES
                       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)

Date of Report (Date of earliest event reported) January 27, 2004
                                                 ----------------
                                ZYGO CORPORATION
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             (Exact Name of Registrant as Specified in its Charter)

           Delaware                      0-12944                  06-0964500
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(State or Other Jurisdiction           (Commission              (IRS Employer
      of Incorporation                 File Number)          Identification No.)

Laurel Brook Road, Middlefield, CT                                06455-0448
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(Address of Principal Executive Offices)                          (Zip Code)

Registrant's telephone number, including area code: (860) 347-8506
                                                    --------------
                                 Not Applicable
          -------------------------------------------------------------
          (Former Name or Former Address, if Changed Since Last Report)






ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS.

(c) Exhibits

     99.1 Zygo Corporation Earnings Press Release, dated January 27, 2004.

ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On January 27, 2004, Zygo Corporation announced its financial results for the
second quarter and six months ended December 26, 2003. The full text of the
press release issued in connection with the announcement is attached as Exhibit
99.1 to this Current Report on Form 8-K.






                                   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.

                                ZYGO CORPORATION


Date: January 27, 2004                     By: /s/ J. Bruce Robinson
                                               ---------------------------------
                                               Name: J. Bruce Robinson
                                               Title: Chairman, President and
                                                      Chief Executive Officer






                                  EXHIBIT INDEX

99.1 Press Release, dated January 27, 2004, issued by Zygo Corporation
     announcing its financial results for the second quarter and six months
     ended December 26, 2003.