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, 2005
                                                 ------------------------------



                                ZYGO CORPORATION
          ------------------------------------------------------------
             (Exact Name of Registrant as Specified in its Charter)



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



Laurel Brook Road, Middlefield, CT                              06455-0448
- ----------------------------------------                        ----------
(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)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

     [ ]  Written communications pursuant to Rule 425 under the Securities Act

     [ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act

     [ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
          Exchange Act

     [ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
          Exchange Act








ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On January 27, 2005, Zygo Corporation announced its financial results for the
second quarter ended December 31, 2004. 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.


ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

(c) Exhibits

     99.1      Zygo Corporation Earnings Press Release, dated January 27, 2005.








                                   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, 2005                   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, 2005, issued by Zygo Corporation
         announcing its financial results for the second quarter ended
         December 31, 2004.