8-K

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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                       Securities and Exchange Commission

         Date of Report (Date of earliest event reported): May 11, 2000


                                HADCO CORPORATION
             (Exact name of Registrant as specified in its charter)



        MASSACHUSETTS                 0-12102                 04-2393279
(State or other jurisdiction        (Commission              (IRS Employer
      of Incorporation)            File Number)           Identification No.)

                     12A MANOR PARKWAY, SALEM, NEW HAMPSHIRE
                    (Address of principal executive offices)

                                      03079
                                   (Zip Code)

                                 (603) 898-8000
               Registrant's telephone number, including area code



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ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS

         On May 11, 2000 Hadco Corporation (the "Company") announced that it has
established the close of business on May 19, 2000 as the record date for the
determination of holders of the Company's common stock entitled to vote at the
special meeting of stockholders of the Company to be held on June 23, 2000 or at
any adjournments or postponements thereof. The principal purpose of the special
meeting is to consider and act upon a proposal to approve the agreement and plan
of merger among the Company, Sanmina Corporation and SANM Acquisition
Subsidiary, Inc. dated April 17, 2000, as amended, and the associated merger.

ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS

         (c)      Exhibits

         EXHIBIT NO.             DESCRIPTION

         2.1                     Press Release of Hadco Corporation dated May
                                 11, 2000.


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                                   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.

                                            HADCO CORPORATION


May 15, 2000                                By:  /s/ F. Gordon Bitter
                                                 -------------------------------
                                                 F. Gordon Bitter
                                                 Senior Vice President and Chief
                                                 Financial Officer


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                                  EXHIBIT INDEX

EXHIBIT NO.                                      EXHIBIT

2.1                       Press Release of Hadco Corporation dated May 11, 2000.

EX-2.1

   1
H

PRESS RELEASE
- --------------------------------------------------------------------------------
FOR IMMEDIATE RELEASE:

CONTACT:
Gordon Bitter
HADCO Corporation
12A Manor Parkway
Salem, NH 03079
603-896-2471
email: GBITTER@HADCO.COM

                   HADCO SETS RECORD DATE FOR SPECIAL MEETING

Salem, NH, May 11 - HADCO Corporation (NYSE:HDC) announced today that it has
established the close of business on May 19, 2000 as the record date for the
determination of holders of HADCO common stock entitled to vote at the special
meeting of stockholders to be held on June 23, 2000 or at any adjournments or
postponements thereof. The principal purpose of the special meeting is to
consider and act upon a proposal to approve the agreement and plan of merger
among Sanmina Corporation, SANM Acquisition Subsidiary, Inc. and HADCO
Corporation dated April 17, 2000, as amended, and the associated merger. The
affirmative vote of 66 and 2/3% of the outstanding shares of the Corporation
eligible to vote at the special meeting is required to approve the agreement and
plan of merger and the merger. Completion of the merger is subject to regulatory
approvals, the expiration of the waiting period under the Hart-Scott-Rodino
Antitrust Improvements Act of 1976 and other customary closing conditions.

HADCO is the largest manufacturer of advanced electronic interconnect products
in North America. The Company offers a wide array of sophisticated
manufacturing, engineering and systems integration services to meet its
customers' electronic interconnect needs. The Company's principal products are
complex multilayer rigid printed circuits and backplane and system assemblies.
HADCO provides customers with a range of products and services that includes
development, design, quick-turn prototype, pre-production, volume products and
backplane and system assemblies. Customers are a diverse group of original
equipment manufacturers and contract manufacturers in the computing (mainly
workstations, servers, mainframes, storage and notebooks), data communications/
telecommunications and industrial automation industries, including process
controls, automotive, medical and instrumentation. The Company operates ten
facilities in the United States and one facility in Malaysia.

HADCO Corporation's press releases are available through Company News On-Call by
fax at (800) 758-5804, PIN# 390325, or on the Internet at HTTP://WWW.HADCO.COM.

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