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                                                                     Exhibit 5.1


                                August 21, 2001



Amkor Technology, Inc.
1345 Enterprise Drive
West Chester, PA 19380

         RE: REGISTRATION STATEMENT OF FORM S-3

Ladies and Gentlemen:

         We are acting as counsel for Amkor Technology, Inc., a Delaware
corporation (the "Company") in connection with the registration under the
Securities Act of 1933, as amended, of $250,000,000 aggregate principal amount
of 5.75% Convertible Subordinated Notes due 2006 (the "Notes"), and such
indeterminate number of shares of Common Stock, $0.001 par value (the "Common
Stock") of the Company as may be required for issuance upon conversion of the
Notes (the "Conversion Shares"). We have participated in the preparation of a
Registration Statement on Form S-3 (such Registration Statement, as it may be
amended from time to time, is herein referred to as the "Registration
Statement") relating to the offering and sale of the Notes and the Conversion
Shares by the holders thereof (the "Selling Securityholders").

         We are of the opinion that the Notes have been duly authorized and are
binding obligations of the Company entitled to the benefits of the Indenture
dated as of May 25, 2001, between the Company and State Street Bank and Trust
Company, as Trustee. We are of the further opinion that the Conversion Shares
have been duly authorized and, when issued by the Company upon conversion of the
Notes in accordance with the Indenture, will be legally issued, fully paid and
nonassessable.

         We hereby consent to the filing of this opinion as Exhibit 5.1 to the
Registration Statement and to the use of our name under the caption "Legal
Matters" in the Registration Statement and the Prospectus included therein.

                                      Sincerely,

                                      WILSON SONSINI GOODRICH & ROSATI
                                      Professional Corporation

                                      /s/ WILSON SONSINI GOODRICH & ROSATI, P.C.

