EXHIBIT 3.1.11

                            CERTIFICATE OF FORMATION

                                       OF

                       AMKOR INTERNATIONAL HOLDINGS, LLC,
                      A DELAWARE LIMITED LIABILITY COMPANY

      FIRST: The name of the limited liability company formed hereby is:

           Amkor International Holdings, LLC, a Delaware Limited Liability
           Company

      SECOND: The address of the company's registered office in the State of
Delaware is: Corporation Trust Center, 1209 Orange Street, in the City of
Wilmington, County of New Castle. The name of its registered agent at such
address is The Corporation Trust Company.

      THIRD: The purpose of the company is to engage in any lawful act or
activity for which a limited liability company may be organized under the
Delaware Limited Liability Company Act.

      FOURTH: The company shall be managed in accordance with the terms of its
limited liability company agreement.

      FIFTH: No member of the company shall be obligated personally for any
debt, obligation or liability of the company solely by reason of being a member
of the company. The failure to observe any formalities relating to the business
or affairs of the company shall not be grounds for imposing personal liability
on any member for the debts, obligations or liabilities of the company.

      SIXTH: The company reserves the right to amend or repeal any provision
contained herein in the manner now or hereafter prescribed by law and in the
company's limited liability company agreement.

                            [Signature Page Follows]



      The undersigned, an authorized person, has caused this Certificate of
Formation to be duly executed as of December 22, 2004.

                                /s/ Kenneth T. Joyce
                                -----------------------------
                                Kenneth T. Joyce
                                Authorized Person

               SIGNATURE PAGE TO CERTIFICATE OF FORMATION OF AMKOR
                          INTERNATIONAL HOLDINGS, LLC