1934 Act Registration No. 1-14700

                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER
                      PURSUANT TO RULE 13a-16 OR 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934

                         For the month of December 2002

                 Taiwan Semiconductor Manufacturing Company Ltd.
                 (Translation of Registrant's Name Into English)

                             No.121 Park Avenue III
                          Science-Based Industrial Park
                                Hsin-chu, Taiwan
                    (Address of Principal Executive Offices)

            (Indicate by check mark whether the registrant files or will file
annual reports under cover of Form 20-F or Form 40-F.)

            Form 20-F    V                           Form 40-F
                      -------                                  -------

            (Indicate by check mark whether the registrant by furnishing the
information contained in this form is also thereby furnishing the information to
the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of
1934.)

            Yes                                      No    V
                -------                                 -------

(If "Yes" is marked, indicated below the file number assigned to the registrant
in connection with Rule 12g3-2(b): 82: _______.)



Subject: Announcement of the acquisition of VISC's Common Stock
Date of events: 12/27/2002
Contents:

1.   Name and nature of the transacted asset: Common Stock of Vanguard
     International Semiconductor Corporation (VISC)
2.   Date of the occurrence of the event: 12/27/2002
3.   Transaction volume and price: 121,337,206 shares at NT$7 per share.
4.   Counter party to the trade and its relationship with the company: TSMC
     holds more than 10% of VISC's outstanding shares.
5.   Terms of delivery or payment: NT$849,360,442 paid on 12/27/2002.
6.   The manner of deciding on this transaction: Based on VISC's capital
     expansion program, the subscription was approved by the Board of TSMC.
7.   Current cumulative volume, amount, and shareholding percentage of holdings
     of the security being traded: Totaling 677,470,702 shares with amount of
     NT$4,742,295,914. Equivalents 24.20% to its total outstanding share.
8.   Current ratio of long or short term securities investment to the total
     assets and shareholder's equity as shown in the most recent financial
     statement and the operational capital as shown in the most recent financial
     statement: 10.97% to total assets, 14.11% to Shareholder's equity, and with
     NT$59,057,434 thousands of operational capital.
9.   Concrete purpose or use of the acquisition or disposition: Long-term
     investment
10.  Opinions of directors expressing opposition to the trade: None
11.  Any other matters that need to be specified: None





                                   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, thereunto duly authorized.



                                Taiwan Semiconductor Manufacturing Company Ltd.


Date: December 27, 2002         By  /s/  Harvey Chang
                                  --------------------------------------
                                Harvey Chang
                                Senior Vice President & Chief Financial Officer