Patent ID: 6506627
Filing Date: 2003-01-14
Classification: H01L

Abstract:
A method of manufacturing a TAB tape for a semiconductor device, said TAB tape being adapted to be laminated either directly or through a stress moderating elastomer onto a circuit formation surface of a semiconductor chip, said TAB tape including an insulator tape having flexibility and formed on said insulator tape are leads made of a metallic film, the method comprising the steps of:providing a tape member having metal films formed on both sides of said insulator tape having flexibility; etching the metal film formed on one side of said tape member to partially expose said insulator tape at least at positions corresponding to bonding pads formed on said circuit formation surface of said semiconductor chip; laser processing the exposed portions of said insulator tape to form holes, corresponding to said bonding pads, in said insulator tape at said positions corresponding to said bonding pads; and etching the metal film formed on the other side of said tape member to form said leads so as to bridge across said holes, corresponding to said bonding pads, in said insulator tape.