Patent ID: 6229200
Filing Date: 2001-05-08
Classification: H01L

Abstract:
A plastic chip carrier, comprising:a semiconductor die having bonding pads formed thereon;a die-attach pad having a bottom surface and a top surface on which said semiconductor die is attached;a plurality of leads, each having a bottom surface and a top surface, said leads disposed in close proximity to said die-attach pad;a plurality of wires each bonded to a selected one of said bonding pads and a corresponding one of said leads; andan encapsulation encapsulating said semiconductor die, said top surface of said die attach-pad, said wires, and said top surfaces of said leads, and exposing said bottom surface of said die-attach pad and said bottom surfaces of said leads, wherein said die-attach pad is provided an interlocking lip at a portion of said die-attach pad, said interlocking lip engaging said die-attach pad to said encapsulation.