Importance

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Abstract

A process for fabricating a leadless plastic chip carrier. A first surface of a leadframe strip is selectively etched to thereby provide depressions in the first surface and metal contacts are deposited in the depressions in the first surface of the leadframe strip. At least one layer of metal is selectively plated on at least the metal contacts to provide a plurality of selectively plated contact pads and a die attach pad. A semiconductor die is mounted on the first surface of the die attach pad and the semiconductor die is wire bonded to ones of the contact pads. The wire bonds and the semiconductor die are encapsulated in a molding material such that the molding material covers the die attach pad and the contact pads. The leadframe strip is etched away thereby exposing the metal contacts in the form of an array and the leadless plastic chip carrier is singulated from other leadless plastic chip carriers.

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First Claim