Patent ID: 7434310
Filing Date: 2008-10-14
Classification: H01L,Y10T

Abstract:
1. A process to reform a plastic packaged integrated circuit die into a smaller plastic packaged integrated circuit die, comprising: providing a plastic packaged integrated circuit die containing an integrated circuit die connected by a set of wire bonds to a set of leads, and the integrated circuit die, the set of wire bonds and a portion of the set of lead encased in a plastic package, the plastic packaged integrated circuit die provided as a chip carrier having a portion of the set of leads extending from a surface of the chip carrier; and reforming the provided plastic packaged integrated circuit die, the reforming comprising: grinding away a bottom side of the plastic package and portions of the set of leads that are in the plane of the grinding until a bottom surface of an inner portion of the set of leads is exposed at a peripheral region of the inner portion; cutting approximately perpendicularly to the top and bottom sides of the plastic package to remove portions of the plastic package and the set of leads that are outside the inner portion of the set of leads; and adapting the bottom surfaces of the inner portion of the set of leads to create reliable electrical connections.