Patent ID: 6134776
Filing Date: 2000-10-24
Classification: H01L,Y10T

Abstract:
A method of fabricating an electronic assembly including component chips with a flat surface at a pad location presented by a carrier assembly which includes wiring means for connecting such components to other electronic assembly components comprisingadhering a foil film layer at said pad location;applying a coating of die attach adhesive to said foil film layer at said pad location;attaching a component chip to said adhesive layer at said pad location;connecting said component chip to said wiring means on said carrier assembly;determining that said component chip mounted at said pad location must be replaced;removing said component chip from said electronic assembly by peeling said foil film layer from said pad location to remove said foil film layer, said die attach adhesive and said component chip as a unit;replacing said coating of die attach adhesive at said pad location;attaching a replacement component chip to said die attach adhesive at said pad location; andconnecting said replacement component chip to said wiring means on said carrier assembly.