Patent ID: 6376769
Filing Date: 2002-04-23
Classification: B32B,G06K,H01L,H01Q,H05K

Abstract:
An electronic package having contacts adapted to be attached to a substrate, said electronic package comprising:at least one electronic device, said electronic device having a plurality of contacts thereon; a flexible dielectric adhesive interposer including: at least one layer of flexible dielectric adhesive having a modulus of elasticity less than about 500,000 psi, a plurality of conductive vias through said layer of flexible dielectric adhesive, said plurality of conductive vias being in a pattern corresponding to a pattern of contacts of one of said electronic device and a substrate, wherein at least certain ones of said plurality of conductive vias correspond to ones of the contacts of said electronic device, and a metal foil on one surface of said layer of flexible dielectric adhesive, wherein said metal foil is patterned and is in electrical contact with ones of said conductive vias, wherein one of the plurality of conductive vias and the patterned metal foil includes contacts adapted to be attached to a substrate; and means for connecting the contacts of said electronic device to the certain ones of said conductive vias.