Patent ID: 6774315
Filing Date: 2004-08-10
Classification: H01L,H01R,H05K,Y02P,Y10T

Abstract:
An interposer for compliantly connection a chip die directly to a circuit card comprising a layer of elastic dielectric material having an array of copper plated vias filled with solder extending from one surface of said dielectric material to the other with each of said copper plated vias terminating in a copper pad at said one and said other surface and with each of said copper plated vias similarly sloped with respect to said one and said other surface so as to allow said interposer to flex both vertically and horizontally, said layer of elastic dielectric material further having a uniformed array of holes extending therethough and arranged so that individual ones of said holes of said array of holes are positioned to be substantially surrounded by individual one of said array of copper plated vias so as to further facilitate uniform compliance of said interposer.