Patent ID: 6841882

Claim:
An elastomer interposer, employed between a package and a printed circuit board, comprising: an elastomer, having a first surface and a second surface; a plurality of conductive wires, arranged inside the elastomer at a certain interval and tilted toward the second surface with an inclined angle; a plurality of first Cu pads, formed on the first surface at a space and electrically connected to the corresponding conductive wires; a plurality of second Cu pads, formed on the second surface at the space and electrically connected to the corresponding conductive wires; a plurality of first solder resistant blocks, having openings surrounding the first Cu pads, are on the first surface; a plurality of second solder resistant blocks, having openings surrounding the second Cu pads, are on the second surface; a plurality of first Ni/Au plated pads, formed on outer surface of the first Cu pads; and a plurality of second Ni/Au plated pads, formed on outer surface of the second Cu pads.