Patent ID: 7064432

Claim:
A bonding interface for mechanical and electrical bonding of a first electronic device containing structure, having a respective bonding surface with at least one conductive first contact pad adjacent thereto, to a second electronic device containing structure having a respective bonding surface with at least one conductive second contact pad adjacent thereto, the first and second structures being arranged so that the respective bonding surfaces of the first and second structures are in opposing relationship to one another, comprising: (a) a rigid insulating substrate having a first and a second planar surface, said first planar surface being parallel to said second planar surface; and (b) a multiplicity of rigid electrically conductive pins embedded in said insulating substrate wherein: said multiplicity of pins are aligned substantially normal to said first and second planar surfaces of the substrate, at least substantially all of said multiplicity of pins protrude from said first and second planar surfaces of the substrate, said multiplicity of pins are spaced apart from one another, at least substantially all of said multiplicity of pins are each separated from a nearest other one of said multiplicity of pins by no more than about 2 microns, said multiplicity of pins are distributed throughout said insulating substrate so that said insulating substrate and the embedded multiplicity of pins bonds said first and second device containing structures by being interposed between the respective bonding surfaces of the structures so that the respective bonding surfaces are at respective ends of the at least substantially all of the multiplicity of pins, each one of the at least one first contact pad overlapping a particular one of the at least one second contact pad is electrically connected to said particular one of the at least one second contact pad by a respective group of a plurality of said at least substantially all of the multiplicity of pins, each pin of the respective group having respective ends thereof electrically and mechanically bonded to the electrically connected ones of the at least one first contact pad and the at least one second contact pad, and said multiplicity of pins providing mechanical support to the respective bonding surfaces of the first and second device containing structures without the use of an adhesive.