Patent ID: 6087597
Filing Date: 2000-07-11
Classification: H01L,H05K,Y02P

Abstract:
An electronic device assembly, comprising:a first substrate having a first surface, a second surface, and a first pad on said first surface thereof;a second substrate having a first surface, a second surface, and a second pad on said second surface thereof, said first pad facing said second pad;a rigid spherical core interposed between said first and second pads; andsolder connecting said first and second pads,wherein said first substrate has a through-hole which is provided through said first substrate at a position of said first pad, and at least a part of said solder is positioned in said through-hole and at least a part of said spherical core is received in said through-hole,wherein said through-hole has an inner wall which is continuously tapered from said first surface of said first substrate to said second surface of said first substrate.