Patent ID: 8866272

Claim:
A packaged microelectronic device, comprising: a support member comprising a first side, a second side opposite the first side, a plurality of support member terminals at the first side, and a plurality of contact pads at the second side and electrically coupled to corresponding support member terminals; a microelectronic die having a front side and a back side opposite the front side, wherein the back side is facing the support member, and the microelectronic die includes a plurality of terminals at the front side of the die and electrically coupled to corresponding support member terminals with a plurality of wire bonds; and an attachment feature between the support member and the back side of the microelectronic die and attached to each of the support member and the microelectronic die, wherein the attachment feature is composed of a solder material, and wherein the attachment feature includes at least one of (a) a single, unitary structure covering at least approximately all of the back side of the die, and (b) a feature not electrically connected to internal active structures of the microelectronic die.