Patent ID: 9659908
Date: 2017-05-23
CPC Classifications: H01L,Y02P

Claim:
1. A device comprising: a first die package including a first conductive pad on or at least partially in the first die package; a dielectric mold material on the first die package, the mold material including a hole therethrough, the hole at least partially exposing the first conductive pad; a second die package including a second conductive pad on or at least partially in the second die package, the second die package on the mold material such that the second conductive pad faces the first conductive pad through the hole; and a shape memory structure in the hole and forming a portion of a solder column electrical connection between the first die package and the second die package, the shape memory structure formed of a shape memory alloy material that, when heated above an austenite temperature, reverts to a programmed shape.