Memory chips are assembled into a stack with an insertion-pin frame between pins of two stacked memory chips. The insertion-pin frame is not bent or formed into 3-dimensional shapes but is flat, improving use in standard surface-mount processes such as solder printing onto the insertion-pin frame. Flat...http://www.google.fr/patents/US6933209?utm_source=gb-gplus-shareBrevet US6933209 - Stacking memory chips using flat lead-frame with breakaway insertion pins and pin-to-pin bridges
Stacking memory chips using flat lead-frame with breakaway insertion pins ...
