Packaging system for stacking integrated circuits
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United States of America Patent
Stats
-
Aug 29, 1989
Grant Date -
N/A
app pub date -
Apr 17, 1987
filing date -
Apr 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Integrated circuit dies are mounted to the interconnection leads on frames of tape automatic bonding (TAB) film. Thereafter, each frame of the TAB film with the attached integrated circuit die is affixed to an electrically insulating, thermally conductive plate to form a sandwich structure. A number of sandwich structures are bonded together to form a stack of the sandwiches. The interconnection leads of each sandwich in the stack are selectively electrically connected to the interconnection leads of other sandwiches in the stack to form a system of electrically interconnected integrated circuits. The system is compact and has short interconnection paths between integrated circuits so that the propagation delays of signals between integrated circuits are minimized.
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