Semiconductor device manufacturing: process – Packaging or treatment of packaged semiconductor – Incorporating resilient component
Patent
1997-12-12
1999-11-23
Graybill, David E.
Semiconductor device manufacturing: process
Packaging or treatment of packaged semiconductor
Incorporating resilient component
438124, 438126, 438127, 438617, 438977, H01L 21283, H01L 2156, H01L 2158, H01L 2160
Patent
active
059899395
ABSTRACT:
A method of making a assembly including the steps of fitting a chip within an aperture in a frame, connecting the bond pads on the frame to the contacts on the chip by forming wire loops therebetween, dispensing a compliant material over the frame, chip and wire loops for form a compliant layer, and plasma etching the top surface of the compliant layer to expose the top portion of each wire loop. The semiconductor chip assembly can then be incorporated into a larger assembly by connecting the wire loops to connection pads on an external substrate.
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Graybill David E.
Tessera Inc.
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