Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate
2007-01-11
2009-06-16
Vu, David (Department: 2818)
Semiconductor device manufacturing: process
Coating with electrically or thermally conductive material
To form ohmic contact to semiconductive material
C257SE23021
Reexamination Certificate
active
07547624
ABSTRACT:
A method of producing a semiconductor device includes the steps of forming a protrusion electrode on a semiconductor chip; and sealing the protrusion electrode and a semiconductor substrate with a resin layer. The method further includes the steps of polishing the resin layer until an upper surface of the protrusion electrode is exposed; polishing the exposed upper surface of the protrusion electrode; and forming a solder terminal on the polished upper surface of the protrusion electrode.
REFERENCES:
patent: 6699735 (2004-03-01), Ohuchi et al.
patent: 2004-193488 (2004-07-01), None
Kubotera & Associates LLC
Oki Semiconductor Co., Ltd.
Vu David
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