Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate
2008-01-01
2008-01-01
Pham, Hoai v (Department: 2814)
Semiconductor device manufacturing: process
Coating with electrically or thermally conductive material
To form ohmic contact to semiconductive material
C438S617000, C438S666000, C257SE21508
Reexamination Certificate
active
07314818
ABSTRACT:
A tip of a first wire is bonded to a first electrode. The first wire is drawn from the first electrode to a bump on a second electrode. A part of the first wire is deformed and bonded to the bump. A tip of a second wire formed in the shape of a ball is bonded to the bump by using a tool in a state in which at least a part of the tip is superposed on the first wire. A part of the first wire which is not deformed by bonding is prevented from being deformed by the tip of the second wire and the tool.
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Takahashi Takuya
Tomimatsu Hiroyuki
Nguyen Dilinh
Oliff & Berridg,e PLC
Pham Hoai v
Seiko Epson Corporation
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