Semiconductor device manufacturing: process – Bonding of plural semiconductor substrates – Subsequent separation into plural bodies
Reexamination Certificate
2008-12-19
2010-11-30
Coleman, W. David (Department: 2823)
Semiconductor device manufacturing: process
Bonding of plural semiconductor substrates
Subsequent separation into plural bodies
C257SE21088
Reexamination Certificate
active
07842584
ABSTRACT:
There are provided a semiconductor device having a structure which can realize not only suppression of a punch-through current but also reuse of a silicon wafer used for bonding, in manufacturing a semiconductor device using an SOI technique, and a manufacturing method thereof. A semiconductor film into which an impurity imparting a conductivity type opposite to that of a source region and a drain region is implanted is formed over a substrate, and a single crystal semiconductor film is bonded to the semiconductor film by an SOI technique to form a stacked semiconductor film. A channel formation region is formed using the stacked semiconductor film, thereby suppressing a punch-through current in a semiconductor device.
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Godo Hiromichi
Isaka Fumito
Kakehata Tetsuya
Kato Sho
Shimomura Akihisa
Coleman W. David
Robinson Eric J.
Robinson Intellectual Property Law Office P.C.
Semiconductor Energy Laboratory Co,. Ltd.
Shook Daniel
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