Semiconductor device manufacturing: process – Chemical etching – Altering etchability of substrate region by compositional or...
Patent
1992-02-14
1998-06-16
Breneman, R. Bruce
Semiconductor device manufacturing: process
Chemical etching
Altering etchability of substrate region by compositional or...
438703, 438753, 216 56, 216 87, 216 99, H01L 2120
Patent
active
057670200
ABSTRACT:
A method for preparing a semiconductor member comprises:
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Sakaguchi Kiyofumi
Sato Nobuhiko
Yonehara Takao
Breneman R. Bruce
Canon Kabushiki Kaisha
Goudreau George
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