Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Patent
1981-05-12
1982-09-28
Smith, John D.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
156DIG64, 156643, 156653, 1566591, 20412965, 204192D, 427 39, 427 85, 427 93, 427 95, 427259, 427 88, 430314, 430317, 148187, H01L 21314, H01L 21316
Patent
active
043518940
ABSTRACT:
A method of manufacturing a semiconductor device which comprises the step of applying a silicon carbide film having a prescribed perforated pattern as a masking film selectively to etch a silicon dioxide film or diffuse an impurity into a substrate.
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Ajima Takashi
Hiraki Shun-ichi
Koshino Yutaka
Oka Yoshitami
Yonezawa Toshio
Smith John D.
Tokyo Shibaura Electric Co. Ltd.
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