IP Library Granted Patent US 6,187,640
Granted Patent Utility
US 6,187,640 · App. 09/193,252

Semiconductor device manufacturing method including various oxidation steps with different concentration of chlorine to form a field oxide

Inventors: Hiroyuki Shimada, Masaaki Higashitani, Hideo Kurihara, Hideki Komori, Satoshi Takahashi
Patented Case View Patent ↗
Granted: Feb 13, 2001 Filed: Nov 17, 1998
Inventors
Hiroyuki Shimada
Masaaki Higashitani
Hideo Kurihara
Hideki Komori
Satoshi Takahashi
Assignees (at issue)
Fujitsu Limited
Advanced Micro Devices, Inc.
Fujitsu AMD Semiconductor Limited

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Quick Facts
Patent No.
US 6,187,640
App. No.
09/193,252
Filed
1998-11-17
Granted
2001-02-13
Kind
A