IP Library Granted Patent US 6,562,721
Granted Patent Utility
US 6,562,721 · Confirmation No. 3610

DRY ETCHING METHOD AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE

Inventor: Yasuhiko Ueda
⬇ PDF
Code Description Pages PDF
2001-01-04 TRNA Transmittal of New Application 1 View
2001-01-04 A.PE Preliminary Amendment 2 View
2001-01-04 SPEC Specification 15 View
2001-01-04 CLM Claims 4 View
2001-01-04 ABST Abstract 1 View
2001-01-04 DRW Drawings-only black and white line drawings 3 View
2001-01-04 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,562,721
App. No.
09/754,638
Filed
2001-01-04
Granted
2003-05-13
Pub. No.
US20010016422A1
Examiner
TRAN, BINH X
Art Unit
1765
PTA
-57 days