IP Library › Granted Patent US 6,669,857
Granted Patent Utility
US 6,669,857 · Confirmation No. 4637

PROCESS FOR ETCHING BISMUTH-CONTAINING OXIDE FILMS

Inventor: Frank Hintermaier
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-10-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-11 TRNA Transmittal of New Application 1 View
2002-02-11 SPEC Specification 14 View
2002-02-11 CLM Claims 6 View
2002-02-11 ABST Abstract 1 View
2002-02-11 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,669,857
App. No.
10/073,829
Filed
2002-02-11
Granted
2003-12-30
Pub. No.
US20020130105A1
Art Unit
1763
PTA
-3 days