IP Library Granted Patent US 6,680,509
Granted Patent Utility
US 6,680,509 · Confirmation No. 7868

NITRIDE BARRIER LAYER FOR PROTECTION OF ONO STRUCTURE FROM TOP OXIDE LOSS IN FABRICATION OF SONOS FLASH MEMORY

Patented Case View Patent ↗
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Code Description Pages PDF
2002-05-30 TRNA Transmittal of New Application 4 View
2002-05-30 A.PE Preliminary Amendment 3 View
2002-05-30 SPEC Specification 14 View
2002-05-30 CLM Claims 3 View
2002-05-30 ABST Abstract 1 View
2002-05-30 DRW Drawings-only black and white line drawings 4 View
2002-05-30 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,680,509
App. No.
10/158,044
Filed
2002-05-30
Granted
2004-01-20
Art Unit
2826
PTA
0 days