IP Library › Granted Patent US 6,429,524
Granted Patent Utility
US 6,429,524 · Confirmation No. 6602

ULTRA-THIN TANTALUM NITRIDE COPPER INTERCONNECT BARRIER

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2021-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-03-31 PA.. Power of Attorney 2 View
2021-03-31 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2021-03-31 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-05-11 TRNA Transmittal of New Application 4 View
2001-05-11 SPEC Specification 23 View
2001-05-11 CLM Claims 7 View
2001-05-11 ABST Abstract 1 View
2001-05-11 DRW Drawings-only black and white line drawings 5 View
2001-05-11 OATH Oath or Declaration filed 4 View
2001-05-11 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,429,524
App. No.
09/853,956
Filed
2001-05-11
Granted
2002-08-06
Art Unit
2818
PTA
0 days