IP Library Granted Patent US 6,552,375
Granted Patent Utility
US 6,552,375 · Confirmation No. 1538

BLOCKING OF BORON DIFFUSION THROUGH THE EMITTER-EMITTER POLY INTERFACE IN PNP HBTS THROUGH USE OF A SIC LAYER AT THE TOP OF THE EMITTER EPI LAYER

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Code Description Pages PDF
2002-03-04 TRNA Transmittal of New Application 2 View
2002-03-04 A.PE Preliminary Amendment 2 View
2002-03-04 SPEC Specification 19 View
2002-03-04 CLM Claims 2 View
2002-03-04 ABST Abstract 1 View
2002-03-04 DRW Drawings-only black and white line drawings 6 View
2002-03-04 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,552,375
App. No.
10/091,242
Filed
2002-03-04
Granted
2003-04-22
Pub. No.
US20020094658A1
Examiner
LE, THAO P
Art Unit
2818
PTA
0 days