IP Library › Granted Patent US 5,144,403
Granted Patent Utility
US 5,144,403 · App. 07/595,725

Bipolar transistor with trench-isolated emitter

Inventors: Shang-Yi Chiang, Wen-Ling M. Huang, Clifford Drowley, Paul Vande Voorde
Patented Case View Patent ↗
Granted: Sep 1, 1992 Filed: Oct 9, 1990
Inventors
Shang-Yi Chiang
Wen-Ling M. Huang
Clifford Drowley
Paul Vande Voorde
Assignee (at issue)
Hewlett-Packard Company, L.P.

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Quick Facts
Patent No.
US 5,144,403
App. No.
07/595,725
Filed
1990-10-09
Granted
1992-09-01
Kind
A