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Dive into the research topics where Geoffrey B. Stephens is active.

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Featured researches published by Geoffrey B. Stephens.


international reliability physics symposium | 1977

Hot Electron Reliability Effects in Lateral PNP Transistors

David L. Bergeron; Zimri Congdon Putney; P. H. Smith; Geoffrey B. Stephens

A failure mechanism of bipolar lateral PNP transistors in medium voltage integrated circuits has been observed. The failure mechanism is characterized by inversion layer conduction between emitter and collector of the devices resulting from the trapping of hot electrons in the dielectric. A model of the mechanism has been developed which explains the observed temperature and voltage acceleration.


Archive | 1978

Hardened photoresist master image mask process

George Edward Alcorn; David L. Bergeron; Geoffrey B. Stephens


Archive | 1998

Low voltage CMOS circuit for on/off chip drive at high voltage

Hayden C. Cranford; Stacy J. Garvin; Geoffrey B. Stephens


Archive | 1981

Electrically alterable read only memory cell

Hayden C. Cranford; Charles Reeves Hoffman; Geoffrey B. Stephens


Archive | 1977

Method for forming dense dry etched multi-level metallurgy with non-overlapped vias

George Edward Alcorn; Raymond Weaver Hamaker; Geoffrey B. Stephens


Archive | 1994

Mixed voltage output buffer circuit

Geoffrey B. Stephens; Scott J. Tucker


Archive | 1979

Dense dry etched multi-level metallurgy with non-overlapped vias

George Edward Alcorn; Raymond Weaver Hamaker; Geoffrey B. Stephens


Archive | 1980

Dense high performance JFET compatible with NPN transistor formation and merged BIFET

David L. Bergeron; Geoffrey B. Stephens


Archive | 1977

NPN/PNP Fabrication process with improved alignment

David L. Bergeron; Zimri Congdon Putney; Geoffrey B. Stephens


Archive | 1999

CMOS device and circuit and method of operation dynamically controlling threshold voltage

Hayden C. Cranford; Geoffrey B. Stephens

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