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Dive into the research topics where Shahriar Ahmed is active.

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Featured researches published by Shahriar Ahmed.


international symposium on plasma process-induced damage | 1997

Effect Of MOS Device Scaling On Process Induced Gate Charging

Mohsen Alavi; Steve Jacobs; Shahriar Ahmed; Chan-Hong Chern; Paul McGregor

Plasma induced gate charging damage is evaluated for advanced processes with ultra thin oxides. It is found that thinning the gate oxide results in increased damage up to a point. Beyond thiat, damage is reduced significantly due to direct tunneling current. Additionally, it is shown that diodes with breakdown voltages higher than oxide breakdown still offer protection against damage (piroportional to their area) while gated diodes offer improved protection. Elevated temperature during charging has been found to increase oxide degradation and PMOS structures have been found much more susceptible. Physical models are provided for these findings.


Archive | 1994

Inverted spacer transistor

Robert S. Chau; Chan-Hong Chern; Shahriar Ahmed; Robert F. Hainsey; Robert J. Stoner; Todd Wilke; Leopoldo D. Yau


Archive | 1996

Channel dopant implantation with automatic compensation for variations in critical dimension

Scott E. Thompson; P. Packan; Tahir Ghani; Mark Stettler; Shahriar Ahmed; Mark Bohr


Archive | 1999

ASYMMETRIC MOSFET DEVICES

Sunit Tyagi; Shahriar Ahmed


Archive | 2003

Bipolar junction transistor with improved extrinsic base region and method of fabrication

Shahriar Ahmed; Ravindra Soman; Anand S. Murthy; Mark Bohr


Archive | 2000

Methods to produce asymmetric MOSFET devices

Sunit Tyagi; Shahriar Ahmed


Archive | 2003

Method for fabricating a heterojunction bipolar transistor

Ravindra Soman; Anand S. Murthy; Peter VanDerVoorn; Shahriar Ahmed


Archive | 2003

Self aligned compact bipolar junction transistor layout, and method of making same

Shahriar Ahmed; Mark Bohr; Stephen Chambers; Richard Green; Anand S. Murthy


Archive | 2001

Super self-aligned collector device for mono-and hetero bipolar junction transistors

Shahriar Ahmed; Mark Bohr; Stephen Chambers; Richard Green


Archive | 1997

Well boosting threshold voltage rollup

Scott E. Thompson; P. Packan; Tahir Ghani; Mark Stettler; Shahriar Ahmed; Mark Bohr

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