Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Reexamination Certificate
2005-02-17
2008-10-21
Sherry, Michael J (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
C361S091100, C361S111000, C361S118000
Reexamination Certificate
active
07440247
ABSTRACT:
A gate coupling electrostatic discharge protection circuit is disclosed. The protection circuit that is connected an ESD structure with gate coupling to a first level circuit and other ESD structures with gate coupling to a derived circuit derived from the first level circuit in parallel could be used to drain the electrostatic discharge. The resistance of the first level circuit and the resistance of derived circuit are matched in draining the electrostatic discharge, whereby the current wouldn't concentrate on a certain portion of these cascades structures.
REFERENCES:
patent: 5579200 (1996-11-01), Rajkanan et al.
patent: 6097071 (2000-08-01), Krakauer
patent: 1385902 (2002-12-01), None
Sung Yung-Chi
Wang Joe
Birch & Stewart Kolasch & Birch, LLP
Patel Dharti H
Sherry Michael J
VIA Technologies Inc.
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