Active solid-state devices (e.g. – transistors – solid-state diode – Bipolar transistor structure – Plural non-isolated transistor structures in same structure
Reexamination Certificate
2011-04-26
2011-04-26
Smoot, Stephen W (Department: 2813)
Active solid-state devices (e.g., transistors, solid-state diode
Bipolar transistor structure
Plural non-isolated transistor structures in same structure
C257S579000, C257SE29187
Reexamination Certificate
active
07932582
ABSTRACT:
In a dual direction BJT clamp, multiple emitter and base fingers are alternatingly connected to ground and pad and share a common sub-collector.
REFERENCES:
patent: 5436475 (1995-07-01), Tews et al.
patent: 6674147 (2004-01-01), Sakamoto
patent: 6853053 (2005-02-01), Vashchenko et al.
patent: 7563684 (2009-07-01), Pellizzer et al.
patent: 2002/0135046 (2002-09-01), Yu
patent: 2006/0267148 (2006-11-01), Ma et al.
National Semiconductor Corporation
Smoot Stephen W
Vollrath Jurgen K.
Vollrath & Associates
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