Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2005-03-08
2005-03-08
Pham, Long (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
C257S368000, C257S392000
Reexamination Certificate
active
06864550
ABSTRACT:
A source electrode Vddis formed in a region between a field PMOS1and a field PMOS2as high side switches of a latch circuit. This latch circuit is utilized in the state where a lower side of one of the two high side switches is completely depleted. Field PMOS1and field PMOS2share a P+-type impurity diffusion region, an N+-type impurity diffusion region and a P+-type impurity diffusion region, which are connected to source electrode Vdd. It is therefore possible to provide a semiconductor device capable of reducing the area thereof in the direction parallel to the main surface of a semiconductor substrate.
REFERENCES:
patent: 20020000867 (2002-01-01), Daniel et al.
patent: 10-004143 (1988-01-01), None
“1200V High-Side Lateral MOSFET in Junction-Isolated Power IC Technology Using Two Field-Reduction Layers”, J.S. Ajit et al.,Proceedings of The 5th International Symposium on Power Semiconductor Devices and IC'sMay 18-20, 1993, pp 230-235.
“Self-Shielding: New High-Voltage Inter-Connection Technique for HVICs”, Tatsuhiko Fujihara et al., 1996 IEEE, pp. 231-234.
McDermott Will & Emery LLP
Mitsubishi Denki & Kabushiki Kaisha
Pham Long
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