US PATENT SUBCLASS 257 / 163
.~ Emitter region feature

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

107  DF  REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) {19}
163.~ Emitter region feature {1}
164  DF  .~.~> Multi-emitter region (e.g., emitter geometry or emitter ballast resistor) {2}

DEFINITION

Classification: 257/163

Emitter region feature:

(under subclass 107) Subject matter wherein the active emitter junction region of the regenerative device has a particular characteristic.