US PATENT SUBCLASS 257 / 152
.~.~ Cathode emitter or cathode electrode 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}
147  DF  .~ With extended latchup current level (e.g., gate turn off "GTO" device) {5}
152.~.~ Cathode emitter or cathode electrode feature

DEFINITION

Classification: 257/152

Cathode emitter or cathode electrode feature:

(under subclass 147) Subject matter wherein the extended latchup current level device has a particular cathode emitter or cathode electrode feature.