US PATENT SUBCLASS 257 / 489
.~.~ Resistive

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

487  DF  WITH MEANS TO INCREASE BREAKDOWN VOLTAGE THRESHOLD {6}
488  DF  .~ Field relief electrode {2}
489.~.~ Resistive

DEFINITION

Classification: 257/489

Resistive:

(under subclass 488) Subject matter wherein the field relief electrode is a high resistance layer adapted to have a current flow therethrough and a corresponding voltage variation therein.