US PATENT SUBCLASS 257 / 488
.~ Field relief electrode

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.~ Field relief electrode {2}
489  DF  .~.~> Resistive
490  DF  .~.~> Combined with floating pn junction guard region

DEFINITION

Classification: 257/488

Field relief electrode:

(under subclass 487) Subject matter wherein the means to increase breakdown voltage comprises an electrode insulated from the semiconductor material of the active solid-state device, and configured so as to reduce the electric field strength at a given voltage applied to the device.