US PATENT SUBCLASS 257 / 484
.~.~ Guard ring

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

471  DF  SCHOTTKY BARRIER {8}
483  DF  .~ With means to prevent edge breakdown {1}
484.~.~ Guard ring

DEFINITION

Classification: 257/484

Guard ring:

(under subclass 483) Subject matter wherein the means to prevent edge breakdown is a guard ring (e.g., a pn junction surrounding the periphery of the Schottky metal).