US PATENT SUBCLASS 257 / 118
.~.~ With groove or thinned light sensitive portion

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}
113  DF  .~ With light activation {4}
118.~.~ With groove or thinned light sensitive portion

DEFINITION

Classification: 257/118

With groove or thinned light sensitive portion:

(under subclass 113) Subject matter wherein the light sensitive portion is located in a groove in the surface of the device or is located close to the surface of the device in a thinned region of the device so that only a relatively thin portion of the device has to be traversed by light.