US PATENT SUBCLASS 257 / 117
.~.~.~ In groove or with thinned semiconductor 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}
116  DF  .~.~ With light conductor means (e.g., light fiber or light pipe) integral with device or device enclosure or package {1}
117.~.~.~ In groove or with thinned semiconductor portion

DEFINITION

Classification: 257/117

In groove or with thinned semiconductor portion:

(under subclass 116) Subject matter wherein the light sensitive portion is located in a groove in the device or wherein it is covered by a relatively thin portion of semiconductor material.