US PATENT SUBCLASS 257 / 155
.~ With switching speed enhancement means (e.g., Schottky contact)

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}
155.~ With switching speed enhancement means (e.g., Schottky contact) {1}
156  DF  .~.~> Having deep level dopants or recombination centers

DEFINITION

Classification: 257/155

With switching speed enhancement means (e.g., Schottky contact):

(under subclass 107) Subject matter wherein the regenerative active junction type switching device is provided with means to increase its switching speed.