US PATENT SUBCLASS 257 / 437
.~.~.~.~ Antireflection coating

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

414  DF  RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) {4}
428  DF  .~ Electromagnetic or particle radiation {2}
431  DF  .~.~ Light {15}
436  DF  .~.~.~ With means for increasing light absorption (e.g., redirection of unabsorbed light) {1}
437.~.~.~.~ Antireflection coating

DEFINITION

Classification: 257/437

Antireflection coating:

(under subclass 436) Subject matter wherein the means for increasing light absorption by the junction is a coating applied to the device which reduces reflection of the incident light (e.g., by use of interference films).