US PATENT SUBCLASS 257 / 97
.~.~.~ More than two heterojunctions in same device

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

79  DF  INCOHERENT LIGHT EMITTER STRUCTURE {10}
94  DF  .~ With heterojunction {2}
96  DF  .~.~ Plural heterojunctions in same device {1}
97.~.~.~ More than two heterojunctions in same device

DEFINITION

Classification: 257/97

More than two heterojunctions in same device:

(under subclass 96) Subject matter wherein the light emitting device has more than two heterojunctions.