US PATENT SUBCLASS 372 / 44
.~.~ Injection

Current as of: June, 1999
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372 /   HD   COHERENT LIGHT GENERATORS

39  DF  PARTICULAR ACTIVE MEDIA {7}
43  DF  .~ Semiconductor {1}
44.~.~ Injection {4}
45  DF  .~.~.~> Particular confinement layer
46  DF  .~.~.~> Particular current control structure {2}
49  DF  .~.~.~> Particular coating on facet
50  DF  .~.~.~> Monolithic integrated

DEFINITION

Classification: 372/44

Injection:

(under subclass 43) Subject matter wherein the laser is a p.n junction semiconductor device which converts forward-bias electrical input directly into coherent optical output power via a process of stimulated emission in the region near the junction.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),

13, 79 through 103 and 918 for incoherent light emitting injection luminescent devices, and subclasses 80 through 85 for semiconductor light emitting sources combined with semiconductor light responsive devices.

438, Semiconductor Device Manufacturing: Process,

22+, for methods of making radiation emissive devices of the semiconductor barrier layer type.