Coherent light generators – Particular active media – Semiconductor
Reexamination Certificate
2007-05-08
2007-05-08
Harvey, Minsun Oh (Department: 2828)
Coherent light generators
Particular active media
Semiconductor
C372S043010, C372S097000
Reexamination Certificate
active
10105510
ABSTRACT:
A conductive element with a lateral oxidation barrier is provided for the control of lateral oxidation processes in semiconductor devices such as lasers, vertical cavity surface emitting lasers and light emitting diodes. The oxidation barrier is formed through modification of one or more layers which initially were receptive to oxidation. The quality of material directly below the oxidation barrier may be preserved. Related applications include the formation of vertical cavity surface emitting lasers on non-GaAs substrates and on GaAs substrates.
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Harvey Minsun Oh
Jagtiani & Guttag
Nguyen Phillip
Picolight Incorporated
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