Coherent light generators – Particular active media – Semiconductor
Reexamination Certificate
2011-08-09
2011-08-09
Rodriguez, Armando (Department: 2828)
Coherent light generators
Particular active media
Semiconductor
C372S054000
Reexamination Certificate
active
07995632
ABSTRACT:
In a nitride semiconductor laser chip so structured as to suppress development of a step on nitride semiconductor layers, the substrate has the (1-100) plane as the principal plane, the resonator facet is perpendicular to the principal plane, and, in the cleavage surface forming the resonator facet, at least by one side of a stripe-shaped waveguide, an etched-in portion is formed as an etched-in region open toward the surface of the nitride semiconductor layers.
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Ito Shigetoshi
Kawakami Toshiyuki
Yamamoto Shuichiro
Yamashita Fumio
Harness & Dickey & Pierce P.L.C.
Rodriguez Armando
Sharp Kabushiki Kaisha
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