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US5696389A Light-emitting semiconductor device 失效
发光半导体器件

Light-emitting semiconductor device
摘要:
A light-emitting semiconductor device comprising an n-type cladding layer provided on a surface of a substrate and having concentric first and second parts, a first electrode mounted on the first part of the n-type cladding layer, a p-type cladding layer provided above the surface of the substrate and surrounding the first electrode and the second part of the n-type cladding layer, and a second electrode provided on the p-type cladding layer.
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