US Patent 7483463 Ridge-waveguide semiconductor laser diode
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Patent Inventor Names
Ho-sun Paek0
Joong-kon Son0
Sung-nam Lee0
Tae-hoon Jang0
Tan Sakong0
Youn-joon Sung0
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Patent abstract
A ridge-waveguide semiconductor laser diode with an improved current injection structure is provided. The ridge-waveguide semiconductor laser diode includes: a substrate; a lower multi-semiconductor layer formed on the substrate; an active layer formed on the lower multi-semiconductor layer; an upper multi-semiconductor layer having a ridge portion and formed on the active layer; and an upper electrode formed on the upper multi-semiconductor layer, wherein the upper electrode covers at least one side surface of the ridge portion.
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US Patent 07483463 Ridge-waveguide semiconductor laser diode US Patent 7483463 Ridge-waveguide semiconductor laser diode
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Patent Number
07483463
Patent Number
7483463
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US Patent 07483463 Ridge-waveguide semiconductor laser diode
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Is a
Patent jurisdiction
Patent number
07483463
Date of patent
January 27, 2009
Patent application number
11505871
Date Filed
August 18, 2006
Patent primary examiner
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