Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shigeyuki Okamoto0
Shingo Kameyama0
Daijiro Inoue0
Kiyoshi Oota0
Kunio Takeuchi0
Noriaki Matsuoka0
Ryoji Hiroyama0
Date of Patent
August 21, 2007
Patent Application Number
10811137
Date Filed
March 29, 2004
Patent Primary Examiner
Patent abstract
A semiconductor laser device capable of improving heat dissipativity, simplifying the fabrication process and improving the fabrication yield is obtained. This semiconductor laser device comprises a semiconductor layer formed on an emission layer while constituting a convex ridge portion, a current blocking layer consisting of a semiconductor formed to cover at least the side surfaces of the ridge portion, a first metal electrode formed to be in contact with the upper surface of the ridge portion and convex support portions arranged on both sides of the ridge portion at a prescribed interval from the ridge portion.
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