Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukio Yamasaki0
Shuichiro Yamamoto0
Toshiyuki Kawakami0
Date of Patent
May 25, 2010
0Patent Application Number
116053050
Date Filed
November 29, 2006
0Patent Primary Examiner
Patent abstract
At each side of a ridge stripe 110, a trench is formed as a region carved relative to a wafer surface so that, at the time of cleaving, a surface irregularity that develops at a mirror facet near an active layer is prevented from reaching the ridge stripe 110.
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