Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Minoru Niigaki0
Kazutoshi Nakajima0
Date of Patent
May 8, 2007
Patent Application Number
10864797
Date Filed
June 10, 2004
Patent Primary Examiner
Patent abstract
A semiconductor light-receiving device has a substrate including upper, middle and lower regions in its front side. A p-type layer on the lower region has a top surface including a portion on a level with the middle region. An electrode covers at least part of the boundary between the portion of the p-type layer and the middle region. An n-type layer on the p-type layer has a top surface including a portion on a level with the upper region. Another electrode covers at least part of the boundary between the portion of the n-type layer and the upper region.
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