Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuhito Miyazaki0
Hirotaka Takahashi0
Masaharu Muramatsu0
Date of Patent
August 10, 2021
0Patent Application Number
201804020
Date Filed
April 2, 2018
0Patent abstract
An optical semiconductor device includes a semiconductor substrate having a plurality of photoelectric conversion parts and having a trench formed to separate the plurality of photoelectric conversion parts from each other, an insulating layer formed on at least an inner surface of the trench, a boron layer formed on the insulating layer, and a metal layer formed on the boron layer.
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