Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wei-Chieh Chiang0
Chien-Hsien Tseng0
Kazuaki Hashimoto0
Keng-Yu Chou0
Chen-Jong Wang0
Date of Patent
December 17, 2019
0Patent Application Number
159287480
Date Filed
March 22, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a plurality of pixel sensors arranged in an array, an isolation grid disposed in the substrate and separating the plurality of pixel sensors from each other, and a reflective grid disposed over the isolation grid on the back side of the substrate. A depth of the reflective grid is less than a depth of the isolation grid.
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