Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yun-Wei Cheng0
Hsun-Ying Huang0
Kuo-Cheng Lee0
Yin-Chieh Huang0
Chun-Hao Chou0
Date of Patent
November 16, 2021
0Patent Application Number
167414050
Date Filed
January 13, 2020
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure relates to an image sensor with a pad structure formed during a front-end-of-line process. The pad structure can be formed prior to formation of back side deep trench isolation structures and metal grid structures. An opening is formed on a back side of the image sensor device to expose the embedded pad structure and to form electrical connections.
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