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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11532658 B1

PDFFull Text
Date of Patent:
Dec. 20, 2022

Filed:

Jan. 17, 2020

Image sensor grid and method of fabrication of same

Applicant:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Inventors:

Chin-Yu Lin, Taichung, TW;

Keng-Ying Liao, Tainan, TW;

Su-Yu Yeh, Tainan, TW;

Po-Zen Chen, Tainan, TW;

Huai-Jen Tung, Tainan, TW;

Hsien-Li Chen, Tainan, TW;

Assignee:

TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., Hsinchu, TW;

Attorney:

Maschoff Brennan

Primary Examiner:

Ali Naraghi

Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14629 (2013.01); H01L 27/1464 (2013.01); H01L 27/14621 (2013.01); H01L 27/14627 (2013.01); H01L 27/14636 (2013.01); H01L 27/14645 (2013.01); H01L 27/14687 (2013.01); H01L 27/14689 (2013.01);
Abstract

An image sensor structure includes a semiconductor device, a plurality of image sensing elements formed in the semiconductor substrate, an interconnect structure formed on the semiconductor substrate, and a composite grid structure over the semiconductor substrate. The composite grid structure includes a tungsten grid, an oxide grid over the tungsten grid, and an adhesion enhancement grid spacing the tungsten grid from the oxide grid.

Find Patent Forward Citations

Lin, Chin-Yu. (2022). Image sensor grid and method of fabrication of same (U.S. Patent No. 11532658). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11532658

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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