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.:
Date of Patent:
May. 30, 2023
Filed:
Jun. 12, 2020
Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;
Zen-Fong Huang, Tainan, TW;
Fu-Cheng Chang, Tainan, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., Hsinchu, TW;
Abstract
An image sensor device includes a substrate, a deep-trench isolation structure, a buffer layer, and a light blocking structure. The substrate has a photosensitive region. The deep-trench isolation structure is in the substrate and adjacent the photosensitive region. The buffer layer is over the photosensitive region and the deep-trench isolation structure. The light blocking structure is over the buffer layer. A bottom portion of the light blocking structure is embedded in the buffer layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile