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. 13, 2025
Filed:
Jul. 21, 2022
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Wei-Lin Chen, Tainan, TW;
Yu-Cheng Tsai, Tainan, TW;
Chun-Hao Chou, Tainan, TW;
Kuo-Cheng Lee, Tainan, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Abstract
A semiconductor image sensing structure includes a semiconductor substrate having a front side and a back side, a pixel sensor disposed in the semiconductor substrate, a transistor disposed over the front side of the semiconductor substrate, and a reflective structure disposed over the front side of the semiconductor substrate. A gate structure of the transistor and the reflective structure include a same material. A top surface of the gate structure of the transistor and a top surface of the reflective structure are aligned with each other.