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:
Dec. 16, 2025
Filed:
Jun. 29, 2023
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Ming-Hsien Yang, Taichung, TW;
Chia-Yu Wei, Tainan, TW;
Chun-Hao Chou, Tainan, TW;
Kuo-Cheng Lee, Tainan, TW;
Chung-Liang Cheng, Changhua County, TW;
Sheng-Chau Chen, Tainan, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Abstract
A stacked CMOS image sensor (CIS) structure is provided. The stacked CIS structure comprises a first die, a second die and a third die. The first die comprises a photodiode, a transfer gate, a selective conversion gain (SCG) switch, a reset switch, a floating node diffusion capacitor and a SCG diffusion capacitor. The second die comprises a source follower transistor and a row select switch. The third die comprises an image sensing circuit electrically connected to the third floating node.