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.

Date of Patent:
Jun. 23, 2026

Filed:

Jun. 15, 2022
Applicant:

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

Inventors:

Wen-Ling Lu, Taoyuan, TW;

Yu-Chien Chiu, Hsinchu, TW;

Chih-Yu Chang, New Taipei, TW;

Hung-Wei Li, Hsinchu, TW;

Ya-Yun Cheng, Taichung, TW;

Zhiqiang Wu, Hsinchu, TW;

Yu-Ming Lin, Hsinchu, TW;

Mauricio Manfrini, Hsinchu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10B 51/20 (2023.01); G11C 11/22 (2006.01); H10B 51/10 (2023.01);
U.S. Cl.
CPC ...
H10B 51/20 (2023.02); G11C 11/223 (2013.01); H10B 51/10 (2023.02);
Abstract

Various embodiments of the present disclosure provide a memory device and methods of forming the same. In one embodiment, a memory device is provided. The memory device includes a first oxide material having a first sidewall and a second sidewall, a first spacer layer in contact with the first sidewall of the first oxide material, the first spacer layer having a first conductivity type, a second spacer layer in contact with the second sidewall of the first oxide material, wherein the second spacer layer has the first conductivity type. The memory device also includes a channel layer having a second conductivity type that is opposite to the first conductivity type, wherein the channel layer is in contact with the first oxide material, the first spacer layer, and the second spacer layer. The memory device further includes a ferroelectric layer in contact with the channel layer.


Find Patent Forward Citations

Lu, Wen-Ling. (2026). Semiconductor device structure and methods of forming the same (U.S. Patent No. 12666621). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12666621

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

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