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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 12464726 B1

PDFFull Text
Date of Patent:
Nov. 04, 2025

Filed:

Apr. 10, 2024

Three-dimensional memory device and method

Applicant:

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

Inventors:

Feng-Cheng Yang, Zhudong Township, TW;

Meng-Han Lin, Hsinchu, TW;

Han-Jong Chia, Hsinchu, TW;

Sheng-Chen Wang, Hsinchu, TW;

Chung-Te Lin, Tainan, TW;

Assignee:

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

Attorney:

Slater Matsil, LLP

Primary Examiner:

S M Sohel Imtiaz

Int. Cl.
CPC ...
H10B 51/20 (2023.01); G11C 5/06 (2006.01); G11C 11/22 (2006.01); H10D 30/01 (2025.01); H10D 30/69 (2025.01); H10D 84/03 (2025.01); H10D 88/00 (2025.01);
U.S. Cl.
CPC ...
H10B 51/20 (2023.02); G11C 5/06 (2013.01); G11C 11/223 (2013.01); H10D 30/0415 (2025.01); H10D 30/701 (2025.01); H10D 84/038 (2025.01); H10D 88/01 (2025.01);
Abstract

A semiconductor device and method of manufacture are provided. In embodiments a memory array is formed by manufacturing portions of a word line during different and separate processes, thereby allowing the portions formed first to act as a structural support during later processes that would otherwise cause undesired damage to the structures.

Find Patent Forward Citations

Yang, Feng-Cheng. (2025). Three-dimensional memory device and method (U.S. Patent No. 12464726). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12464726

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

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