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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 11864467 B1

PDFFull Text
Date of Patent:
Jan. 02, 2024

Filed:

Aug. 30, 2021

Mram fabrication and device

Applicant:

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

Inventors:

Jung-Tang Wu, Kaohsiung, TW;

Wu Meng Yu, Taichung, TW;

Szu-Hua Wu, Zhubei, TW;

Chin-Szu Lee, Taoyuan, TW;

Han-Ting Tsai, Kaoshiung, TW;

Yu-Jen Chien, Hsinchu, TW;

Assignee:

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Hsinchu, TW;

Attorney:

Slater Matsil, LLP

Primary Examiner:

Thinh T Nguyen

Int. Cl.
CPC ...
H10N 50/01 (2023.01); H01F 41/34 (2006.01); G11C 11/16 (2006.01); H01F 10/32 (2006.01); H10B 61/00 (2023.01); H10N 50/80 (2023.01);
U.S. Cl.
CPC ...
H10N 50/01 (2023.02); G11C 11/161 (2013.01); H01F 10/3254 (2013.01); H01F 41/34 (2013.01); H10B 61/00 (2023.02); H10N 50/80 (2023.02);
Abstract

A top electrode of a magnetoresistive random access memory (MRAM) device over a magnetic tunnel junction (MTJ) is formed using a film of titanium nitride oriented in a (111) crystal structure rather than a top electrode which uses tantalum, tantalum nitride, and/or a multilayer including tantalum and tantalum nitride.

Find Patent Forward Citations

Wu, Jung-Tang. (2024). Mram fabrication and device (U.S. Patent No. 11864467). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11864467

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

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