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:
Apr. 08, 2025

Filed:

Apr. 18, 2023
Applicant:

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

Inventors:

Tai-Yen Peng, Hsinchu, TW;

Yu-Feng Yin, Hsinchu, TW;

An-Shen Chang, Jubei, TW;

Han-Ting Tsai, Kaoshiung, TW;

Qiang Fu, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 50/80 (2023.01); G11C 11/16 (2006.01); H10B 61/00 (2023.01); H10N 50/01 (2023.01);
U.S. Cl.
CPC ...
H10N 50/80 (2023.02); G11C 11/161 (2013.01); G11C 11/1655 (2013.01); G11C 11/1657 (2013.01); H10B 61/22 (2023.02); H10N 50/01 (2023.02);
Abstract

In an embodiment, a device includes: a magnetoresistive random access memory (MRAM) array including MRAM cells arranged in rows and columns, where a first column of the columns includes: first bottom electrodes arranged along the first column; first magnetic tunnel junction (MTJ) stacks over the first bottom electrodes; a first shared electrode over each of the first MTJ stacks; second bottom electrodes arranged along the first column; second MTJ stacks over the second bottom electrodes; a second shared electrode over each of the second MTJ stacks; and a bit line electrically connected to the first shared electrode and the second shared electrode.


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