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:
Dec. 10, 2024

Filed:

Jul. 10, 2023
Applicant:

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

Inventor:

Chao-I Wu, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 70/00 (2023.01); H10B 63/00 (2023.01); H10N 70/20 (2023.01);
U.S. Cl.
CPC ...
H10N 70/826 (2023.02); H10B 63/24 (2023.02); H10N 70/063 (2023.02); H10N 70/231 (2023.02); H10N 70/841 (2023.02); H10N 70/8613 (2023.02); H10N 70/8828 (2023.02);
Abstract

Memory devices and methods of forming the same are provided. A memory device includes a substrate, a first conductive layer, a phase change layer, a selector layer and a second conductive layer. The first conductive layer is disposed over the substrate. The phase change layer is disposed over the first conductive layer. The selector layer is disposed between the phase change layer and the first conductive layer. The second conductive layer is disposed over the phase change layer. In some embodiments, at least one of the phase change layer and the selector layer has a narrow-middle profile.


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