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:
Mar. 11, 2025

Filed:

Mar. 02, 2022
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Timothy Mathew Philip, Albany, NY (US);

Jin Ping Han, Yorktown Heights, NY (US);

Kevin W. Brew, Niskayuna, NY (US);

Ching-Tzu Chen, Ossining, NY (US);

Injo Ok, Loudonville, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 70/20 (2023.01); G11C 13/00 (2006.01); H10N 70/00 (2023.01);
U.S. Cl.
CPC ...
H10N 70/231 (2023.02); G11C 13/004 (2013.01); H10N 70/021 (2023.02); H10N 70/826 (2023.02); H10N 70/8616 (2023.02); G11C 13/0004 (2013.01); G11C 2013/0045 (2013.01);
Abstract

A first phase change material layer vertically aligned above a bottom electrode, a dielectric layer vertically aligned above the first phase change material layer, a second phase change material layer vertically aligned above the dielectric layer, an inner electrode physically and electrically connected to the first phase change material layer and the second phase change material layer, the inner electrode surrounded by the dielectric layer, a top electrode vertically aligned above the second phase change material layer. A first phase change material layer vertically aligned above a bottom electrode, a filament layer vertically aligned above the first phase change material layer, a second phase change material layer vertically aligned above the filament layer, an inner break in the filament layer connecting the first phase change material layer and the second phase change material layer, a top electrode vertically aligned above the second phase change material layer.


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