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:
Aug. 26, 2025

Filed:

Dec. 08, 2021
Applicant:

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

Inventors:

Kangguo Cheng, Schenectady, NY (US);

Carl Radens, LaGrangeville, NY (US);

Ruilong Xie, Niskayuna, NY (US);

Juntao Li, Cohoes, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H10B 63/00 (2023.01); H10N 70/00 (2023.01); H10N 70/20 (2023.01);
U.S. Cl.
CPC ...
H10N 70/231 (2023.02); H10B 63/84 (2023.02); H10N 70/021 (2023.02); H10N 70/826 (2023.02); H10N 70/841 (2023.02); H10N 70/882 (2023.02);
Abstract

A stacked phase change memory structure having a cross-point architecture is provided. The stacked phase change memory structure includes at least two phase change material element-containing structures stacked one atop the other. Each phase change material element-containing structure of the plurality of phase change material element-containing structures has a cross-point architecture and includes, from bottom to top, at least one bottom electrode, a phase change material element, and a top electrode.


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