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:
Jul. 15, 2025

Filed:

Dec. 08, 2021
Applicant:

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

Inventors:

Nanbo Gong, White Plains, NY (US);

Takashi Ando, Eastchester, NY (US);

Alexander Reznicek, Troy, NY (US);

Bahman Hekmatshoartabari, White Plains, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 70/00 (2023.01); G11C 13/00 (2006.01); H10B 63/00 (2023.01); H10N 70/20 (2023.01);
U.S. Cl.
CPC ...
H10N 70/8413 (2023.02); G11C 13/0004 (2013.01); G11C 13/0069 (2013.01); H10B 63/80 (2023.02); H10N 70/021 (2023.02); H10N 70/231 (2023.02); H10N 70/826 (2023.02); H10N 70/883 (2023.02); G11C 2013/008 (2013.01); H10N 70/841 (2023.02);
Abstract

Embodiments of the present invention include a phase change memory (PCM) array. The PCM array may include a plurality of PCM cells. Each PCM cell in the plurality of PCM cells may include a top electrode, a resistive element, and a bottom electrode. The PCM array may also include a global heater surrounding the plurality of PCM cells having a thermally conductive material contacting each of the plurality of PCM cells. The global heater may be configured to receive an electric signal to heat the plurality of PCM cells simultaneously.


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