logo

For the Inventor, By the Inventor

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.

Patent No.:

US 12588217 B1

PDFFull Text
Date of Patent:
Mar. 24, 2026

Filed:

Dec. 15, 2021

Programming current control for artificial intelligence (ai) devices

Applicant:

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

Inventors:

Injo Ok, Loudonville, NY (US);

Soon-Cheon Seo, Glenmont, NY (US);

Youngseok Kim, Upper Saddle River, NJ (US);

Timothy Mathew Philip, Albany, NY (US);

Alexander Reznicek, Troy, NY (US);

Assignee:

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

Attorney:

Samuel A. Waldbaum

Primary Examiner:

Mounir S Amer

Int. Cl.
CPC ...
H10B 63/00 (2023.01); H10N 70/00 (2023.01); H10N 70/20 (2023.01);
U.S. Cl.
CPC ...
H10B 63/20 (2023.02); H10N 70/063 (2023.02); H10N 70/231 (2023.02); H10N 70/826 (2023.02); H10N 70/8413 (2023.02); H10N 70/8828 (2023.02);
Abstract

Techniques for controlling the programming current of a PCM-based AI device using an external resistor are provided. In one aspect, a PCM cell includes: a PCM stack, that has a bottom electrode; a heater disposed directly on the bottom electrode; a PCM unit including a first material disposed on the heater; a top electrode including a second material disposed on the PCM unit; and a resistor adjacent to the PCM stack, wherein the resistor includes a combination of the first material and the second material. A PCM device that includes at least one of the PCM cells, and a method of forming the PCM cell are also provided.

Find Patent Forward Citations

Ok, Injo. (2026). Programming current control for artificial intelligence (ai) devices (U.S. Patent No. 12588217). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12588217

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…