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.:
Date of Patent:
Oct. 01, 2024
Filed:
Sep. 13, 2021
International Business Machines Corporation, Armonk, NY (US);
Heng Wu, Guilderland, NY (US);
Tian Shen, Clifton Park, NY (US);
Kevin W. Brew, Niskayuna, NY (US);
Jingyun Zhang, Albany, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A phase change memory, a system, and a method to prevent high resistance drift within a phase change memory through a phase change memory cell with three terminals and self-aligned metal contacts. The phase change memory may include a bottom electrode. The phase change memory may also include a heater proximately connected to the bottom electrode. The phase change memory may also include a phase change material proximately connected to the heater. The phase change memory may also include metal proximately connected to at least two sides of the phase change material. The phase change memory may also include three terminals, where a bottom terminal is located at an area proximately connected to the heater and two top terminals are located at areas proximately connected to the metal.