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:
Mar. 22, 2022
Filed:
Mar. 24, 2020
International Business Machines Corporation, Armonk, NY (US);
Timothy Mathew Philip, Albany, NY (US);
Nicole Saulnier, Slingerlands, NY (US);
Lawrence A. Clevenger, Saratoga Springs, NY (US);
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
A method of forming a phase change memory device is provided. The method includes forming a spacer layer on a substrate, and forming a heater terminal contact in the spacer layer. The method further includes forming a liner layer on the heater terminal contact and the spacer layer, and forming a heater terminal in electrical contact with the heater terminal contact in the liner layer. The method further includes forming a conductive projection segment on the heater terminal. The method further includes forming a phase change material layer on the conductive projection segment, and forming a phase change material terminal on the phase change material layer, wherein an electrical current can pass between the heater terminal and the phase change material terminal through the phase change material layer.