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:
Sep. 26, 2023

Filed:

Sep. 21, 2020
Applicant:

Winbond Electronics Corp., Taichung, TW;

Inventors:

Po-Yen Hsu, Taichung, TW;

Bo-Lun Wu, Taichung, TW;

Shih-Ning Tsai, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 70/00 (2023.01); H10B 63/00 (2023.01); H10N 70/20 (2023.01);
U.S. Cl.
CPC ...
H10N 70/841 (2023.02); H10B 63/00 (2023.02); H10N 70/063 (2023.02); H10N 70/24 (2023.02); H10N 70/8833 (2023.02);
Abstract

Provided is a resistive random access memory (RRAM) including a first electrode layer and a second electrode layer disposed opposite to each other, a variable resistance layer located between the first electrode layer and the second electrode layer, an oxygen exchange layer located between the variable resistance layer and the second electrode layer, a conductive layer laterally surrounding a sidewall of the oxygen exchange layer, a first barrier layer located between the conductive layer and the oxygen exchange layer and between the oxygen exchange layer and the variable resistance layer, and a second barrier layer located between the conductive layer and the second electrode layer and between the second electrode layer and the oxygen exchange layer.


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