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:
May. 13, 2025

Filed:

May. 12, 2021
Applicant:

Tetramem Inc., Fremont, CA (US);

Inventors:

Minxian Zhang, Amherst, MA (US);

Ning Ge, Danville, CA (US);

Assignee:

TetraMem Inc., Fremont, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 70/00 (2023.01); H10B 63/00 (2023.01);
U.S. Cl.
CPC ...
H10N 70/841 (2023.02); H10B 63/80 (2023.02); H10N 70/026 (2023.02); H10N 70/8833 (2023.02);
Abstract

The present disclosure relates to resistive random-access memory (RRAM) devices. In some embodiments, a RRAM device may include a first electrode; a second electrode comprising an alloy containing tantalum; and a switching oxide layer positioned between the first electrode and the second electrode, wherein the switching oxide layer includes at least one transition metal oxide. The alloy containing tantalum may further contain at least one of hafnium, molybdenum, tungsten, niobium, or zirconium. In some embodiments, the alloy containing tantalum may include one or more of a binary alloy containing tantalum, a ternary alloy containing tantalum, a quaternary alloy containing tantalum, a quinary alloy containing tantalum, a senary alloy containing tantalum, and a high order alloy containing tantalum.


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