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:
Jun. 17, 2025
Filed:
Jun. 15, 2022
Applicant:
Changxin Memory Technologies, Inc., Hefei, CN;
Inventors:
Assignee:
CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 63/00 (2023.01); H10N 70/00 (2023.01); H10N 70/20 (2023.01);
U.S. Cl.
CPC ...
H10N 70/253 (2023.02); H10B 63/80 (2023.02); H10N 70/066 (2023.02); H10N 70/24 (2023.02); H10N 70/8833 (2023.02);
Abstract
Embodiments of the present application relate to a resistive memory device and a preparation method thereof. The preparation method includes: providing a base; forming bit line trenches in the base; forming a resistive material layer on a sidewall and the bottom of the bit line trench; and forming a bit line structure in the bit line trench through filling, wherein a variable resistor structure includes the bit line structure and the resistive material layer.