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:
Apr. 14, 2026

Filed:

Feb. 27, 2024
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Takeshi Sugimoto, Kamakura Kanagawa, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/06 (2006.01); G11C 5/10 (2006.01); G11C 11/4076 (2006.01); G11C 11/4091 (2006.01); G11C 11/4096 (2006.01);
U.S. Cl.
CPC ...
G11C 5/10 (2013.01); G11C 11/4076 (2013.01); G11C 11/4091 (2013.01); G11C 11/4096 (2013.01);
Abstract

A memory device includes memory cells for each of layers arranged in a first direction, the memory cells of each layer including groups of memory cells, the memory cells of each group being arranged in a second direction intersecting the first direction, the groups being arranged in a third direction intersecting the first and second directions, first wirings arranged in the third direction in each layer and respectively connected to the groups in each layer, first transistors each connected to a corresponding first wiring, second wirings each connected to the first transistors of a corresponding layer, third wirings each extending in the first direction and connected to a memory cell in each layer, and fourth wirings each extending in the first direction and connected to a gate of a corresponding first transistor in each layer.


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