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:
Mar. 24, 2026

Filed:

Sep. 01, 2023
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Hiroshi Kanno, Yokkaichi Mie, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 43/27 (2023.01); H10B 41/27 (2023.01);
U.S. Cl.
CPC ...
H10B 43/27 (2023.02); H10B 41/27 (2023.02);
Abstract

According to one embodiment, a semiconductor memory device includes a first wiring layer above a first semiconductor layer in a first direction and a second wiring layer above the first semiconductor layer and spaced from the first wiring layer in a second direction. A first memory pillar extends through the first wiring layer. A second memory pillar extends through the second wiring layer. A member is between the first and second wiring layers in the second direction and includes a first conductor contacting the first semiconductor layer, a first insulator between the wiring layers and the first conductor, and a plurality of second insulators arranged along a third direction and between the first conductor and the first semiconductor layer in the first direction.


Find Patent Forward Citations

Kanno, Hiroshi. (2026). Semiconductor memory device (U.S. Patent No. 12588210). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12588210

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…