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:
Sep. 08, 2026
Filed:
Jul. 27, 2023
Applicant:
Kioxia Corporation, Tokyo, JP;
Inventors:
Taichi Iwasaki, Yokkaichi Mie, JP;
Keisuke Kubota, Yokkaichi Mie, JP;
Assignee:
Kioxia Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 80/00 (2026.01); H10W 90/00 (2026.01); H10W 80/00 (2026.01);
U.S. Cl.
CPC ...
H10B 80/00 (2023.02); H10W 90/00 (2026.01); H10W 80/312 (2026.01); H10W 80/327 (2026.01); H10W 90/792 (2026.01);
Abstract
According to one embodiment, a memory device includes a first substrate and a second substrate. The first substrate is provided with a first circuit layer on a front surface. The first circuit layer includes a CMOS circuit. The second substrate has a front surface that faces the first substrate. The second substrate is provided with a second circuit layer on the front surface contacting the first circuit layer. The second substrate includes a memory circuit and transistors of a silicon-on-insulator (SOI) structure.