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:
Oct. 14, 2025

Filed:

Mar. 06, 2023
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventors:

Tsuneo Uenaka, Yokkaichi Mie, JP;

Tomoya Inden, Yokkaichi Mie, JP;

Shigehiro Yamakita, Yokkaichi Mie, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01); G11C 7/06 (2006.01); G11C 7/18 (2006.01);
U.S. Cl.
CPC ...
G11C 7/1039 (2013.01); G11C 7/06 (2013.01); G11C 7/18 (2013.01);
Abstract

According to one embodiment, a memory device includes a first silicon substrate, a second silicon substrate, and a memory cell array. A first CMOS circuit is formed on the first silicon substrate. The second silicon substrate is provided above the first silicon substrate in a stacking direction. A second CMOS circuit is formed on the second silicon substrate. The memory cell array is provided above the second silicon substrate in the stacking direction. The memory cell array is connected to the first CMOS circuit and the second CMOS circuit and includes a plurality of memory cells arranged in the stacking direction of the first silicon substrate and the second silicon substrate.


Find Patent Forward Citations

Uenaka, Tsuneo. (2025). Memory device with memory array connected to circuits in different stacked substrates (U.S. Patent No. 12444448). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12444448

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

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