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. 12, 2024

Filed:

Oct. 18, 2021
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventors:

Naoki Yamamoto, Kuwana, JP;

Yu Hirotsu, Kuwana, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/66 (2006.01); H01L 21/768 (2006.01); H10B 43/10 (2023.01); H10B 43/27 (2023.01); H10B 43/50 (2023.01);
U.S. Cl.
CPC ...
H01L 22/30 (2013.01); H01L 21/76816 (2013.01); H01L 22/12 (2013.01); H10B 43/10 (2023.02); H10B 43/27 (2023.02); H10B 43/50 (2023.02);
Abstract

A semiconductor memory according to an embodiment includes first and second areas, an active region, a non-active region, a first stacked body, a plurality of first pillars, a first contact, a second stacked body, and a second contact. The active region includes part of each of the first and second areas. The non-active region includes part of each of the first and second areas. The second stacked body is in the non-active region. The second stacked body includes second insulators and second conductors which are alternately stacked. A second contact is in contact with a second conductor in a first interconnect layer and a second conductor in a second interconnect layer.


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