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:
May. 27, 2025
Filed:
Jun. 16, 2021
Kioxia Corporation, Tokyo, JP;
Kazuhiro Nojima, Mie, JP;
Kohei Yuki, Yokkaichi, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
According to one embodiment, a semiconductor memory device includes a stacked layer body including conductive and insulating layers alternately stacked in a first direction, partition structures each extending in first and second directions in the stacked layer body, and an intermediate structure extending from an upper end and terminating at a position between upper and lower ends of the stacked layer body between adjacent partition structures. The partition structures include a first partition structure including first and second portions arranged in the second direction, the first portion extends from the upper end to the lower end, and the second portion is located between adjacent first portions, extends from the upper end and terminates at the position between the upper and lower ends.