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:
Aug. 04, 2026
Filed:
Dec. 02, 2022
Kioxia Corporation, Tokyo, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
According to one embodiment, a semiconductor memory device includes a plurality of first contacts arranged in a staircase region on one side in a second direction of a plate-like portion and along the plate-like portion, and individually connected to at least lower conductive layers among the plurality of terraced conductive layers in a first staircase portion; and a plurality of second contacts arranged in the staircase region on another side in the second direction of the plate-like portion and along the plate-like portion, and individually connected to the at least lower conductive layers in the first staircase portion, in which the plurality of first contacts is individually arranged at different positions in the second direction relative to the plate-like portion, depending on the positions in a first direction, and the plurality of second contacts is individually arranged at positions inverted in the second direction from the respective positions of the plurality of first contacts, with respect to the plate-like portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile