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:
Oct. 27, 2026
Filed:
Sep. 07, 2023
Kioxia Corporation, Tokyo, JP;
Kazuki Akamine, Yokkaichi Mie, JP;
Shigeki Kobayashi, Kuwana Mie, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor storage device includes: a stacked body in which a plurality of electrically conductive layers is stacked with an insulating layer interposed in between; and a circuit section that is provided to overlap with the stacked body in a stack direction. The stacked body includes a memory section in which a plurality of memory cells is disposed and a staircase section in which the plurality of electrically conductive layers has stepped ends. The circuit section includes row decoders that are joined to the plurality of electrically conductive layers. The staircase section includes a first structure in which the row decoders are provided to overlap with each other in the stack direction and a second structure different from the first structure. The second structure has a greater step gap than a step gap of the first structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile