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:
Jul. 14, 2026
Filed:
Mar. 04, 2022
Kioxia Corporation, Tokyo, JP;
Yusuke Kobayashi, Kuwana, JP;
KIOXIA CORPORATION, Tokyo, JP;
Abstract
A semiconductor storage device includes conductive layers and inter-layer insulating layers alternately arranged over a substrate having a first region and a second region arranged in a first direction; and a first structure provided in a second region of the substrate. The first structure includes: a plurality of third regions provided at first positions corresponding to at least some of the plurality of conductive layers, respectively, and a plurality of fourth regions provided at second positions corresponding to at least some of the plurality of inter-layer insulating layers, respectively. A first width of the plurality of third regions in the first direction is greater than a second width of the plurality of fourth regions in the first direction.