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:
Dec. 09, 2025
Filed:
Feb. 24, 2022
Kioxia Corporation, Tokyo, JP;
Yoshikazu Hosomura, Kamakura Kanagawa, JP;
Hideyuki Kataoka, Yokohama Kanagawa, JP;
Yoshinao Suzuki, Yokohama Kanagawa, JP;
Mai Shimizu, Kamakura Kanagawa, JP;
Kazuyoshi Muraoka, Yokohama Kanagawa, JP;
Masami Masuda, Chigasaki Kanagawa, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor storage device includes a memory cell array having a plurality of first conductive layers stacked in a first direction and a plurality of memory cells connected to the plurality of first conductive layers, a wiring layer, and an insulating layer between the memory cell array and the wiring layer and separating the memory cell array and the wiring layer in a second direction intersecting the first direction. The wiring layer includes a plurality of second conductive layers stacked in the first direction, each of the second conductive layers having a corresponding first conductive layer at a same layer, and a contact connected to at least a part of the plurality of second conductive layers and extending in the first direction.