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. 12, 2022
Filed:
Sep. 03, 2020
Kioxia Corporation, Tokyo, JP;
Kotaro Noda, Yokkaichi Mie, JP;
Hiroyuki Ode, Yokkaichi Mie, JP;
KIOXIA CORPORATION, Tokyo, JP;
Abstract
A storage device includes first wiring layers extending in a first direction; second wiring layers extending in a second direction; third wiring layers extending in the second direction; a first memory cell arranged at each cross point of one second wiring layer and one first wiring layer; fourth wiring layers extending in the first direction; and a second memory cell arranged at each cross point of one fourth wiring layer and one third wiring layer. The second wiring layer has a first surface in contact with the third wiring layer and a second surface that has a portion extending in the first direction, the extended portion of the second surface being longer than the first surface in the first direction, the second surface being spaced from the first surface in the third direction.