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. 19, 2025
Filed:
Mar. 04, 2022
Kioxia Corporation, Tokyo, JP;
Ippei Kume, Mie, JP;
KIOXIA CORPORATION, Tokyo, JP;
Abstract
According to one embodiment, a semiconductor memory device includes: a first chip including first conductive layers arranged at intervals in a first direction, a first semiconductor layer extending through an inside of the first conductive layers in the first direction, a first insulating film between the first semiconductor layer and the first conductive layers, a second semiconductor layer provided above the first conductive layers and in contact with the first semiconductor layer, and a first electrode provided in contact with an upper side of the second semiconductor layer; and a second chip including a second electrode in contact with the first electrode, and a second conductive layer in contact with the second electrode.