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:
Apr. 09, 2024
Filed:
Jun. 29, 2022
Kioxia Corporation, Tokyo, JP;
Yuki Inuzuka, Yokohama Kanagawa, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
The semiconductor memory device of the embodiment includes: a substrate; a first memory pillar extending in a first direction from the substrate, the first memory pillar including first memory cell transistors, a first selection transistor, a second selection transistor, second memory cell transistors, a third selection transistor, a fourth selection transistor, third memory cell transistors, a fifth selection transistor, a sixth selection transistor, fourth memory cell transistors, a seventh selection transistor, and an eighth selection transistor; a first select gate line; first word lines; a second select gate line; a third select gate line; second word lines; a fourth select gate line; a fifth select gate line; third word lines; a sixth select gate line; a seventh select gate line; fourth word lines; and an eighth select gate line.