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:
Sep. 26, 2023
Filed:
Sep. 13, 2021
Kioxia Corporation, Tokyo, JP;
Kyosuke Sano, Kamakura, JP;
Kazutaka Ikegami, Inagi, JP;
Takashi Maeda, Kamakura, JP;
Rieko Funatsuki, Yokohama, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor memory device of embodiments includes: a substrate; a memory pillar; first to sixth conductive layers provided above the substrate; first to sixth memory cells formed between the first to sixth conductive layers and the memory pillar, respectively; and a control circuit. The control circuit applies a first voltage to the first, second, a sixth conductive layer and applies a second voltage to the third, fifth conductive layer, then applies a third voltage to the first conductive layer, applies a fourth voltage to the sixth conductive layer, and applies a fifth voltage to the second conductive layer, and then applies a sixth voltage to the first conductive layer, applies a seventh voltage to the sixth conductive layer, and applies an eighth voltage lower than the fifth voltage to the second conductive layer.