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:
Feb. 13, 2024
Filed:
Aug. 11, 2021
Kioxia Corporation, Tokyo, JP;
Kazutaka Ikegami, Inagi, JP;
Hidehiro Shiga, Yokohama, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor storage device includes a first word line, a second word line provided in the same layer with the first word line and configured to be controlled independently from the first word line, a plurality of memory pillars between the first word line and the second word line, each of the plurality of memory pillars including a first memory cell facing to the first word line and a second memory cell facing to the second word line, the plurality of memory pillars being arranged in a first direction and a second direction intersecting to the first direction and a control circuit. The control circuit is configured to perform a write operation to the second memory cell included in the plurality of memory pillars after performing a write operation to the first memory cell included in each of the plurality of memory pillars.