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. 29, 2026
Filed:
Mar. 04, 2024
Kioxia Corporation, Tokyo, JP;
Kenta Shimomura, Kuwana Mie, JP;
Karin Takayama, Yokkaichi Mie, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor memory device includes a first conductive film, a semiconductor layer on the first conductive film, a stacked body having a plurality of conductive layers insulated from each other and stacked above the semiconductor layer in a stacking direction, a semiconductor film extending through the stacked body and the first conductive film in the stacking direction, an insulating film extending in the stacking direction between the plurality of conductive layers in the stacked body and the semiconductor film, and a second conductive film containing carbon, that is in direct contact with the first conductive film and with one end or a side surface of the semiconductor film.