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. 22, 2020
Filed:
Sep. 09, 2019
Toshiba Memory Corporation, Minato-ku, Tokyo, JP;
Shoichi Kabuyanagi, Kawasaki Kanagawa, JP;
Shosuke Fujii, Kuwana Mei, JP;
Masumi Saitoh, Yokohama Kanagawa, JP;
TOSHIBA MEMORY CORPORATION, Tokyo, JP;
Abstract
A semiconductor memory device includes a first wiring extending in a first direction, a second wiring extending in a second direction, a variable resistance film provided between these, a third wiring extending in a third direction, a first semiconductor section connected to the first wiring and the third wiring, a first gate electrode facing the first semiconductor section, a contact connected to the second wiring, a fourth wiring further from the substrate than the contact is, a second semiconductor section connected to the contact and the fourth wiring, and a second gate electrode facing the second semiconductor section. The first semiconductor section, the first gate electrode, the second semiconductor section, and the second gate electrode respectively include a portion included in a cross section extending in the second direction and the third direction.