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. 11, 2020
Filed:
Aug. 31, 2018
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Yoshiaki Asao, Tsukuba, JP;
Misako Morota, Taito, JP;
Yoshiki Kamata, Tsukuba, JP;
Yukihiro Nomura, Taito, JP;
Iwao Kunishima, Yokohama, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
According to one embodiment, a nonvolatile memory device includes a first conductive portion, an insulating film surrounding a side surface of the first conductive portion, an intermediate layer provided on the first conductive portion and the insulating film, a first film including a first portion provided on the intermediate layer and at least one second portion provided in the intermediate layer and outside an upper edge of the first conductive portion, the first film including, above the first conductive portion, a resistance change portion that has a first resistance state and a second resistance state having resistance higher than resistance in the first resistance state, and a second conductive portion provided at least on the resistance change portion.