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:
Oct. 22, 2019
Filed:
Mar. 08, 2018
Toshiba Memory Corporation, Tokyo, JP;
Yasuaki Ootera, Yokohama Kanagawa, JP;
Tsuyoshi Kondo, Kawasaki Kanagawa, JP;
Nobuyuki Umetsu, Kawasaki Kanagawa, JP;
Michael Arnaud Quinsat, Yokohama Kanagawa, JP;
Takuya Shimada, Kawasaki Kanagawa, JP;
Masaki Kado, Yokohama Kanagawa, JP;
Susumu Hashimoto, Nerima Tokyo, JP;
Shiho Nakamura, Fujisawa Kanagawa, JP;
Toshiba Memory Corporation, Tokyo, JP;
Abstract
According to one embodiment, a magnetic memory device includes a first magnetic portion extending in a first direction, a first magnetic layer, and a first nonmagnetic layer provided between the first magnetic layer and a portion of the first magnetic portion. The first magnetic portion has a first surface. The first surface includes bottom portions, and top portions. The bottom portions and the top portions are arranged alternately in the first direction. The bottom portions include a first bottom portion, a second bottom portion adjacent to the first bottom portion in the first direction, a third bottom portion, and a fourth bottom portion adjacent to the third bottom portion in the first direction. The top portions include a first top portion provided between the first bottom portion and the second bottom portion, and a second top portion provided between the third bottom portion and the fourth bottom portion.