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:
Apr. 21, 2020
Filed:
Feb. 25, 2019
Applicant:
Toshiba Memory Corporation, Minato-ku, Tokyo, JP;
Inventor:
Koji Yamakawa, Mie, JP;
Assignee:
TOSHIBA MEMORY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 45/00 (2006.01); H01L 27/24 (2006.01);
U.S. Cl.
CPC ...
H01L 45/06 (2013.01); H01L 27/2481 (2013.01); H01L 45/1253 (2013.01); H01L 45/141 (2013.01); H01L 45/1616 (2013.01); H01L 45/1675 (2013.01);
Abstract
A semiconductor memory device includes a first electrode and a second electrode opposed to each other in a first direction, a phase-change film provided between the first electrode and the second electrode, a first film formed of an insulator provided on a side surface of the phase-change film in a second direction intersecting the first direction, and a second film formed of a conductor containing carbon and provided along a side surface of the phase-change film in the second direction with the first film interposed between the second film and the side surface.