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. 27, 2021
Filed:
Mar. 11, 2019
Toshiba Memory Corporation, Tokyo, JP;
Satoshi Nagashima, Yokkaichi Mie, JP;
Keisuke Nakatsuka, Kobe Hyogo, JP;
Fumitaka Arai, Yokkaichi Mie, JP;
Shinya Arai, Yokkaichi Mie, JP;
Yasuhiro Uchiyama, Yokkaichi Mie, JP;
TOSHIBA MEMORY CORPORATION, Tokyo, JP;
Abstract
According to one embodiment, a semiconductor memory device includes: first and second signal lines; a first memory cell storing first information by applying voltage across the first signal line and a first interconnect layer; a second memory cell storing second information by applying voltage across the second signal line and a second interconnect layer; a first conductive layer provided on the first and second signal lines; third and fourth signal lines provided on the first conductive layer; a third memory cell storing third information by applying voltage across the third signal line and a third interconnect layer; and a fourth memory cell storing fourth information by applying voltage across the fourth signal line and a fourth interconnect layer.