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. 17, 2018
Filed:
Mar. 13, 2017
Applicant:
Toshiba Memory Corporation, Minato-ku, JP;
Inventor:
Hiroshi Shinohara, Yokosuka, JP;
Assignee:
TOSHIBA MEMORY CORPORATION, Minato-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); H01L 23/528 (2006.01); H01L 27/11556 (2017.01); H01L 27/11582 (2017.01);
U.S. Cl.
CPC ...
H01L 23/5283 (2013.01); H01L 27/11556 (2013.01); H01L 27/11582 (2013.01);
Abstract
According to one embodiment, a semiconductor memory device includes a wiring layer, an insulating layer, a contact plug, a pillar and a pad. The wiring layer is electrically connected to a memory cell. The insulating layer is provided on the wiring layer. The contact plug is provided in the insulating layer and is electrically connected to an end of the wiring layer. The pillar is provided through the wiring layer and the insulating layer which are located between the memory cell and the contact plug. The pad is electrically connected to one end of the pillar.