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:
Nov. 17, 2015
Filed:
Sep. 04, 2013
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Keishi Sakanushi, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Abstract
According to one embodiment, a semiconductor memory device includes a semiconductor substrate, a memory cell array including a plurality of stacked memory cells, a plurality of first wirings electrically connected to the plurality of memory cells, a plurality of first contacts electrically connected to part of the plurality of first wirings and arranged in a first direction parallel to the semiconductor substrate, a plurality of second contacts electrically connected to part of the plurality of first wirings and arranged in the first direction alternately with the first contacts, a plurality of third contacts electrically connected to the first contacts and displaced from the first contacts in the first direction, and a plurality of fourth contacts electrically connected to the second contacts and displaced from the second contacts in a second direction perpendicular to the first direction.