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.

Date of Patent:
Feb. 27, 2018

Filed:

Jan. 11, 2017
Applicant:

Toshiba Memory Corporation, Minato-ku, JP;

Inventors:

Kiwamu Sakuma, Yokohama, JP;

Atsuhiro Kinoshita, Kamakura, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/115 (2017.01); H01L 29/792 (2006.01); H01L 29/78 (2006.01); H01L 27/11578 (2017.01); H01L 27/11519 (2017.01); H01L 27/11524 (2017.01); H01L 27/11551 (2017.01); H01L 27/11565 (2017.01);
U.S. Cl.
CPC ...
H01L 27/11578 (2013.01); H01L 27/11519 (2013.01); H01L 27/11524 (2013.01); H01L 27/11551 (2013.01); H01L 27/11565 (2013.01); H01L 29/785 (2013.01); H01L 29/792 (2013.01);
Abstract

According to one embodiment, a memory device includes first and second fin type stacked structures each includes first to i-th memory strings (i is a natural number except 1) that are stacked in a first direction, the first and second fin type stacked structures which extend in a second direction and which are adjacent in a third direction, a first portion connected to one end in the second direction of the first fin type stacked structure, a width in the third direction of the first portion being greater than a width in the third direction of the first fin type stacked structure, and a second portion connected to one end in the second direction of the second fin type stacked structure, a width in the third direction of the second portion being greater than a width in the third direction of the second fin type stacked structure.


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