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:
Mar. 06, 2018
Filed:
Sep. 06, 2016
Toshiba Memory Corporation, Tokyo, JP;
Masayuki Kitamura, Mie, JP;
Atsuko Sakata, Mie, JP;
Satoshi Wakatsuki, Mie, JP;
Takeshi Ishizaki, Aichi, JP;
Daisuke Ikeno, Mie, JP;
Tomotaka Ariga, Mie, JP;
Toshiba Memory Corporation, Tokyo, JP;
Abstract
According to one embodiment, an insulating layer is provided above a stairstep portion of a stacked body. A first cover film is provided between the stairstep portion and the insulating layer. The first cover film is of a material different from the insulating layer. A separation portion divides the stacked body and the insulating layer. A second cover film is provided at a side surface of the insulating layer on the separation portion side. The second cover film is of a material different from the insulating layer.