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:
Jan. 16, 2018
Filed:
Sep. 06, 2016
Toshiba Memory Corporation, Tokyo, JP;
Toshiba Memory Corporation, Tokyo, JP;
Abstract
According to one embodiment, the stacked body includes a plurality of electrode layers stacked with an insulator interposed. The electrode layers have a plurality of terrace portions arranged in a stairstep configuration with a difference in levels. The insulating layer is provided above the terrace portions. The columnar portions extend in a stacking direction of the stacked body through the insulating layer and through the stacked body under the insulating layer. The columnar portions are insulative. The contact portions are provided at side surfaces of the columnar portions on the terrace portions. The contact portions are connected to the terrace portions.