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:
Nov. 18, 2014

Filed:

Aug. 28, 2013
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventor:

Nobutaka Watanabe, Mei-ken, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01); H01L 29/49 (2006.01); H01L 29/417 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
H01L 29/78 (2013.01); H01L 29/49 (2013.01); H01L 29/41725 (2013.01);
Abstract

According to one embodiment, a nonvolatile semiconductor memory device includes a foundation layer; and a stacked body provided on the foundation layer, each of a plurality of electrode layers and each of a plurality of insulating layers being stacked alternately in the stacked body; a select gate electrode provided on the stacked body; and a semiconductor layer extending from an upper end of the select gate electrode to a lower end of the stacked body. The stacked body includes a plurality of staircase regions. The each of the plurality of electrode layers includes an exposed portion. The exposed portion is not covered with the plurality of electrode layers other than the each of the plurality of electrode layers and the plurality of insulating layers. And the exposed portion of each of the plurality of electrode layers is disposed in one of the plurality of staircase regions.


Find Patent Forward Citations

Watanabe, Nobutaka. (2014). Nonvolatile semiconductor memory device (U.S. Patent No. 8890229). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8890229

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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