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:
Aug. 25, 2015
Filed:
Jan. 29, 2013
Kabushiki Kaisha Toshiba, Tokyo, JP;
Haruka Kusai, Yokohama, JP;
Kiwamu Sakuma, Yokohama, JP;
Masao Shingu, Yokkaichi, JP;
Shosuke Fujii, Fujisawa, JP;
Masahiro Kiyotoshi, Yokkaichi, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Abstract
According to one embodiment, a nonvolatile semiconductor memory device includes a fin structure stacked in order of a first oxide layer, a semiconductor layer and a second oxide layer in a first direction perpendicular to a surface of the semiconductor substrate, the fin structure extending in a second direction parallel to the surface of the semiconductor substrate, and a gate structure stacked in order of a gate oxide layer, a charge storage layer, a block insulating layer and a control gate electrode in a third direction perpendicular to the first and second directions from a surface of the semiconductor layer in the third direction.