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:
Nov. 19, 2019
Filed:
Aug. 03, 2017
Toshiba Memory Corporation, Minato-ku, JP;
Masatoshi Watarai, Fujisawa, JP;
Masanori Hatakeyama, Kawasaki, JP;
Takuya Kusaka, Kawasaki, JP;
Kazunori Masuda, Yokohama, JP;
Masato Endo, Yokohama, JP;
Koichi Fukuda, Fujisawa, JP;
Masato Sugawara, Kawasaki, JP;
Toshiba Memory Corporation, Minato-ku, JP;
Abstract
According to one embodiment, the insulating layer is provided on the terrace portions. The plurality of contact portions extend through the insulating layer in the stacking direction and contact the terrace portions. The second columnar portion extends through the insulating layer and through the second stacked portion in the stacking direction, and includes a second semiconductor body contacting the first semiconductor region. The first insulating portion divides the first semiconductor region in the first direction. The first insulating portion is provided under a boundary portion between the first stacked portion and the second stacked portion.