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:
Jun. 30, 2020
Filed:
Sep. 04, 2018
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Toshiba Electronic Devices & Storage Corporation, Minato-ku, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION, Minato-ku, JP;
Abstract
According to one embodiment, a semiconductor device a first electrode, a first semiconductor region, a second semiconductor region, a third semiconductor region, a fourth semiconductor region, a fifth semiconductor region, a sixth semiconductor region, a seventh semiconductor region, an eighth semiconductor region, a gate electrode, a ninth semiconductor region, and a second electrode. The first, second, and fourth semiconductor regions are provided on the first electrode. The third semiconductor region is provided between the first and second semiconductor regions. The fifth semiconductor region is provided on the first, second, third, and fourth semiconductor regions. The sixth and seventh semiconductor regions are provided on the fifth semiconductor region. The eighth semiconductor region is provided on a portion of the seventh semiconductor region. The ninth semiconductor region is provided around the sixth semiconductor region and the seventh semiconductor region. The ninth semiconductor region is positioned on the second semiconductor region.