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. 19, 2012
Filed:
Apr. 09, 2010
Wataru Saito, Kanagawa-ken, JP;
Yasunobu Saito, Tokyo, JP;
Takao Noda, Kanagawa-ken, JP;
Hidetoshi Fujimoto, Kanagawa-ken, JP;
Tetsuya Ohno, Kanagawa-ken, JP;
Wataru Saito, Kanagawa-ken, JP;
Yasunobu Saito, Tokyo, JP;
Takao Noda, Kanagawa-ken, JP;
Hidetoshi Fujimoto, Kanagawa-ken, JP;
Tetsuya Ohno, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A nitride semiconductor device includes: a first layer made of a first nitride semiconductor; a second layer provided on the first layer and made of a second nitride semiconductor having a larger band gap than the first nitride semiconductor; a first electrode electrically connected to the second layer; a second electrode provided on the second layer and juxtaposed to the first electrode in a first direction; and a floating electrode provided on the second layer, the floating electrode including: a portion sandwiched by the second electrode in a second direction orthogonal to the first direction; and a portion protruding from the second electrode toward the first electrode.