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:
Apr. 02, 2013
Filed:
Jul. 14, 2011
Kazutaka Inoue, Kanagawa, JP;
Kazutaka Inoue, Kanagawa, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A semiconductor device includes source fingers and drain fingers provided on an active region of a nitride semiconductor layer alternately, gate fingers having a side edge and a distal edge, a first insulation film provided on the nitride semiconductor layer and covers a top face, the side and distal edges of the gate fingers, field plates provided on the first insulation film between the gate fingers and the drain fingers, a minimum distance between the side face of the first insulation film located on the side edge of the gate fingers and the field plate being at least 100 nm, and field plate interconnections provided on the first insulation film and located outside of the active region and electrically connected with the source fingers and the field plates, a minimum distance between the side face of the first insulation film located on the distal edge of the gate fingers and the field plate interconnections being at least 100 nm.