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. 04, 2025
Filed:
Sep. 14, 2022
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
James Wong, Yokohama, JP;
Kento Kawasaki, Yokohama, JP;
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
Abstract
A semiconductor device includes a substrate having a front surface including a first long side and a second long side extending in a first direction and opposed to each other, and a first short side and a second short side extending in a second direction intersecting the first direction and opposed to each other, a source finger provided on the front surface, a drain finger provided on the front surface, and a gate finger provided on the front surface and sandwiched between the source finger and the drain finger, wherein a via hole penetrating the substrate is provided in the substrate, a region where the via hole is connected to the source finger in the front surface is contained within the source finger, and the via hole has a maximum width in the first direction larger than a maximum width in the second direction.