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. 10, 2025
Filed:
Mar. 30, 2021
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
Tadashi Minami, Yokohama, JP;
Sumitomo Electric Device Innovations, Inc., Yokohama, JP;
Abstract
An amplification device includes a base substrate, an amplification element, and a matching circuit board. The amplification element is mounted on the base substrate. The matching circuit board is mounted on the base substrate and includes a circuit pattern which is electrically connected to the amplification element. The matching circuit board includes a first side surface and a second side surface each extending in the longitudinal direction of the matching circuit board. A first recess is provided in the first side surface. A second recess facing the first recess is provided in the second side surface.