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:
Sep. 05, 2023
Filed:
Oct. 08, 2019
Sumitomo Riko Company Limited, Aichi, JP;
Katsuhiko Nakano, Aichi, JP;
Masaki Nasu, Aichi, JP;
Koichi Hasegawa, Aichi, JP;
Shinya Tahara, Aichi, JP;
Sumitomo Riko Company Limited, Aichi, JP;
Abstract
Provided is a transducer that can be manufactured without using a volatile adhesive or an organic solvent. A transducer is provided with: a first electrode sheet provided with a plurality of first through-holes; a dielectric layer, of which a first surface is disposed on the first-electrode-sheet side; and a first fusion-bonding layer formed from a fusion-bonding material, the first fusion-bonding layer joining together, by fusion bonding of the fusion-bonding material, a boundary region between a body portion of the dielectric layer and a first inner surface of the first electrode sheet and a boundary region between the body portion of the dielectric layer and a first inner circumferential surface of at least some of the plurality of first through-holes.