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:
Jul. 02, 2019
Filed:
Feb. 03, 2017
Kouhei Kurimoto, Muroran-shi, Hokkaido, JP;
Kazuhito Kishida, Shinagawa-ku, Tokyo, JP;
Rinzo Kayano, Muroran-shi, Hokkaido, JP;
Waseda University, Shinjuku-ku, Tokyo, JP;
Shoji Kakio, Kofu-shi, Yamanashi, JP;
Kouhei Kurimoto, Hokkaido, JP;
Kazuhito Kishida, Tokyo, JP;
Rinzo Kayano, Hokkaido, JP;
Jun Mizuno, Tokyo, JP;
Shoji Kakio, Yamanashi, JP;
THE JAPAN STEEL WORKS, LTD., Tokyo, JP;
WASEDA UNIVERSITY, Tokyo, JP;
UNIVERSITY OF YAMANASHI, Yamanashi, JP;
Abstract
There is provided a bonded substrate including: a quartz substrate; and a piezoelectric substrate which is bonded on the quartz substrate and on which a surface acoustic wave propagates, wherein the quartz substrate and the piezoelectric substrate are bonded at a bonding interface through covalent bonding, and a surface acoustic wave element having a higher phase velocity and a higher electromechanical coupling factor than conventional one is obtained by disposing an interdigital electrode on a principal surface of the piezoelectric substrate.