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. 03, 2024
Filed:
Jan. 18, 2019
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Hirohisa Saito, Osaka, JP;
Shigeru Nakayama, Osaka, JP;
Yoshihiro Imagawa, Osaka, JP;
Keiichiro Geshi, Osaka, JP;
Yuichiro Yamanaka, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/25 (2006.01); C04B 35/443 (2006.01); H03H 9/02 (2006.01); H03H 9/64 (2006.01);
U.S. Cl.
CPC ...
H03H 9/25 (2013.01); C04B 35/443 (2013.01); H03H 9/02559 (2013.01); H03H 9/02574 (2013.01); H03H 9/6413 (2013.01);
Abstract
Provided is a joined body including a piezoelectric substrate and a polycrystalline spinel substrate provided on one main surface of the piezoelectric substrate, wherein the polycrystalline spinel substrate has a porosity of 0.005% or more and 0.6% or less.