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:
May. 14, 2024
Filed:
Apr. 15, 2021
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/02 (2006.01); H03H 9/25 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02574 (2013.01); H03H 9/02559 (2013.01); H03H 9/25 (2013.01);
Abstract
A bonded body includes a supporting substrate composed of a metal oxide, a piezoelectric material substrate, a bonding layer provided between the supporting substrate and piezoelectric material substrate and having a composition of SiO(0.008≤x≤0.408), and an amorphous layer provided between the bonding layer and supporting substrate. The oxygen ratio of the amorphous layer is higher than the oxygen ratio of the supporting substrate.