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:
Apr. 11, 2023
Filed:
Jun. 16, 2022
Applicant:
Nihon Dempa Kogyo Co., Ltd., Tokyo, JP;
Inventor:
Tomonori Abe, Saitama, JP;
Assignee:
NIHON DEMPA KOGYO CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/32 (2006.01); H03B 5/00 (2006.01);
U.S. Cl.
CPC ...
H03B 5/32 (2013.01); H03B 5/00 (2013.01);
Abstract
A quartz crystal device includes a package, a pedestal, and a crystal element. The pedestal is disposed in the package. The crystal element is bonded to the pedestal at four points. An angle formed by a center line connecting midpoints of both short sides of the crystal element and a straight line connecting a center point of the center line and each of bonding points is 22° or more and 30° or less.