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:
Jan. 24, 2012
Filed:
Feb. 28, 2011
Applicants:
Atsushi Isobe, Kodaira, JP;
Nobuhiko Shibagaki, Kokubunji, JP;
Kengo Asai, Hachioji, JP;
Hisanori Matsumoto, Kokubunji, JP;
Inventors:
Atsushi Isobe, Kodaira, JP;
Nobuhiko Shibagaki, Kokubunji, JP;
Kengo Asai, Hachioji, JP;
Hisanori Matsumoto, Kokubunji, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compact resonator has a wide bandwidth and a small variation of the specific vibration frequency. The resonator is a thin film tuning-fork type inflection resonator in which a thin film made of a piezoelectric material is formed on a substrate on which a lower electrode is formed, and an upper electrode is formed on the piezoelectric thin film.