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:
Aug. 08, 2017
Filed:
Mar. 09, 2015
Tdk Corporation, Tokyo, JP;
Takeshi Yanata, Tokyo, JP;
Yo Saito, Tokyo, JP;
Kazuto Takeya, Tokyo, JP;
Katsunari Moriai, Tokyo, JP;
Takashi Inagaki, Tokyo, JP;
Takahiro Itami, Tokyo, JP;
Takeshi Oyanagi, Tokyo, JP;
Hitoshi Ishida, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
Provided is a piezoelectric device capable of improving measurement precision of a temperature of a piezoelectric element. A piezoelectric device () includes a package () including a housing member () having a thermistor substrate () and a frame () provided to project from a first main surface () of the thermistor substrate () and in which a housing part () is formed by the first main surface () and the frame () and a lid () provided on the frame () to cover a space () of the housing part (), and a piezoelectric vibration element () provided on the first main surface () of the thermistor substrate () in the housing part (), wherein the thermistor substrate () is a multilayer negative temperature coefficient (NTC) thermistor.