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.

Date of Patent:
Jul. 11, 2017

Filed:

Oct. 24, 2014
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Akira Matsuzawa, Shiojiri, JP;

Toshiyuki Kamiya, Fujimi, JP;

Hiroki Kawai, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/113 (2006.01); G01L 1/16 (2006.01); H01L 41/083 (2006.01); B25J 13/08 (2006.01); G01L 5/22 (2006.01);
U.S. Cl.
CPC ...
H01L 41/1132 (2013.01); B25J 13/085 (2013.01); G01L 1/16 (2013.01); G01L 5/226 (2013.01); H01L 41/083 (2013.01);
Abstract

A sensor device includes a charge output element including a plurality of piezoelectric bodies and an internal electrode formed between the piezoelectric bodies, a package that houses the charge output element, first conductive paste electrically connected to a plurality of the internal electrodes, and second conductive paste that electrically connects the first conductive paste and an output terminal and has a modulus of elasticity lower than a modulus of elasticity of the first conductive paste. A Young's modulus of the first conductive paste is equal to or higher than 3.4 GPa and equal to or lower than 5.0 GPa and a Young's modulus of the second conductive paste is equal to or higher than 0.1 GPa and equal to or lower than 0.2 GPa.


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