Piezoelectric element unit and driving device

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United States of America Patent

PATENT NO 9691964
APP PUB NO 20150243876A1
SERIAL NO

14604271

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A piezoelectric element unit comprises an element body having an active part and an inactive part; and a first resin part bonding one end surface in the laminating direction of the element body to a mounting surface of a joint member placed to face the one end surface. The first resin part covers the mounting surface up to an outer side surface of the element body corresponding to an interface between the active part and the inactive part, a second resin part covers an outer surface of the first resin part covering the outer side surface of the element body at a position corresponding to the interface between the active part and the inactive part, and the second resin part also integrally covers the outer side surface of the element body corresponding to the active part.

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Patent Owner(s)

Patent OwnerAddress
TDK CORPORATIONSHIBAURA RENASITE TOWER 3-9-1 SHIBAURA MINATO-KU TOKYO 108-0023

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Akio Tokyo, JP 11 56
Ozawa, Satoshi Tokyo, JP 96 1353
Shimazaki, Kohsuke Tokyo, JP 5 24
Taguchi, Haruo Tokyo, JP 23 231
Tamura, Atsushi Tokyo, JP 62 319

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