Piezoelectric element and piezoelectric actuator

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United States of America Patent

PATENT NO 10749101
APP PUB NO 20170155033A1
SERIAL NO

15363800

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A piezoelectric element includes a piezoelectric body, a first electrode, a second electrode, a third electrode, and a first through hole conductor. The piezoelectric body includes first and second main surfaces opposing each other, and first and second end surfaces opposing each other. The first electrode is disposed on the first main surface. The second electrode is disposed apart from the first electrode on the first main surface. The third electrode is disposed in the piezoelectric body to oppose the first electrode. The first through hole conductor is connected to the second and third electrodes. The piezoelectric body includes an active region and an inactive region. The active region includes a region from the first electrode to the third electrode. The inactive region includes a region from the third electrode to the second main surface.

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Patent Owner(s)

Patent OwnerAddress
TDK CORPORATION2-5-1 NIHONBASHI CHUO-KU TOKYO 103-6128

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikeda, Yoshiki Minato-ku, JP 10 46
Nagata, Kazuo Minato-ku, JP 21 476
Ono, Shuto Minato-ku, JP 9 21
Saito, Syogo Minato-ku, JP 1 2

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