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.:

US 9601684 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 21, 2017

Filed:

May. 21, 2014
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;

Inventors:

Boum-Seock Kim, Suwon-Si, KR;

Kyung-Mi Kim, Suwon-Si, KR;

Seung Ho Lee, Suwon-Si, KR;

Kyung-Lock Kim, Suwon-Si, KR;

Jung-Wook Seo, Suwon-Si, KR;

Assignee:

SAMSUNG ELECTRO-MECHANICS CO., LTD., Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01); H01L 41/09 (2006.01); H01L 41/083 (2006.01); B06B 1/06 (2006.01);
U.S. Cl.
CPC ...
H01L 41/0838 (2013.01); B06B 1/0603 (2013.01); H01L 41/1876 (2013.01);
Abstract

Disclosed are a piezoelectric element and a piezoelectric vibrator having the same. The piezoelectric element and the piezoelectric vibrator having the same in accordance with an embodiment of the present invention include: a piezoelectric material formed by laminating a plurality of ceramic layers with one another; internal electrodes formed, respectively, on surfaces of the ceramic layers; and a pair of cover layers formed, respectively, above and below the piezoelectric material in order to protect the internal electrodes, and at least one of the cover layers includes: a plurality of crystal grains; and crack inhibiting particles disposed at boundaries between the plurality of crystal grains and configured to inhibit a crack from spreading in the cover layers.


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Kim, Boum-Seock. (2017). Piezoelectric element and piezoelectric vibrator having the same (U.S. Patent No. 9601684). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9601684

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