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. 19, 2022

Filed:

Jan. 25, 2019
Applicant:

Taiyo Yuden Co., Ltd., Tokyo, JP;

Inventors:

Tomohiro Harada, Takasaki, JP;

Takayuki Goto, Takasaki, JP;

Hiroyuki Shimizu, Takasaki, JP;

Sumiaki Kishimoto, Takasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/083 (2006.01); H01L 41/047 (2006.01); H01L 41/09 (2006.01);
U.S. Cl.
CPC ...
H01L 41/083 (2013.01); H01L 41/0471 (2013.01); H01L 41/0477 (2013.01); H01L 41/09 (2013.01); H01L 41/094 (2013.01);
Abstract

A multi-layer piezoelectric ceramic component includes: a piezoelectric ceramic body having a cuboid shape, having upper and lower surfaces facing in a thickness direction, first and second end surfaces facing in a length direction, and a pair of side surfaces facing in a width direction, and including first and second regions; first internal electrodes in the first region; second internal electrodes in the second region; third internal electrodes in the first and second regions; a first terminal electrode formed on the first end surface and electrically connected to the first internal electrodes; a second terminal electrode formed on the first end surface and electrically connected to the second internal electrodes; a third terminal electrode formed on the second end surface and electrically connected to the third internal electrodes; a first surface electrode formed on the upper surface; and a second surface electrode formed on the lower surface.


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