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 8339017 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 25, 2012

Filed:

Aug. 29, 2006
Applicants:

Junya Shoji, Kirishima, JP;

Masahiro Inagaki, Kirishima, JP;

Shigenobu Nakamura, Kirishima, JP;

Inventors:

Junya Shoji, Kirishima, JP;

Masahiro Inagaki, Kirishima, JP;

Shigenobu Nakamura, Kirishima, JP;

Assignee:

Kyocera Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/083 (2006.01);
U.S. Cl.
CPC ...
Abstract

To provide a multi-layer piezoelectric element having high strength against breakage, high insulation and excellent displacement performance, and an injection apparatus that incorporates the same. The multi-layer piezoelectric element comprising a stackconstituted from a plurality of piezoelectric layersstacked one on another via internal electrode layers, wherein at least a part of peripheral areas, that are disposed between two piezoelectric layerslocated adjacently in the stacking direction and are located between an edgeof the internal electrode layerand side faceof the stack, is dispersed areas where a plurality of metallic regions are dispersed via voids


Find Patent Forward Citations

Shoji, Junya. (2012). Multi-layer piezoelectric element and injection apparatus using the same (U.S. Patent No. 8339017). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8339017

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