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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 10199557 B1

PDFFull Text
Date of Patent:
Feb. 05, 2019

Filed:

Sep. 29, 2016

Piezoelectric film, piezoelectric film element, piezoelectric actuator, piezoelectric sensor, hard-disk drive and ink jet printer head

Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Yuiko Hirose, Tokyo, JP;

Shirou Ootsuki, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

J San Martin

Int. Cl.
CPC ...
H01L 41/08 (2006.01); H01L 41/187 (2006.01); B41J 2/14 (2006.01); H01L 41/09 (2006.01); H01L 41/113 (2006.01); H01L 41/316 (2013.01);
U.S. Cl.
CPC ...
H01L 41/0805 (2013.01); B41J 2/14153 (2013.01); B41J 2/14233 (2013.01); H01L 41/187 (2013.01); H01L 41/1873 (2013.01); B41J 2002/14354 (2013.01); H01L 41/0973 (2013.01); H01L 41/1132 (2013.01); H01L 41/316 (2013.01);
Abstract

A piezoelectric film containing (K,Na)NbOas the main component, wherein, when a surface of the piezoelectric film was observed in a field view within a specified range, a plurality of first crystals and a plurality of second crystals are arranged in the surface of the piezoelectric film, wherein, the first crystal has a slender shape orientating toward the first orientation along the surface, and the second crystal has a slender shape orientating toward the second orientation which crosses with the first orientation along the surface.

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Hirose, Yuiko. (2019). Piezoelectric film, piezoelectric film element, piezoelectric actuator, piezoelectric sensor, hard-disk drive and ink jet printer head (U.S. Patent No. 10199557). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10199557

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