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 8807710 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 19, 2014

Filed:

Mar. 04, 2013
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Masahisa Nawano, Suwa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
Abstract

A piezoelectric element equipped with a piezoelectric layer and an electrode provided on the piezoelectric layer, comprising the piezoelectric layer, which is made from a complex oxide having a perovskite structure containing Bi, Fe, Ba and Ti, and which has a residual stress of 250 MPa or more, and a method of manufacturing a liquid ejecting head equipped with a piezoelectric layer and an electrode provided on the piezoelectric layer, the method including forming the piezoelectric layer, which is made from a complex oxide having a perovskite structure containing Bi, Fe, Ba and Ti, and which has a residual stress of 250 MPa or more.


Find Patent Forward Citations

Nawano, Masahisa. (2014). Method of manufacturing liquid ejecting head, piezoelectric element, and liquid ejecting device (U.S. Patent No. 8807710). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8807710

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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