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.:
Date of Patent:
Jul. 15, 2014
Filed:
Oct. 31, 2012
Seiko Epson Corporation, Tokyo, JP;
Xiaoxing Wang, Chino, JP;
Seiko Epson Corporation, , JP;
Abstract
A liquid ejecting head for discharging liquid from nozzle openings is provided. The liquid ejecting head includes a piezoelectric element comprising a piezoelectric film inserted between electrodes with buffer layer on one or two surfaces of the piezoelectric film, wherein the piezoelectric film is made from barium titanate-based composition having a perovskite structure containing barium, titanium as well as copper equal to or less than 3 mol % of titanium amount, lithium more than or equal to 2 mol % and less than or equal to 5 mol % of titanium amount, and boron more than or equal to 2 mol % and less than or equal to 5 mol % of titanium amount and the buffer layer is formed from a complex oxides with perovskite structure containing bismuth, iron, manganese, barium and titanium.