Invention Grant
US09276193B2 Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generator
有权
压电材料，压电元件，液体喷射头，液体喷射装置，超声波传感器，压电马达和发电机
- Patent Title: Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generator
- Patent Title (中): 压电材料，压电元件，液体喷射头，液体喷射装置，超声波传感器，压电马达和发电机
-
Application No.: US14226086Application Date: 2014-03-26
-
Publication No.: US09276193B2Publication Date: 2016-03-01
- Inventor: Koji Sumi , Kazuya Kitada , Tomohiro Sakai , Yasuaki Hamada , Tetsuya Isshiki , Satoshi Kimura , Akio Ito , Tsuneo Handa
- Applicant: Seiko Epson Corporation
- Applicant Address: JP
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2013-137280 20130628; JP2014-001901 20140108
- Main IPC: B41J2/045
- IPC: B41J2/045 ; H01L41/18 ; B41J2/14 ; C04B35/468 ; C04B35/475 ; H01L41/187 ; B06B1/06 ; H02N2/00 ; H02N2/18 ; C04B35/462 ; B41J2/16
Abstract:
A piezoelectric material contains a first component that is a rhombohedral crystal that is configured to have a complex oxide with a perovskite structure and Curie temperature Tc1, a second component that is a crystal other than a rhombohedral crystal that is configured to have a complex oxide with the perovskite structure and Curie temperature Tc2, and a third component that is configured to have a complex oxide with the perovskite structure in which the component is formed as the same crystal system as the second component and Curie temperature Tc3, in which Tc1 is higher than Tc2, and Tc3 is equal to or higher than Tc1.
Public/Granted literature
Information query
IPC分类:
