Invention Grant
- Patent Title: Piezoelectric ceramic composition constituted by Ag-segregated sintered body of zirconate-titanate type perovskite composition
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Application No.: US14973671Application Date: 2015-12-17
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Publication No.: US09614142B2Publication Date: 2017-04-04
- Inventor: Shinichiro Ikemi , Yutaka Doshida
- Applicant: TAIYO YUDEN CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: TAIYO YUDEN CO., LTD.
- Current Assignee: TAIYO YUDEN CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Law Office of Katsuhiro Arai
- Priority: JP2011-278228 20111220
- Main IPC: H01L41/18
- IPC: H01L41/18 ; H01L41/187 ; C04B35/493 ; C04B35/626 ; H01L41/43 ; H01L41/047 ; C04B35/495 ; C04B35/491 ; C04B35/499 ; C04B35/50
Abstract:
A piezoelectric ceramic composition contains a perovskite composition which is represented by (Pba·Rex){Zrb·Tic, ·(Ni1/3Nb2/3)d·(Zn1/3Nb2/3)e}O3 (wherein Re represents La and/or Nd, and a-e and x satisfy the following conditions 0.95≦a≦1.05, 0≦x≦0.05, 0.35≦b≦0.45, 0.35≦c≦0.45, 0
Public/Granted literature
- US20160104832A1 PIEZOELECTRIC CERAMIC COMPOSITION Public/Granted day:2016-04-14
Information query
IPC分类:
