Piezoelectric ceramic composition

Piezoelectric ceramic composition

  • CN 101,374,782 A
  • Filed: 12/05/2006
  • Published: 02/25/2009
  • Est. Priority Date: 02/17/2006
  • Status: Active Application
First Claim
Patent Images

1. a piezoelectric ceramic composition is characterized in that, with general formula { (1-x) (K 1-a-bNa aLi b) m (Nb 1-c-dTa cSb d) O 3-x (K 1/4Na 1/4M3 1/2) M4O 3Expression, and M3 comprises at least a metallic element that is selected among Yb, Y, In, Nd, Eu, Gd, Dy, Sm, Ho, Er, Tb and the Lu, and M4 comprises at least a metallic element that is selected among Ti, Zr and the Sn, And described x, a, b, c, d, m satisfy respectively001≦

  • x≦

    0.1、

    0≦

    a≦

    0.9、

    0≦

    b≦

    0.3、

    0≦

    a+b≦

    0.9、

    0≦

    c≦

    0.5、

    0≦

    d≦

    0.1、

    7≦

    m≦

    1.3。

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×