Title:
圧電／電歪焼結体、及び圧電／電歪素子
Document Type and Number:
Japanese Patent JP5662197
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lead-free piezoelectric/electrostrictive sintered compact which exhibits a high distortion rate even under the application of a high electric field as well as a low electric field.SOLUTION: The piezoelectric/electrostrictive sintered compact 1 is obtained by firing a composition comprising: a first component including a first perovskite type oxide expressed by general formula (1): {Li(NaK)}(NbTaSb)O, a compound of one or more kinds of selective elements selected from a group consisting of Ba, Sr, Ca, La, Ce, Nd, Sm, Dy, Ho and Yb, and an Mn compound; a second component as a second perovskite type oxide expressed by general formula (2): {Ba(KNa)}(ZrNb)O; and a third component including Zn as the main component. The content of the third component in the sintered compact lies in a range where a different phase derived from Zn in the sintered compact is not caused, and also, the a, x, y, z, w, p and t satisfy prescribed conditions in the sintered body.
Inventors:
海川 和之
田中 立
田中 立
Application Number:
JP2011036499A
Publication Date:
January 28, 2015
Filing Date:
February 23, 2011
Export Citation:
Assignee:
日本碍子株式会社
International Classes:
C04B35/00; H01L41/08; H01L41/083; H01L41/09; H01L41/18; H01L41/187; H01L41/22; H01L41/257; H01L41/333; H01L41/39; H03H9/17
Attorney, Agent or Firm:
Patent business corporation Pros Peck patent firm