Back to results
US 9,312,469 B2Granted
Ceramic
AssigneeUniversity of Leeds
InventorsAndrew John Bell, Timothy Comyn
Life of this patent
Estimating the term…
Abstract
The present invention relates to a ceramic comprising (or consisting essentially of) a solid solution containing Bi, K, Ti and Fe (and optionally Pb) which exhibits piezoelectric behavior.
Claims11
A ceramic comprising a solid solution of formula:
- x(BiaK1-a)TiO3-yBiFeO3-zPbTiO3
- wherein 0.4≦a≦0.6;
- 0<x<1;
- 0<y<1;
- 0<z≦0.5;
- and
- x+y+z=1,
- wherein the ceramic is substantially free of non-perovskite phases.
5 more elements
Dependencies are inferred from the claim text.