Patent ID: 6808649
Filing Date: 2004-10-26
Classification: B32B,C04B,H01L

Abstract:
A soft piezoelectric ceramic composition comprising:[(Pb1-m-nSrmBan)(1-y)Biy][(ZrxTi1-x)1-a-bNiaWb]O3+pCdO wherein m,n,x,y,a and b are molar ratio, p is wt % and are in ranges, repectively, 0.00&lE;m&lE;0.18, 0.00&lE;n&lE;0.18,0.00&lE;(m+n)&lE;0.21,0.40&lE;x&lE;0.60 0.00&lE;y&lE;0.04, 0.00&lE;a&lE;0.02, 0.00&lE;b&lE;0.02, 0.00&lE;p&lE;2.00.