Patent ID: 9166140
Filing Date: 2015-10-20
Classification: B06B,B41J,C04B,G02B,H01L,H02N,H04N

Abstract:
1. A piezoelectric material comprising: a main component containing a perovskite-type metal oxide expressed by the following general formula (1); a first subcomponent containing Mn; a second subcomponent containing Li; and a third subcomponent containing Bi, wherein the content of Mn on a metal basis is not less than 0.04 parts by weight and is not greater than 0.36 parts by weight when the metal oxide is 100 parts by weight, the content a of Li on a metal basis is equal to or less than 0.0012 parts by weight (including 0 parts by weight) when the metal oxide is 100 parts by weight, and content β of Bi on a metal basis is not less than 0.042 parts by weight and is not greater than 0.850 parts by weight when the metal oxide is 100 parts by weight (in the formula (1), 0.09≦x≦0.30, 0.025≦y≦0.085, 0≦z≦0.02, and 0.986≦a≦1.02).