Piezoelectric ceramic material
    2.
    发明授权
    Piezoelectric ceramic material 有权
    压电陶瓷材料

    公开(公告)号:US06461532B1

    公开(公告)日:2002-10-08

    申请号:US09696960

    申请日:2000-10-27

    IPC分类号: C04B35462

    CPC分类号: H01L41/187 C04B35/475

    摘要: A piezoelectric ceramic material comprising a bismuth layer compound containing MII, Bi, Ti and O wherein MII is selected from Sr, Ba and Ca, and containing MIIBi4Ti4O15 type crystals, wherein MII, is represented by SrxBayCaz wherein x+y+z=1, utilizes thickness shear vibration when 0≦x≦ 1, 0≦y≦0.9, and 0≦z≦1, and thickness extensional vibration when 0≦x

    摘要翻译: 一种包含含有MII,Bi,Ti和O的铋层化合物的压电陶瓷材料,其中MII选自Sr,Ba和Ca,并含有MIIBi4Ti4O15型晶体,其中MII由SrxBayCaz表示,其中x + y + z = 1, 当0 <= x <= 1,0 <= y <= 0.9,0 <= z <= 1时使用厚度剪切振动,当0 <= x <0.9,0 <= y <= 0.9时, 0 <= z <1。 还提供了包含含有Ca,Bi,Ti,Ln和0的铋层化合物的压电陶瓷材料,其中Ln是镧系元素,并且含有CaBi 4 Ti 4 O 15型晶体,其中原子比Ln /(Ln + Ca)在以下范围内: 0