Liquid ejection head and liquid jet apparatus
    1.
    发明授权
    Liquid ejection head and liquid jet apparatus 有权
    液体喷射头和液体喷射装置

    公开(公告)号:US08322828B2

    公开(公告)日:2012-12-04

    申请号:US12499415

    申请日:2009-07-08

    摘要: A liquid jet head includes: a nozzle plate having a nozzle opening; a pressure chamber substrate having a pressure chamber communicating with the nozzle opening and formed above the nozzle plate; a vibration formed on one side of the pressure chamber substrate; and a piezoelectric element formed above the vibration plate and provided at a position corresponding to the pressure chamber, wherein the piezoelectric element includes two electrodes, a piezoelectric layer provided between the electrodes, and an orientation layer that is provided between one of the electrodes closer to the vibration plate and the piezoelectric layer, wherein the orientation layer includes a mixed crystal of lanthanum nickelate, and the lanthanum nickelate included in the mixed crystal is expressed by a formula LaxNiyOz, where x is an integer of any of 1 to 3, y is 1 or 2, and z is an integer of any of 2 to 7.

    摘要翻译: 液体喷射头包括:具有喷嘴开口的喷嘴板; 压力室基板,其具有与喷嘴开口连通并形成在喷嘴板上方的压力室; 形成在压力室基板的一侧的振动; 以及压电元件,其形成在所述振动板的上方并且设置在与所述压力室对应的位置处,其中,所述压电元件包括​​两个电极,设置在所述电极之间的压电层,以及设置在所述电极之间的更接近 所述振动板和所述压电层,其中所述取向层包括镍酸镧的混合晶体,并且所述混合晶体中包含的所述镍酸镧由式LaxNiyOz表示,其中x是1至3中任一项的整数,y是 1或2,z为2〜7任意的整数。