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    • 38. 发明授权
    • Liquid ejection head and method of manufacturing the same
    • 液体喷射头及其制造方法
    • US08950850B2
    • 2015-02-10
    • US13915919
    • 2013-06-12
    • Canon Kabushiki Kaisha
    • Shinan Wang
    • B41J2/045H01L41/22B41J2/14B41J2/16
    • B41J2/14201B41J2/14209B41J2/1609B41J2/1621B41J2/1631B41J2/1634B41J2/1642B41J2/1646Y10T29/42
    • A liquid ejection head has a plurality of pressure chambers each communicating with an ejection port at one end and with an ink supply port at the other end. Each of the pressure chambers has lateral walls formed by piezoelectric elements and configured so as to eject ink from the corresponding ejection port as a result of a capacity change of the pressure chamber due to an expansion or contraction of the piezoelectric elements. The liquid ejection head is constituted by a plate-shaped piezoelectric portion and a plurality of column-shaped piezoelectric portions arranged thereon. The plate-shaped piezoelectric portion has a plurality of holes and a plurality of through holes located around the holes. Each of the column-shaped piezoelectric portions has a hollow section. Each hole of the plate-shaped piezoelectric portion and the hollow section of the corresponding column-shaped piezoelectric portion form a pressure chamber.
    • 液体喷射头具有多个压力室,每个压力室在一端与排出口连通,另一端与供墨口连通。 每个压力室具有由压电元件形成的侧壁,并且构造成由于压电元件的膨胀或收缩而导致压力室的容量变化而从相应的喷射口喷出墨。 液体喷射头由布置在其上的板状压电部分和多个柱状压电部件构成。 板状压电部具有多个孔和位于孔附近的多个通孔。 每个柱状压电部分都具有中空部分。 板状压电部的各孔和相应的柱状压电部的中空部形成压力室。
    • 39. 发明授权
    • Liquid discharge head
    • 排液头
    • US08939557B2
    • 2015-01-27
    • US13911425
    • 2013-06-06
    • Canon Kabushiki Kaisha
    • Hiroshi Netsu
    • B41J2/045B41J2/14B41J2/16
    • B41J2/14233B41J2/14209B41J2/1609B41J2/1631B41J2/1634B41J2/1642B41J2/1645B41J2202/11
    • In a liquid discharge head including a surface plate having a plurality of discharge ports and a liquid discharge body having a discharge portion, the discharge portion and an opening are alternately arranged on the liquid discharge body and the liquid discharge body includes a bonding unit formed by combining two piezoelectric material plates. Each piezoelectric material plate is provided with a plurality of grooves on a first surface and has a first electrode on one side wall surface and the bottom of the groove of the piezoelectric material plate, a second electrode on the other side wall surface, and a third electrode on a second surface. Each piezoelectric material plate is polarized in a direction connecting the first electrode and the second electrode, and also in a direction connecting the first electrode and the third electrode, and the two piezoelectric material plates are bonded so that the first surfaces face each other to form the bonding unit.
    • 在包括具有多个排出口的表面板和具有排出部分的液体排出体的排液头中,排出部分和开口交替地布置在排液体上,并且液体排出体包括由 组合两个压电材料板。 每个压电材料板在第一表面上设置有多个凹槽,并且在压电材料板的一个侧壁表面和凹槽的底部上具有第一电极,在另一个侧壁表面上具有第二电极, 电极在第二表面上。 每个压电材料板在连接第一电极和第二电极的方向以及连接第一电极和第三电极的方向上极化,并且两个压电材料板被接合,使得第一表面彼此面对以形成 接合单元。