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    LIQUID DISCHARGE HEAD AND RECORDING DEVICE USING SAME
    1.
    发明授权
    LIQUID DISCHARGE HEAD AND RECORDING DEVICE USING SAME 有权

    公开(公告)号：EP2447073B1

    公开(公告)日：2018-08-08

    申请号：EP10792194.2

    申请日：2010-06-25

    Applicant: Kyocera Corporation

    Inventor： MATSUMOTO,Ayumu ,  IKEUCHI,Wataru

    IPC: B41J2/045 ,  B41J2/055 ,  B41J2/14

    CPC classification number: B41J2/14209 ,  B41J2002/14217 ,  B41J2002/14225 ,  B41J2002/14306 ,  B41J2002/14459 ,  B41J2002/14491 ,  B41J2202/11 ,  B41J2202/20

    Abstract: The present invention provides a liquid discharge head less susceptible to crosstalk between displacement elements adjacent to each other, and a recording device using the liquid discharge head. The liquid discharge head includes a plate-shaped passage member providing a plurality of liquid pressurizing chambers of identical shape which open into a main surface and are arranged in a matrix shape, a plurality of liquid discharge holes, and a plurality of individual supply paths; and a plate-shaped piezoelectric actuator having a common electrode, a piezoelectric layer, and a plurality of individual electrodes laminated on a diaphragm. The plate-shaped passage member and the plate-shaped piezoelectric actuator are laminated one upon another so that the diaphragm and the piezoelectric layer cover the plurality of liquid pressurizing chambers. In a plan view of the liquid discharge head, an opening of each of the liquid pressurizing chambers is a polygonal shape having at least one acute angle shaped corner. A connection electrode led out to outside the liquid pressurizing chamber in the liquid pressurizing chamber and the individual electrode is disposed in a parallelogram shaped region including two sides holding therebetween an acute angle shaped corner of the liquid pressurizing chamber, and two corners adjacent to the corner.

    LIQUID DISCHARGE HEAD AND RECORDING DEVICE USING SAME
    2.
    发明公开
    LIQUID DISCHARGE HEAD AND RECORDING DEVICE USING SAME 审中-公开
    液体排出头和记录设备

    公开(公告)号：EP2447073A1

    公开(公告)日：2012-05-02

    申请号：EP10792194.2

    申请日：2010-06-25

    Applicant: Kyocera Corporation

    Inventor： MATSUMOTO,Ayumu ,  IKEUCHI,Wataru

    IPC: B41J2/045 ,  B41J2/055

    CPC classification number: B41J2/14209 ,  B41J2002/14217 ,  B41J2002/14225 ,  B41J2002/14306 ,  B41J2002/14459 ,  B41J2002/14491 ,  B41J2202/11 ,  B41J2202/20

    Abstract: The present invention provides a liquid discharge head less susceptible to crosstalk between displacement elements adjacent to each other, and a recording device using the liquid discharge head. The liquid discharge head includes a plate-shaped passage member providing a plurality of liquid pressurizing chambers of identical shape which open into a main surface and are arranged in a matrix shape, a plurality of liquid discharge holes, and a plurality of individual supply paths; and a plate-shaped piezoelectric actuator having a common electrode, a piezoelectric layer, and a plurality of individual electrodes laminated on a diaphragm. The plate-shaped passage member and the plate-shaped piezoelectric actuator are laminated one upon another so that the diaphragm and the piezoelectric layer cover the plurality of liquid pressurizing chambers. In a plan view of the liquid discharge head, an opening of each of the liquid pressurizing chambers is a polygonal shape having at least one acute angle shaped corner. A connection electrode led out to outside the liquid pressurizing chamber in the liquid pressurizing chamber and the individual electrode is disposed in a parallelogram shaped region including two sides holding therebetween an acute angle shaped corner of the liquid pressurizing chamber, and two corners adjacent to the corner.

    LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS EMPLOYING THE SAME, AND RECORDING DEVICE
    4.
    发明公开
    LIQUID DISCHARGE HEAD, LIQUID DISCHARGE APPARATUS EMPLOYING THE SAME, AND RECORDING DEVICE 有权
    FLÜSSIGKEITSABGABEKOPF，FLÜSSIGKEITSABGABEVORRICHTUNGDAMIT UND AUFZEICHNUNGSVORRICHTUNG

    公开(公告)号：EP2495101A1

    公开(公告)日：2012-09-05

    申请号：EP10826823.6

    申请日：2010-10-28

    Applicant: Kyocera Corporation

    Inventor： MATSUMOTO,Ayumu ,  HOZUMI,Daisuke

    IPC: B41J2/045 ,  B41J2/055 ,  B41J2/16

    CPC classification number: B41J2/14209 ,  B41J2002/14217 ,  B41J2002/14225 ,  B41J2002/14306 ,  B41J2002/14419 ,  B41J2002/14459 ,  B41J2202/20

    Abstract: Providing is a liquid discharge head less susceptible to a standing wave occurred in a shared flow path; a liquid discharge device using the liquid discharge head; and a recording apparatus. The liquid discharge head includes a plurality of liquid discharge pores; a plurality of liquid pressing chambers 210 respectively connected to the plurality of liquid discharge pores; a shared flow path 205a being long in one direction and being linked the plurality of liquid pressing chambers 210; a liquid supply path 205c which is connected to both ends of the shared flow path 205a, and has a larger cross-sectional area than the shared flow path 205a; and a plurality of pressing parts for respectively pressing liquid in the plurality of liquid pressing chambers 10. The cross-sectional area of a middle segment of the shared flow path 205a is smaller than the cross-sectional area of that of each of both end segments thereof.

    Abstract translation: 提供一种不易于共享流路中发生的驻波的液体排出头; 使用液体排出头的液体排出装置; 和记录装置。 液体排出头包括多个液体排出孔; 分别连接到多个液体排出孔的多个液压室210; 共同流路205a在一个方向上长并且连接多个液压室210; 液体供给路径205c，其连接到共享流路205a的两端，并且具有比共享流路205a更大的横截面积; 以及用于分别挤压多个液压室10中的液体的多个按压部分。共享流路205a的中间段的横截面面积小于两个端段中的每一个的横截面面积 它们。

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