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    • 1. 发明公开
    • NOZZLE PLATE, LIQUID EJECTION HEAD USING SAME, AND RECORDING DEVICE
    • 喷嘴板,使用其的液体喷射头和记录装置
    • EP3318409A1
    • 2018-05-09
    • EP16830590.2
    • 2016-07-28
    • Kyocera Corporation
    • SONOBATA,Hidetaka
    • B41J2/14
    • B41J2/1631B41J2/14209B41J2/1433B41J2/162B41J2002/14475
    • A nozzle plate 32 of the present disclosure includes a first surface 31a, a second surface 31b on the opposite side to the first surface 31a, and a plurality of through holes 8 which penetrate through the plate from the first surface 31a to the second surface 32b and become nozzles 8. Each of the through holes 8 includes, on at least the first surface 31a side forming the side where the liquid is ejected, an inversely tapered part 8b having a cross-sectional area becoming larger toward the first surface 31a. The first surface 31a includes a first region and a second region which is not superimposed on the first region. A first through hole of one the through holes 8 is arranged in the first region, a second through hole of one the through holes 8 is arranged in the second region. When defining the width of the inversely tapered part 8b when viewed from the first surface 31a side as "T", the width T of the inversely tapered part 8b in the first through hole is larger than the width T of the inversely tapered part 8b in the second through hole. A thickness of the nozzle plate in the first region is thinner than a thicknesses of the nozzle plate in the second region.
    • 本公开的喷嘴板32包括第一表面31a,在与第一表面31a相反的一侧上的第二表面31b以及从第一表面31a到第二表面32b穿透板的多个通孔8 成为喷嘴8.贯通孔8至少在形成喷射液体的一侧的第一面31a侧具有朝向第一面31a的剖面积变大的倒锥部8b。 第一表面31a包括第一区域和不叠加在第一区域上的第二区域。 一个通孔8的第一通孔布置在第一区域中,一个通孔8的第二通孔布置在第二区域中。 当将从第一表面31a侧看去的倒锥形部分8b的宽度定义为“T”时,第一通孔中的倒锥形部分8b的宽度T大于倒锥形部分8b的宽度T in 第二通孔。 第一区域中的喷嘴板的厚度比第二区域中的喷嘴板的厚度薄。
    • 8. 发明公开
    • LIQUID DISCHARGE HEAD MANUFACTURING METHOD
    • 液体排放头制造方法
    • EP2547529A1
    • 2013-01-23
    • EP11762221.7
    • 2011-03-28
    • Canon Kabushiki Kaisha
    • SATO, TamakiMORISUE, MasafumiYONEYAMA, Hirono
    • B41J2/16B41J2/05
    • B41J2/1603B41J2/1626B41J2/1631B41J2/164B41J2/1645B41J2002/14475
    • A method of manufacturing a liquid discharge head having a flow path communicating with a discharge port for discharging liquid includes in the following order: preparing a substrate with an evenly provided first layer as a flat layer; forming, of the first layer, a pattern of the flow path for forming the flow path, and a member (A) provided outside the pattern via a gap; providing a second layer so as to fill the gap and to cover the pattern and the member (A); forming, of the second layer, a member (B) for forming the discharge port on the pattern; and removing the member (A), providing, at least on the substrate, a third layer so as to hold it in intimate contact with the member (B), and removing the pattern to form the flow path.
    • 一种制造具有与用于排出液体的排出口连通的流路的液体排出头的方法包括以下步骤:准备具有均匀设置的第一层作为平坦层的基板; 在第一层中形成用于形成流路的流路的图案和经由间隙设置在图案外部的构件(A) 提供第二层以填充所述间隙并覆盖所述图案和所述构件(A); 在所述第二层中形成用于在所述图案上形成所述排出口的构件(B); 和去除构件(A),至少在基底上提供第三层以保持它与构件(B)紧密接触,并去除图案以形成流动路径。