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    • 2. 发明授权
    • Liquid ejection head, liquid ejection device and liquid ejection method
    • 液体喷射头,液体喷射装置和液体喷射方法
    • US07690766B2
    • 2010-04-06
    • US11793083
    • 2005-12-07
    • Nobuhiro UenoYasuo NishiAtsuro Yanata
    • Nobuhiro UenoYasuo NishiAtsuro Yanata
    • B41J2/06
    • B41J2/04576B41J2/04581B41J2/04588B41J2/06B41J2/14233B41J2002/14475
    • A liquid ejection head having: a nozzle for ejecting a liquid; a flat nozzle plate on which the nozzle is provided; a cavity to store the liquid to be ejected from an ejection hole of the nozzle; a pressure generating section which generates pressure on the liquid in the nozzle and forms a meniscus of the liquid in the ejection hole of the nozzle; an electrostatic voltage applying section which applies electrostatic voltage between a base material and the liquid in the nozzle and the cavity, and generates electrostatic suction force; and an operation control section which controls applying of the electrostatic voltage by the electrostatic voltage applying section, and controls applying of drive voltage to drive the pressure generating portion, wherein a volume resistivity of the nozzle plate is 1015 Ωm or more.
    • 一种液体喷射头,具有:用于喷射液体的喷嘴; 设有喷嘴的扁平喷嘴板; 用于存储从喷嘴的喷射孔喷出的液体的空腔; 压力产生部分,其在喷嘴中的液体上产生压力并在喷嘴的喷射孔中形成液体的弯月面; 静电电压施加部,其在基材与喷嘴中的液体和空腔之间施加静电电压,并产生静电吸引力; 以及操作控制部,其控制由所述静电电压施加部施加静电电压,并且控制施加驱动电压来驱动所述压力产生部,其中所述喷嘴板的体积电阻率为1015Ω·cm以上。
    • 8. 发明申请
    • Liquid Ejection Head and Liquid Ejection Method
    • 液体喷射头和液体喷射方法
    • US20100182361A1
    • 2010-07-22
    • US12224048
    • 2007-02-15
    • Naomi KuboYasuo NishiAtsuro Yanata
    • Naomi KuboYasuo NishiAtsuro Yanata
    • B41J29/38
    • B41J2/06B41J2/04576B41J2/04588
    • A liquid ejection head including: an insulating nozzle plate 5 provided with a nozzle having, a liquid supply port to supply liquid and a ejection port to eject the liquid supplied from the liquid supply port onto a substrate; a cavity in communication with the liquid supply port to reserve the liquid to be ejected from the ejection port; an electrostatic voltage application device to generate an electrostatic attraction force by applying the electrostatic voltage between the liquid in the nozzle and in the cavity, and substrate; and a control device to control application of the electrostatic voltage through the electrostatic voltage application device; wherein the nozzle is a flat nozzle not protruding from the nozzle plate and the control device control the electrostatic voltage application device so as to eject the liquid from the nozzle by applying a bipolar pulse which alternates between negative and positive polarity.
    • 一种液体喷射头,包括:具有喷嘴的绝缘喷嘴板5,所述喷嘴具有:用于供应液体的液体供应口和用于将从所述液体供应口供应的液体喷射到基板上的喷射口; 与所述液体供给口连通的空腔,以保留从所述喷射口喷出的液体; 静电电压施加装置,通过在喷嘴中的液体和空腔之间施加静电电压和衬底来产生静电吸引力; 以及控制装置,通过静电电压施加装置控制静电电压的施加; 其中所述喷嘴是不从所述喷嘴板突出的扁平喷嘴,并且所述控制装置控制所述静电电压施加装置,以通过施加在负极性和正极性之间交替的双极脉冲从所述喷嘴喷射所述液体。
    • 9. 发明申请
    • Liquid Ejection Head, Liquid Ejection Apparatus Liquid Ejection Method
    • 液体喷射头,液体喷射装置液体喷射方法
    • US20090096837A1
    • 2009-04-16
    • US12224049
    • 2007-02-15
    • Naomi KuboYasuo NishiAtsuro Yanata
    • Naomi KuboYasuo NishiAtsuro Yanata
    • B41J2/06
    • B41J2/085
    • A liquid ejection head, having: an insulating nozzle plate provided with a nozzle having, a liquid supply port to supply liquid and an ejection port to eject the liquid supplied from the liquid supply port onto a substrate; a cavity communicating with the liquid supply port to reserve the liquid to be ejected from the ejection port; an electrostatic voltage applying device to generate an electrostatic attraction force by applying an electrostatic voltage between the liquid in the nozzle and the cavity, and the substrate; and a control device to control the electrostatic voltage applying device for conducting polarization relaxation operation by applying an electrostatic voltage having reverse polarity opposite to that of the electrostatic voltage applied in liquid ejection, wherein the nozzle is a flat nozzle and the control device.
    • 一种液体喷射头,具有:具有喷嘴的绝缘喷嘴板,所述喷嘴具有:用于供应液体的液体供给口和用于将从所述液体供给口供给的液体喷射到基板上的喷射口; 与所述液体供给口连通的空腔以保留从所述喷射口喷出的液体; 静电电压施加装置,通过在喷嘴中的液体和空腔之间施加静电电压和基板而产生静电吸引力; 以及控制装置,其通过施加具有与施加在液体喷射中的静电电压相反的极性的相反极性的静电电压来控制用于进行偏振弛豫操作的静电电压施加装置,其中所述喷嘴是扁平喷嘴和所述控制装置。