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    • 44. 发明授权
    • Inspection apparatus and method for liquid discharge head and liquid discharge head
    • 排液头和排液头检测装置及方法
    • US09555653B2
    • 2017-01-31
    • US15049787
    • 2016-02-22
    • CANON KABUSHIKI KAISHA
    • Hideo Kanno
    • B41J29/393
    • B41J29/393B41J2/04555B41J2/04561B41J2/04576B41J2/04588
    • An apparatus for inspecting a liquid discharge head including an energy generation element provided on an element substrate and configured to make energy act on a liquid to discharge the liquid from an orifice, a lower protection film having an electrical insulating property and provided on the element substrate while covering the energy generation element, a wiring layer provided between the element substrate and the lower protection film and configured to supply electrical signal for driving to the energy generation element, and a conductive upper protection film provided on the lower protection film is provided. The apparatus comprises a detection circuit configured to detect a potential of the upper protection film when the energy generation element is driven; and a determination circuit configured to determine a driving state of the energy generation element from information about the potential detected by the detection circuit.
    • 一种用于检查排液头的装置,包括设置在元件基板上的能量产生元件,并且被配置为使能量作用于液体以从孔排出液体,具有电绝缘性的下保护膜并设置在元件基板上 同时覆盖能量产生元件,设置在元件基板和下保护膜之间并被配置为向能量产生元件提供用于驱动的​​电信号的布线层,以及设置在下保护膜上的导电上保护膜。 该装置包括:检测电路,被配置为当能量产生元件被驱动时检测上保护膜的电位; 以及确定电路,被配置为从关于由检测电路检测到的电位的信息确定能量产生元件的驱动状态。
    • 45. 发明申请
    • INSPECTION APPARATUS AND METHOD FOR LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE HEAD
    • 液体排放头和液体排放头检查装置及方法
    • US20160257151A1
    • 2016-09-08
    • US15049787
    • 2016-02-22
    • CANON KABUSHIKI KAISHA
    • Hideo Kanno
    • B41J29/393
    • B41J29/393B41J2/04555B41J2/04561B41J2/04576B41J2/04588
    • An apparatus for inspecting a liquid discharge head including an energy generation element provided on an element substrate and configured to make energy act on a liquid to discharge the liquid from an orifice, a lower protection film having an electrical insulating property and provided on the element substrate while covering the energy generation element, a wiring layer provided between the element substrate and the lower protection film and configured to supply electrical signal for driving to the energy generation element, and a conductive upper protection film provided on the lower protection film is provided. The apparatus comprises a detection circuit configured to detect a potential of the upper protection film when the energy generation element is driven; and a determination circuit configured to determine a driving state of the energy generation element from information about the potential detected by the detection circuit.
    • 一种用于检查排液头的装置,包括设置在元件基板上的能量产生元件,并且被配置为使能量作用于液体以从孔排出液体,具有电绝缘性的下保护膜并设置在元件基板上 同时覆盖能量产生元件,设置在元件基板和下保护膜之间并被配置为向能量产生元件提供用于驱动的​​电信号的布线层,以及设置在下保护膜上的导电上保护膜。 该装置包括:检测电路,被配置为当能量产生元件被驱动时检测上保护膜的电位; 以及确定电路,被配置为从关于由检测电路检测到的电位的信息确定能量产生元件的驱动状态。
    • 47. 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。
    • 48. 发明授权
    • Inkjet recording method and apparatus
    • 喷墨记录方法和装置
    • US07234796B2
    • 2007-06-26
    • US11019423
    • 2004-12-23
    • Seiichi Inoue
    • Seiichi Inoue
    • B41J2/06
    • B41J2/04576B41J2/04508B41J2/04543B41J2/0458B41J2/04581B41J2/06B41J2/14016B41J2/14201
    • The inkjet recording method and apparatus eject ink droplets made of an ink composition on a recording medium to record. The method and apparatus use insulating ink prepared by dispersing colorant particles capable of being charged in a solvent as the ink composition, allow an electrostatic force to act on the ink composition to form a thread of the ink composition and provide a stimulus to the thread at a frequency in a range of 100 kHz to 800 kHz to separate the thread into the ink droplets. The apparatus includes an inkjet head for ejecting the ink droplets, an electrode substrate for applying a charging voltage to the recording medium and a stimulus providing unit for providing the stimulus.
    • 喷墨记录方法和装置将由油墨组合物制成的墨滴喷射到记录介质上以进行记录。 该方法和装置使用通过将能够装入溶剂中的着色剂颗粒分散在油墨组合物中而制备的绝缘油墨,允许静电力作用在油墨组合物上以形成油墨组合物的螺纹,并向螺纹提供刺激 在100kHz至800kHz的范围内的频率将线分离成墨滴。 该装置包括用于喷射墨滴的喷墨头,用于向记录介质施加充电电压的电极基板和用于提供刺激的刺激提供单元。
    • 49. 发明申请
    • Electrostatic suction type fluid discharge method and device for the same
    • 静电抽吸式流体排放方法及装置相同
    • US20070101934A1
    • 2007-05-10
    • US10567657
    • 2004-08-06
    • Shigeru NishioHironobu IwashitaKazunori YamamotoKazuhiro Murata
    • Shigeru NishioHironobu IwashitaKazunori YamamotoKazuhiro Murata
    • B05B5/025F23D11/32
    • B41J2/06B05B5/0255B05C5/0216B05C11/1034B41J2/04576B41J2/04588H05K3/125H05K2203/013H05K2203/105
    • Voltage applying means applies a pulse voltage between a nozzle and a substrate, the nozzle having a diameter ranging from 0.01 μm to 25 μm, an upper limit voltage (10) of the pulse voltage being equal to or greater than a discharge-inducing minimum voltage (30), that is a voltage required to start discharge of fluid. A lower limit first voltage (20a) is provided immediately before a rise of the pulse voltage, the lower limit first voltage (20a) having a same polarity as that of the upper limit voltage (10), an absolute value of the lower limit first voltage (20a) being set smaller than the discharge-inducing minimum voltage (30). A lower limit second voltage (20b) is provided immediately after a rise of the pulse voltage, the lower limit second voltage (20b) having an opposite polarity as that of the upper limit voltage (10), an absolute value of the lower limit second voltage (20b) being set smaller than the discharge-inducing minimum voltage (30). With this structure, the present invention provides an electrostatic suction type fluid discharge device and an electrostatic suction type fluid discharge method, which simultaneously achieve miniaturization of nozzle, discharge of micro fluid droplet, high accuracy for discharge position, and decrease in drive voltage. The device and method offer superior discharge start/stop characteristic, thus realizing operation at high frequencies. The device is also capable of discharge amount control by pulse time.
    • 电压施加装置在喷嘴和基板之间施加脉冲电压,喷嘴的直径范围为0.01μm至25μm,脉冲电压的上限电压(10)等于或大于放电诱导最小电压 (30),即开始流体排出所需的电压。 在脉冲电压上升之前提供下限第一电压(20A),下限第一电压(20a)具有与上限电压(10)相同极性的下限第一电压(20A),绝对值为 限制第一电压(20A)被设置为小于放电诱导最小电压(30)。 在脉冲电压上升之后立即提供下限第二电压(20b),下限第二电压(20b)具有与上限电压(10)相反极性的下限第二电压(20b),绝对值为 限制第二电压(20b)被设置为小于放电诱导最小电压(30)。 利用这种结构,本发明提供一种同时实现喷嘴小型化,微液滴放电,放电位置精度高,驱动电压降低的静电吸引式流体排出装置和静电吸引式流体排出方法。 该装置和方法提供优异的放电启停特性,从而实现高频工作。 该装置还能够通过脉冲时间进行放电量控制。
    • 50. 发明申请
    • Liquid ejecting apparatus and liquid ejecting method
    • 液体喷射装置和液体喷射方法
    • US20050206682A1
    • 2005-09-22
    • US11019540
    • 2004-12-23
    • Takayuki TogashiTomoaki Takahashi
    • Takayuki TogashiTomoaki Takahashi
    • B41J2/045B41J2/06B41J2/14
    • B41J2/04541B41J2/0457B41J2/04576B41J2/06B41J2/14274
    • The present apparatus includes: a liquid ejecting head having a nozzle plate with an ejecting hole through which a liquid is discharged, a conductive member disposed behind an object being processed opposite to the liquid ejecting head, a potential difference generating device for generating a potential difference between the nozzle plate and the conductive member, and a switching control device for turning on and off the potential difference generating device. The switching control device decides whether a process to which the object is subjected is a borderless recording process that drops liquid drops on an edge part of the object or a bordered recording process that does not drop any liquid drops on the edge part, and turns off the potential difference generating device when the bordered recording process is executed.
    • 本发明的装置包括:具有喷射板的液体喷射头,喷嘴板具有排出液体的喷射孔,设置在与液体喷射头相对的被处理物的后方的导电部件,产生电位差的电位差产生装置 在喷嘴板和导电构件之间,以及用于打开和关闭电位差产生装置的开关控制装置。 切换控制装置判定对象所经受的处理是对物体的边缘部分滴下液滴的边界记录处理或边缘部分没有滴落液滴的边界记录处理,并且关闭 当执行边界记录处理时的电位差产生装置。