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    • 3. 发明授权
    • Manufacture of nozzles for ink jet printers
    • 制造喷墨打印机的喷嘴
    • US5189437A
    • 1993-02-23
    • US769583
    • 1991-10-02
    • A. John MichaelisAnthony D. PatonStephen Temple
    • A. John MichaelisAnthony D. PatonStephen Temple
    • B23K26/38B23K26/40B24D18/00B41J2/16
    • B41J2/1634B23K26/384B23K26/389B23K26/402B41J2/1609B41J2/162B23K2203/42B41J2202/12
    • A method of manufacturing one or more nozzles for an ink jet printhead initially comprises bonding a nozzle plate to the ink ejection end of the printhead. A mask is then secured in contact with the nozzle plate, the mask having a plurality of apertures each defining a respective nozzle exit. Laser radiation applied to the mask exposes the areas defined by the apertures to ablate the plate material between the nozzle exits on the external surface of the plate and corresponding nozzle inlets on the opposite surface of the plate. The assembly comprising the printhead, plate and mask is rocked during the exposure step to increase the area of the nozzle inlet relative to its outlet. Also, prior to the nozzle formation step, one or more ink troughs may be provided for supplying an external source of ink for each nozzle. The ink troughs, which may be formed using laser ablation techniques similar to those used in the formation of the nozzles, facilitate a continuous, positive flow of ink through the nozzles.
    • 制造用于喷墨打印头的一个或多个喷嘴的方法最初包括将喷嘴板接合到打印头的喷墨端。 然后将掩模固定成与喷嘴板接触,所述掩模具有多个孔,每个孔限定相应的喷嘴出口。 施加到掩模上的激光辐射暴露由孔限定的区域,以在板的外表面上的喷嘴出口和板的相对表面上的相应喷嘴入口之间切割板材。 包括打印头,板和面罩的组件在曝光步骤期间摇动以增加喷嘴入口相对于其出口的面积。 此外,在喷嘴形成步骤之前,可以设置一个或多个墨槽,用于为每个喷嘴提供外部油墨源。 可以使用类似于在形成喷嘴中使用的激光烧蚀技术形成的墨槽有利于油墨通过喷嘴的连续的正向流动。
    • 9. 发明授权
    • Ink jet apparatus
    • 喷墨设备
    • US4742365A
    • 1988-05-03
    • US855131
    • 1986-04-23
    • W. Scott BartkyA. John Michaelis
    • W. Scott BartkyA. John Michaelis
    • B41J2/16G01D15/16
    • B41J2/14209
    • In an ink jet print head wherein a plurality of pumping chambers are provided for receiving ink and individually discharging the ink on demand in droplet form. The pumping chambers are formed on a substrate and defined in part by a continuous film of piezoelectric material extending over the substrate. Electrodes are electrically coupled on opposite sides of the piezoelectric film and positioned to define a plurality of distinct, electrically pulsed ink droplet drive elements operatively associated individually with the plurality of pumping chambers. An orifice for each chamber causes ink to be ejected from the chamber in response to demand electrical pulsation of the drive element for the respective chamber.
    • 在喷墨打印头中,其中提供多个泵送室用于接收墨水并且以液滴形式单独排出墨水。 泵送室形成在基板上并且部分地由在基板上延伸的压电材料的连续膜限定。 电极电耦合在压电薄膜的相对两侧并且被定位成限定与多个泵送室单独操作地相关联的多个不同的,电脉冲的墨滴驱动元件。 每个室的孔口响应于用于相应室的驱动元件的需要电脉动而导致墨从室喷出。