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    • 104. 发明授权
    • Method of aligning two or more printhead modules mounted to a support member in a printer
    • 将安装到打印机中的支撑构件的两个或更多个打印头模块对准的方法
    • US07942499B2
    • 2011-05-17
    • US12264704
    • 2008-11-04
    • Kia Silverbrook
    • Kia Silverbrook
    • B41J2/14B41J2/16
    • B41J2/14024B41J2202/03Y10T29/49401
    • The present invention provides for a method of aligning two or more printhead modules mounted to a support member in a printer. The printhead modules are MEMS manufactured integrated circuits having at least one fiducial on each. The method includes the steps of positioning the printhead modules on the support member such that they align when the support member is at its operating temperature but not necessarily at other temperatures, and using the fiducials to misalign the printhead modules by a distance calculated from the difference between the coefficient of thermal expansion of the support member and the printhead integrated circuits, the spacing of the printhead chips along the support member and the difference between a production temperature of the modules and an operating temperature of the printer.
    • 本发明提供了一种将安装到打印机中的支撑构件的两个或更多个打印头模块对准的方法。 打印头模块是每个具有至少一个基准的MEMS制造的集成电路。 该方法包括以下步骤:将打印头模块定位在支撑构件上,使得当支撑构件处于其工作温度但不一定处于其他温度时它们对准,并且使用基准将打印头模块偏移距离由差异计算出的距离 在支撑构件和打印头集成电路的热膨胀系数之间,打印头芯片沿着支撑构件的间隔以及模块的生产温度与打印机的操作温度之间的差。
    • 105. 发明申请
    • LIQUID EJECTING APPARATUS
    • 液体喷射装置
    • US20110102514A1
    • 2011-05-05
    • US12914210
    • 2010-10-28
    • Takayuki YONEMURA
    • Takayuki YONEMURA
    • B41J2/045
    • B41J2/14233B41J2/04581B41J2/04588B41J2/0459B41J2/055B41J2002/14241B41J2002/14419B41J2202/03H01L41/042H01L41/0973H01L41/1878H01L41/318
    • Provided is a liquid ejecting apparatus which comprises a pressure generation chamber, a piezoelectric element, and a driving unit which supplies a driving signal to the piezoelectric element. The piezoelectric layer shows electric field induced phase transition and when among voltages at which the piezoelectric layer shows the electric field induced phase transition a voltage having a higher absolute value is defined as VF and a voltage having a lower absolute value is defined as VAF, the driving unit supplies to the piezoelectric element a driving signal which allows the voltage to be applied to the piezoelectric layer, allows the voltage that passes through VF and of which the absolute value is equal to or higher than VAF to be set as a start point, and allows the voltage to be changed within a range where the absolute value is equal to or higher than VAF.
    • 提供一种液体喷射装置,其包括压力产生室,压电元件和向压电元件提供驱动信号的驱动单元。 压电层显示电场感应相变,当在压电层显示电场感应相变的电压中,具有较高绝对值的电压定义为VF,具有较低绝对值的电压定义为VAF时, 驱动单元向压电元件提供允许施加到压电层的电压的驱动信号,允许将通过VF的绝对值等于或高于VAF的电压设置为起始点, 并允许在绝对值等于或高于VAF的范围内改变电压。
    • 107. 发明授权
    • Liquid ejection head and liquid ejection device
    • 液体喷射头和液体喷射装置
    • US07905578B2
    • 2011-03-15
    • US12450049
    • 2008-03-19
    • Yasuo Nishi
    • Yasuo Nishi
    • B41J2/045B41J2/14B41J2/06
    • B41J2/14314B41J2202/03
    • A liquid ejection head which can fly a minute high viscosity droplet with high precision by a low drive voltage in electric field assist system which exhibiting excellent maintainability such as cleaning. The liquid ejection head (2) comprises a nozzle plate (4) provided with a nozzle (5) having a liquid supply opening (9) for supplying a liquid (L), an ejection opening (11) for ejecting the liquid (L), and a liquid supply passage for supplying the liquid (L) from liquid supply opening (9) to the liquid ejection opening (11), a cavity (20) for storing the liquid (L), a pressure generating means for generating pressure in the cavity (20), and an electrostatic voltage generating means for generating an electrostatic attraction between the liquid (L) and a substrate. The liquid supply opening side of the nozzle (5) is formed of a silicon layer (41), the ejection opening side of the nozzle is formed of at least one resin layer (42) composed of thermosetting or photosensitive fluorine polymer having a volume resistivity of 1015Ω or above and a dielectric constant of 3 or less, and the diameter of the nozzle (5) on the liquid supply opening side is larger than that of the nozzle on the liquid ejection side.
    • 一种液体喷射头,其可以在电场辅助系统中通过低驱动电压以高精度飞行微小高粘度液滴,其显示出诸如清洁的良好维护性。 液体喷射头(2)包括具有喷嘴(5)的喷嘴板(4),喷嘴板(5)具有用于供应液体(L)的液体供应开口(9),用于喷射液体(L)的喷射口(11) 以及用于将液体(L)从液体供给口(9)供给到液体喷射口(11)的液体供给通道,用于储存液体(L)的空腔(20),用于产生压力的压力产生装置 空腔(20)和用于在液体(L)和基板之间产生静电吸引力的静电电压产生装置。 喷嘴(5)的供液口侧由硅层(41)形成,喷嘴的喷射口侧由至少一层由热固性或感光性氟聚合物构成的树脂层(42)形成,该聚合物具有体积电阻率 1015&OHgr; 介电常数为3以下,液体供给口侧的喷嘴(5)的直径大于喷液侧的喷嘴的直径。