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    • 83. 发明公开
    • AIR DEFLECTED DROP LIQUID PATTERN DEPOSITION
    • 空气缺陷液滴图案沉积
    • EP2084007A1
    • 2009-08-05
    • EP07839074.7
    • 2007-09-28
    • Eastman Kodak Company
    • DELAMETTER, Christopher NewellJEANMAIRE, David LouisCHWALEK, James MichaelPOND, Stephen Fullerton
    • B41J2/03B41J2/09
    • B41J2/03B41J2/09B41J2002/022B41J2002/031B41J2002/032B41J2002/033B41J2202/16
    • A drop deflector apparatus for a continuous drop emission system that deposits a liquid pattern on a receiver according to liquid pattern data comprising a plurality of drop nozzles formed along a nozzle array axis and emitting a plurality of continuous streams of a liquid that breaks up into a plurality of streams of drops having nominal flight paths that are substantially parallel and substantially within a nominal flight plane is disclosed. An airflow plenum having an evacuation end connected to a negative pressure source and an impingement end having an opening located adjacent the nominal flight plane into which ambient air is drawn for the purpose of deflecting drops in an air deflection direction perpendicular to the nominal flight plane is provided. The opening is bounded by upstream, downstream, first and second walls wherein the upstream and downstream wall ends are spaced away from the nominal flight plane in the air deflection direction by a larger amount than are the first and second side wall edges. An airflow plenum having through slots for the passage of drops is also disclosed. Such a plenum design increases the amount of drop deflection achieved for a given maximum deflection air velocity and provides a reduction in the affect of perturbing air currents that may be present around the nominal flight paths. Drop synchronization apparatus is disclosed to break up continuous streams into drops of large and small volumes according to liquid pattern data, the large and small drops being differently deflected by the air flow in the airflow plenum. A plurality of path selection elements is disclosed for directing drops along different paths according to liquid pattern data, wherein drops following different paths are differently deflected by the air flow in the airflow plenum. A method of printing using the disclosed apparatus is also disclosed.
    • 一种用于连续液滴发射系统的液滴偏转器装置,其根据液体图案数据将液体图案沉积在接收器上,所述液体图案数据包括沿着喷嘴阵列轴线形成的多个液滴喷嘴并发射多个连续液体流,所述液体分解成 公开了具有基本上平行且基本上在名义飞行平面内的标称飞行路径的多个液滴流。 具有连接到负压源的抽空端的冲击端和冲击端具有位于标称飞行平面附近的开口,环境空气为了在垂直于标称飞行平面的空气偏转方向上偏转液滴而被抽入其中, 提供。 该开口由上游,下游,第一和第二壁界定,其中上游和下游壁端在空气偏转方向上与标称飞行平面间隔开比第一和第二侧壁边缘大的量。 还公开了具有用于通过液滴的通槽的气流增压室。 这样的增压室设计增加了对于给定的最大偏转空气速度实现的液滴偏转量并且减少了可能存在于标称飞行路径周围的扰动气流的影响。 根据液体图案数据,公开了滴下同步装置将连续流分解为大量和小量的液滴,大小液滴被气流充气室中的气流不同地偏转。 公开了多个路径选择元件,用于根据液体图案数据沿不同路径引导液滴,其中不同路径之后的液滴由气流增压室中的气流不同地偏转。 还公开了使用所公开的设备的印刷方法。
    • 87. 发明公开
    • Nozzle plate unit, inkjet print head with the same and method of manufacturing the same
    • 喷嘴板单元,具有该喷嘴板单元的喷墨打印头及其制造方法
    • EP1652674A2
    • 2006-05-03
    • EP05256556.1
    • 2005-10-21
    • Samsung Electronics Co., Ltd.
    • Sung, Gee-youngKwon, Kye-siKim, Min-sooOh, Se-youngBaek, Seog-soonSong, Mi-jeong
    • B41J2/14
    • B41J2/14233B41J2/09B41J2/1433B41J2002/14395B41J2202/16Y10T29/42
    • A nozzle plate unit (100) that is designed to control an ejecting direction of ink droplets by using an electro-wetting phenomenon, an inkjet print head with the same, and a method of manufacturing the nozzle plate unit are provided. The nozzle plate unit includes at least one penetration nozzle (150), an electrode (120) divided into at least two segments (120a,120b,120c,120d) formed along an inner circumference defining the nozzle, and a hydrophobic insulating layer (140) divided into at least two segments (140a,140b,140c,140d) formed on surfaces of the segments of the electrode. When a voltage is applied between respective segments of the electrode and the fluid, a contacting angle of the fluid with the respective segments of the hydrophobic insulating layer is varied by an electro-wetting phenomenon, thereby deflecting an ejecting direction of the fluid ejected through the nozzle. The inkjet print head includes a passage plate (210,220) including an ink passage having a plurality of ink chambers (204) in which ink to be ejected is filled, an actuator (300) providing ejecting force of the ink filled in the plurality of ink chambers, and the nozzle plate unit attached to the passage plate. Accordingly, the ejecting direction of ink droplets ejected through the nozzle can be controlled in various directions and thus the image can be printed at higher DPI even when a print head with a low CPI is used.
    • 提供一种喷嘴板单元(100),该喷嘴板单元(100)被设计为通过使用电润湿现象来控制墨滴的喷射方向,具有该喷嘴板单元的喷墨打印头以及制造该喷嘴板单元的方法。 所述喷嘴板单元包括至少一个穿透喷嘴(150),沿着限定所述喷嘴的内周形成的至少两个分段(120a,120b,120c,120d)的电极(120),以及疏水绝缘层(140 )分成至少两个形成在电极片段表面上的片段(140a,140b,140c,140d)。 当在电极的各段与流体之间施加电压时,流体与疏水性绝缘层的各段的接触角通过电润湿现象而变化,由此偏转通过电解液喷射的流体的喷射方向 喷嘴。 该喷墨打印头包括:通道板(210,220),其包括具有其中填充有要喷射的墨的多个墨室(204)的墨通道;致动器(300),其提供填充在多个墨中的墨的喷射力 腔室,以及连接到通道板的喷嘴板单元。 因此,即使当使用具有低CPI的打印头时,也可以在各种方向上控制通过喷嘴喷射的墨滴的喷射方向,因此可以以更高的DPI打印图像。