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    • 1. 发明申请
    • CONTINUOUS DROP EMITTER WITH REDUCED STIMULATION CROSSTALK
    • 具有减少刺激性CROSSTALK的连续喷射发射器
    • US20080088680A1
    • 2008-04-17
    • US11548709
    • 2006-10-12
    • Jinquan XuRandolph C. BrostQing YangFernando LopesStephen F. Pond
    • Jinquan XuRandolph C. BrostQing YangFernando LopesStephen F. Pond
    • B41J2/02
    • B41J2/03B41J2002/022B41J2002/033B41J2202/13B41J2202/16
    • A continuous drop emitter comprising a liquid supply chamber containing a liquid held at a positive pressure; first and second nozzles in fluid communication with the liquid supply chamber nozzles emitting first and second continuous streams of a liquid; first and second stream break-up transducers adapted to independently synchronize the break up of the first and second continuous streams of the liquid into first and second streams of drops of predetermined volumes, respectively; and an acoustic damping material located adjacent to or within the liquid supply chamber for damping sound waves generated within the liquid chamber by the first and second stream break-up transducer. The continuous drop emitter may also configured with a Helmholtz resonant chamber tuned to a critical stimulation frequency having an acoustic damping material therein for absorbing acoustic stimulation energy. The Helmholtz resonant chamber may serve as a portion of the common liquid supply for the first and second jets in which case the acoustic damping material may be porous to allow the liquid to pass through. The acoustic damping materials may acoustically lossy materials that transmute energy into heat via molecular motions. The acoustic damping materials may be porous materials that absorb acoustic energy by forcing the liquid through small passages causing viscous flow energy losses. In addition the acoustic damping materials may include components that cause the disruption of acoustic waves by reflection from materials that are impedance mismatched to the liquid, either very dense materials or gas filled voids.
    • 一种连续液滴发射器,包括一个含有保持在正压力下的液体的液体供应室; 第一和第二喷嘴与液体供应室喷嘴流体连通,发射第一和第二连续的液体流; 第一和第二流分解换能器,其适于独立地将所述液体的所述第一和第二连续流的分解独立地同步到预定体积的第一和第二液滴流中; 以及声音阻尼材料,其位于液体供应室附近或内部,用于阻止由第一和第二流断裂传感器在液体室内产生的声波。 连续液滴发射器还可以配置有调谐到临界刺激频率的亥姆霍兹谐振腔,其中具有用于吸收声学刺激能量的声阻尼材料。 亥姆霍兹共振腔可以用作第一和第二射流的公共液体供应的一部分,在这种情况下,声阻尼材料可以是多孔的以允许液体通过。 声阻尼材料可以通过分子运动将能量转变成热量的声学损耗材料。 声阻尼材料可以是通过迫使液体通过小通道而引起粘性流动能量损失来吸收声能的多孔材料。 此外,声阻尼材料可以包括通过来自与液体阻抗不匹配的材料(非常致密的材料或气体填充的空隙)的反射导致声波破坏的组件。
    • 10. 发明申请
    • LIQUID EJECTION WITH ON-CHIP DEFLECTION AND COLLECTION
    • 液滴喷射与片上偏移和收集
    • US20130286109A1
    • 2013-10-31
    • US13456537
    • 2012-04-26
    • Yonglin XieQing Yang
    • Yonglin XieQing Yang
    • B41J2/09
    • B41J2/09B41J2/185
    • A printhead includes a substrate, catcher, and monolithic liquid jetting structure including a nozzle and deflection mechanism. A liquid jet is ejected through the nozzle in a direction substantially parallel to a first surface of the substrate. The nozzle includes material layers formed on the first surface of the substrate. At least one of the material layers of the nozzle includes a drop forming mechanism actuated to form liquid drops from the liquid jet. The deflection mechanism is associated with the liquid jet and deflects portions of the liquid jet between first and second paths. The liquid drops formed from portions of the liquid jet following the first path and second path continue to follow the first path and second path, respectively. The catcher includes a liquid drop contact surface including a portion of the first surface of the substrate and collects liquid drops following the second path.
    • 打印头包括基板,捕集器和包括喷嘴和偏转机构的单片液体喷射结构。 液体射流沿基本上平行于基底的第一表面的方向通过喷嘴喷射。 喷嘴包括形成在基板的第一表面上的材料层。 喷嘴的至少一个材料层包括被致动以从液体射流形成液滴的液滴形成机构。 偏转机构与液体射流相关联并且使第一和第二路径之间的液体射流的部分偏转。 从第一路径和第二路径之后的液体喷射部分形成的液滴分别继续沿着第一路径和第二路径。 捕集器包括液滴接触表面,其包括基板的第一表面的一部分并且在第二路径之后收集液滴。