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    Marking materials and marking processes therewith
    77.
    发明授权
    Marking materials and marking processes therewith 有权
    标记材料和标记过程

    公开(公告)号：US06309042B1

    公开(公告)日：2001-10-30

    申请号：US09408606

    申请日：1999-09-30

    申请人： Richard P. N. Veregin ,  Carl P. Tripp ,  Maria N. V. McDougall ,  T. Brian McAneney

    发明人： Richard P. N. Veregin ,  Carl P. Tripp ,  Maria N. V. McDougall ,  T. Brian McAneney

    IPC分类号： B41J2015

    CPC分类号： C09C3/12 ,  B41J2/04 ,  B41J2202/02 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/80

    摘要： Disclosed is an apparatus for depositing a particulate marking material onto a substrate, comprising (a) a printhead having defined therein at least one channel, each channel having an inner surface and an exit orifice with a width no larger than about 250 microns, the inner surface of each channel having thereon a hydrophobic coating material; (b) a propellant source connected to each channel such that propellant provided by the propellant source can flow through each channel to form propellant streams therein, said propellant streams having kinetic energy, each channel directing the propellant stream through the exit orifice toward the substrate; and (c) a marking material reservoir having an inner surface, said inner surface having thereon the hydrophobic coating material, said reservoir containing particles of a particulate marking material, said reservoir being communicatively connected to each channel such that the particulate marking material from the reservoir can be controllably introduced into the propellant stream in each channel so that the kinetic energy of the propellant stream can cause the particulate marking material to impact the substrate, wherein either (i) the marking material particles of particulate marking material have an outer coating of the hydrophobic coating material; or (ii) the marking material particles have additive particles on the surface thereof, said additive particles having an outer coating of the hydrophobic coating material; or (iii) both the marking material particles and the additive particles have an outer coating of the hydrophobic coating material.

    摘要翻译： 公开了一种用于将颗粒状标记材料沉积到基底上的装置，包括（a）其中限定有至少一个通道的打印头，每个通道具有内表面和宽度不大于约250微米的出口孔，内部 每个通道的表面上具有疏水涂层材料; （b）连接到每个通道的推进剂源，使得由推进剂源提供的推进剂可以流过每个通道以在其中形成推进剂流，所述推进剂流具有动能，每个通道将推进剂流引导通过出口孔朝向基底; 和（c）具有内表面的标记材料储存器，所述内表面上具有疏水涂层材料，所述储存器包含颗粒标记材料的颗粒，所述储存器连通地连接到每个通道，使得来自储存器的颗粒标记材料 可以可控地引入每个通道中的推进剂流中，使得推进剂流的动能可导致颗粒状标记材料冲击基材，其中（i）颗粒标记材料的标记材料颗粒具有外涂层 疏水涂料; 或（ii）标记材料颗粒在其表面上具有添加剂颗粒，所述添加剂颗粒具有疏水涂层材料的外涂层; 或（iii）标记材料颗粒和添加剂颗粒都具有疏水涂层材料的外涂层。