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    • 1. 发明授权
    • Imaging members
    • 成像成员
    • US07005222B2
    • 2006-02-28
    • US10737545
    • 2003-12-16
    • Anthony M. HorganSatchidanand MishraRobert C. YuRichard L. PostEdward F. GrabowskiKathleen M. CarmichaelJohn R. Lambie
    • Anthony M. HorganSatchidanand MishraRobert C. YuRichard L. PostEdward F. GrabowskiKathleen M. CarmichaelJohn R. Lambie
    • G03G5/047
    • G03G5/047G03G5/0614
    • An imaging member having a charge transport layer with multiple regions is provided. The charge transport layer includes a plurality of charge transport layers coated from solutions of similar or different compositions or concentrations, wherein at least the top or uppermost transport layer comprises a lower concentration of charge transport compound than the first (bottom) charge transport layer. The charge transport compound included in the first (bottom) charge transport layer may either be of the same or different compounds from that included in the top or additional charge transport layer(s). The charge transport compound present in each layer may be dissolved or molecularly dispersed in an electrically inactive polymer material to form a solid solution. In such a construction, the resulting charge transport layer exhibits enhanced cracking suppression, improves wear resistance, provides excellent imaging member electrical performance, and delivers improved print quality.
    • 提供具有多个区域的电荷传输层的成像构件。 电荷传输层包括由相似或不同组成或浓度的溶液涂覆的多个电荷输送层,其中至少顶部或最上层的输送层包含比第一(底部)电荷输送层更低浓度的电荷输送化合物。 包含在第一(底部)电荷输送层中的电荷输送化合物可以是与顶部或另外的电荷输送层中所包含的化合物相同或不同的化合物。 存在于各层中的电荷输送化合物可以溶解或分子分散在电惰性聚合物材料中以形成固溶体。 在这种结构中,所得到的电荷输送层表现出增强的开裂抑制,改善耐磨性,提供优异的成像元件电性能,并提供改善的印刷质量。
    • 3. 发明授权
    • Compact contamination reducing multi-corona system and method for reducing contamination of surfaces being acted upon by corona generating devices
    • 紧凑的污染减少多电晕系统和减少受电晕发生装置作用的表面污染的方法
    • US07085512B2
    • 2006-08-01
    • US10980331
    • 2004-11-04
    • Fa-Gung FanJohn R. LambieMoritz P. Wagner
    • Fa-Gung FanJohn R. LambieMoritz P. Wagner
    • G03G21/20G03G15/02
    • G03G15/0258G03G15/0291
    • Apparatus and methods reduce, and preferably prevent, contamination of a surface or component to be charged or acted upon by a corona generating device. When a voltage is applied to the corona generating device, corona winds having a plurality of corona vortices are formed. Air is pulled via at least one drawing port of the corona generating device. At least one substantially continuous air curtain is formed along a side of the corona generating device when air is pulled via the drawing port of the corona generating device. The formation of the continuous air curtain is not dependent on air being pushed into the corona generating device. Preferably the substantially continuous air curtain extends from substantially one end of the corona generating device, at least a distance equivalent to a greatest continuous total length of the plurality of corona vortices and any portion of the corona generating device situated therebetween.
    • 装置和方法减少并且优选地防止被电晕发生装置充电或作用的表面或部件的污染。 当对电晕发生装置施加电压时,形成具有多个电晕旋涡的电晕风。 通过电晕发生装置的至少一个绘图口拉动空气。 当通过电晕发生装置的拉伸口拉动空气时,沿着电晕发生装置的侧面形成至少一个基本连续的气帘。 连续气帘的形成不依赖于被推入电晕发生装置的空气。 优选地,基本连续的空气幕从电晕发生装置的基本上一端延伸,至少相当于多个电晕旋涡的最大连续总长度和位于它们之间的电晕发生装置的任何部分的距离。