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    Inkjet nozzle structure to reduce drop placement error
    1.
    发明授权
    Inkjet nozzle structure to reduce drop placement error 有权
    喷墨喷嘴结构可减少放置误差

    公开(公告)号：US06860588B1

    公开(公告)日：2005-03-01

    申请号：US09686037

    申请日：2000-10-11

    申请人： Clayton L Holstun ,  Jeffrey Allen Nielsen ,  Matthew D Giere ,  Scott Norum ,  Stephen W Bauer ,  Mark D Lund ,  Robert W Sperry ,  Dustin W Blair

    发明人： Clayton L Holstun ,  Jeffrey Allen Nielsen ,  Matthew D Giere ,  Scott Norum ,  Stephen W Bauer ,  Mark D Lund ,  Robert W Sperry ,  Dustin W Blair

    IPC分类号： B41J2/05 ,  B41J2/14 ,  B41J2/16

    CPC分类号： B41J2/14016 ,  B41J2002/14475

    摘要： A printhead for an inkjet printer having geometric features which reduce drop placement error of main and satellite drops ejected from the nozzles of the printhead. Nozzles that are tilted along an axis corresponding to the direction of scanning of the printhead while printing have reduced drop placement error in the orthogonal direction to the scanning, and create a breakoff velocity for the satellite drop that can cause the main and satellite drops to be placed in a coincident location on the medium in one of the directions of scanning, thus forming desireable round printed spots and reducing drop placement error in the scan direction. These improvements can be repeatably achieved for all nozzles. Nozzles with non-circular and asymmetric bores also reduce drop placement errors, particularly when these types of nozzles are also tilted.

    摘要翻译： 一种用于喷墨打印机的打印机，其具有几何特征，其减少从打印头的喷嘴喷射的主和卫星滴的滴定布置误差。 在打印时沿着与打印头的扫描方向相对应的轴线倾斜的喷嘴在与扫描正交的方向上具有降低的放置位置误差，并且产生可导致主卫星和卫星降落的卫星降落的断裂速度 在扫描方向中的一个方向上放置在介质上的重合位置，从而形成所需的圆形印刷点并减少扫描方向上的放置位置误差。 对于所有喷嘴可以重复地实现这些改进。 具有非圆形和不对称孔的喷嘴还降低了滴落布置误差，特别是当这些类型的喷嘴也倾斜时。

    Method for aligning multiple nozzle members in a solid free form fabrication tool
    3.
    发明授权
    Method for aligning multiple nozzle members in a solid free form fabrication tool 有权
    用于在固体自由形式制造工具中对准多个喷嘴构件的方法

    公开(公告)号：US07229144B2

    公开(公告)日：2007-06-12

    申请号：US10285724

    申请日：2002-10-31

    申请人： Jeffrey Allen Nielsen ,  Steven T. Castle ,  David C Collins

    发明人： Jeffrey Allen Nielsen ,  Steven T. Castle ,  David C Collins

    IPC分类号： B41J3/00 ,  B28B1/32

    CPC分类号： B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02

    摘要： A method for aligning multiple nozzle members in a solid free form build unit is disclosed. A geometric test shape having at least one investigational topographic region projecting outward from a central base is formed and analyzed for at least one physical characteristic correlative with nozzle member targeting accuracy. The physical characteristic is at least one of color hue shift, surface pattern irregularity, and dimensional accuracy.

    摘要翻译： 公开了一种用于将固体自由形式构建单元中的多个喷嘴构件对准的方法。 形成具有从中心基部向外突出的至少一个研究性地形区域的几何测试形状，并分析与喷嘴构件瞄准精度相关的至少一个物理特性。 物理特性是色调偏移，表面图案不规则和尺寸精度中的至少一个。