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    • 2. 发明授权
    • Polymer internal contamination filter for ink jet printhead
    • 用于喷墨打印头的聚合物内部污染过滤器
    • US08702216B2
    • 2014-04-22
    • US13333068
    • 2011-12-21
    • Terrance L StephensJames D. PadgettJohn R. AndrewsAndrew W. Hays
    • Terrance L StephensJames D. PadgettJohn R. AndrewsAndrew W. Hays
    • B41J2/175
    • B41J2/1607B41J2/1629B41J2/1631B41J2/1634B41J2002/14403
    • A printhead for printing ink includes a particulate filter manufactured from a polymer sheet such as a polyimide sheet. Filter openings within the particulate filter can be formed using a mask and a laser beam to ablate exposed portions of the polymer sheet. Embodiments of the present teachings can result in the formation smaller filter openings at a smaller pitch within the polymer sheet than, for example, stainless steel particulate filters, and thus more openings which cover a larger percentage of the filter surface for a given filter size, which can result in a reduction of fluid pressure within the printhead. Thus smaller filter openings for improved filtering of smaller particulates can be formed while maintaining a sufficient ink flow at a sufficiently low pressure within the printhead during operation.
    • 用于印刷油墨的打印头包括由诸如聚酰亚胺片材的聚合物片材制成的微粒过滤器。 可以使用掩模和激光束来形成微粒过滤器内的过滤器孔,以消除聚合物片的暴露部分。 本教导的实施例可以导致在聚合物片材内以比例如不锈钢颗粒过滤器更小的间距形成更小的过滤器开口,因此,对于给定的过滤器尺寸,覆盖更大百分比的过滤器表面的更多的开口, 这可能导致打印头内的流体压力的降低。 因此,可以在操作期间形成用于改善过滤较小颗粒的较小的过滤器开口,同时在打印头内保持足够低的压力下的足够的油墨流动。
    • 6. 发明申请
    • Metalized Polyimide Aperture Plate And Method For Preparing Same
    • 金属化聚酰亚胺孔板及其制备方法
    • US20120092416A1
    • 2012-04-19
    • US12905561
    • 2010-10-15
    • David P. PlattTerrance L. StephensJohn R. AndrewsBradley J. Gerner
    • David P. PlattTerrance L. StephensJohn R. AndrewsBradley J. Gerner
    • B41J2/14B05D5/00B05D3/06B32B3/10
    • B41J2/1433B41J2/162B41J2/1634B41J2/1642Y10T428/24322
    • An aperture plate including a first layer having a first emissivity; a second layer having a second emissivity disposed over the first layer; wherein the first emissivity is higher than the second emissivity; and optionally, at least one additional layer disposed over the second layer. A method for preparing an aperture plate including providing a first layer having a first emissivity; disposing a second layer having a second emissivity over the first layer; wherein the first emissivity is higher than the second emissivity; optionally, disposing at least one additional layer over the second layer; and forming at least one aperture, wherein aperture formation can be before or after disposing the second layer over the first layer. An ink jet print head having an aperture plate including a first layer having a first emissivity; a second layer having a second emissivity disposed over the first layer; wherein the first emissivity is higher than the second emissivity; optionally, at least one additional layer disposed over the second layer; wherein one of the optional at least one additional layers disposed over the second layer is a coating layer for controlling surface tension.
    • 一种孔板,包括具有第一辐射率的第一层; 具有设置在所述第一层上的第二发射率的第二层; 其中所述第一发射率高于所述第二发射率; 以及可选地,设置在第二层上的至少一个附加层。 一种制造孔板的方法,包括提供具有第一发射率的第一层; 在第一层上设置具有第二发射率的第二层; 其中所述第一发射率高于所述第二发射率; 可选地,在第二层上设置至少一个附加层; 以及形成至少一个孔,其中孔形成可以在将第二层设置在第一层上之前或之后。 一种喷墨打印头,其具有孔板,所述孔板包括具有第一发射率的第一层; 具有设置在所述第一层上的第二发射率的第二层; 其中所述第一发射率高于所述第二发射率; 可选地,设置在第二层上的至少一个附加层; 其中设置在第二层上方的任选的至少一个附加层中的一个是用于控制表面张力的涂层。
    • 10. 发明授权
    • Fluid dispensing subassembly with compliant film
    • 带柔顺膜的流体分配组件
    • US08603284B2
    • 2013-12-10
    • US12829019
    • 2010-07-01
    • Terrance L. StephensJohn R. AndrewsJohn S. MooreJames M. Stevenson
    • Terrance L. StephensJohn R. AndrewsJohn S. MooreJames M. Stevenson
    • B32B38/04B32B37/02
    • B41J2/055B41J2/14233B41J2002/14306B41J2002/14403
    • A fluid dispensing subassembly, includes a first set of plates including a diaphragm to be operated on by a transducer, a second set of plates including at least one manifold plate to direct ink to an aperture plate forming an exterior surface of the second set of plates, and a polymer compliant film arranged in between the first and second sets of plates to attach the first and second sets of plates together to form the fluid dispensing subassembly. A method of manufacturing a fluid dispensing subassembly includes forming a first structure of at least a diaphragm and a gap plate adjacent to at least one side of a polymer compliant film, the gap plate further including an air gap integrally formed within the gap plate, forming a second structure of at least a manifold body sealed on at least one side by the polymer compliant film, placing the polymer compliant film between the first and second structures, and using the polymer compliant film as an adhesive to attach the first and second structures of plates together, forming a fluid dispensing subassembly.
    • 流体分配子组件包括第一组板,其包括要由换能器操作的隔膜;第二组板,包括至少一个歧管板,以将油墨引导到形成第二组板的外表面的孔板 以及布置在第一组和第二组板之间的聚合物柔性膜,以将第一组和第二组板连接在一起以形成流体分配子组件。 制造流体分配子组件的方法包括:形成至少隔膜的第一结构和与聚合物柔性膜的至少一侧相邻的间隙板,所述间隙板还包括一体地形成在所述间隙板内的气隙,形成 至少一个歧管主体的第二结构,由至少一个侧面由所述聚合物柔顺膜密封,将所述聚合物柔顺膜放置在所述第一和第二结构之间,并且使用所述聚合物柔顺膜作为粘合剂以将所述第一和第二结构 在一起,形成流体分配子组件。