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    • 1. 发明申请
    • Back pressure control in inkjet printing
    • 喷墨印刷中的背压控制
    • US20070081052A1
    • 2007-04-12
    • US11248907
    • 2005-10-12
    • Hector LebronClayton HolstunDustin Blair
    • Hector LebronClayton HolstunDustin Blair
    • B41J2/17
    • B41J2/17B41J2/165B41J2002/16502
    • A method of inkjet printing includes establishing a back pressure corresponding to a desired print mode in a printhead and changing the back pressure in response to changes in print mode. A printing system for printing in a number of distinct print modes includes an inkjet pen having a printhead and a back pressure control unit having multiple back pressure settings. The back pressure is set to a first value when the printing system is operating in a first print mode to a second value when the printing system is operating in a second print mode. In another embodiment, the printing system includes structure for controlling meniscus condition in the printhead nozzles by selectively changing back pressure.
    • 一种喷墨打印方法包括在打印头中建立与所需打印模式对应的背压,并根据打印模式的变化改变背压。 用于以许多不同打印模式打印的打印系统包括具有打印头的喷墨笔和具有多个背压设置的背压控制单元。 当打印系统在第二打印模式下操作时,当打印系统以第一打印模式操作到第二值时,将背压设置为第一值。 在另一个实施例中,打印系统包括通过选择性地改变背压来控制打印头喷嘴中的弯液面状况的结构。
    • 4. 发明授权
    • Micro-pump and method for generating fluid flow
    • 微泵和产生流体流动的方法
    • US06460974B1
    • 2002-10-08
    • US09917571
    • 2001-07-27
    • Hector Lebron
    • Hector Lebron
    • B41J206
    • B41J2/04B41J2/06B41J2/14
    • Among the embodiments of the micro-pump herein described, the first includes an array containing a plurality of conductive elements. A plate covers the array and a controller supplies and controls current to the conductive elements in the array. In this embodiment, the plate can be, and preferably is, a photopolymer. Moreover, if a photopolymer is used, it is preferable to use a thin-film photopolymer having a sub-millimeter thickness. The conductive elements can have a current individually and sequentially applied therethrough or shut-off thereto by the controller. In addition, the controller operates to temporarily apply current to substantially all of the conductive elements in the array thereby enabling a fluid disposed on the plate to be separated into positively and negatively charged fluid molecules. Following this separation, the controller applies a current sequentially through selective of the conductive elements and shuts-off current thereto in a predetermined order to define a fluid flow path. A fluid disposed on the plate and separated into positively and negatively charged molecules is forced to move along the fluid flow path by a moving electromagnetic field generated by the application of current and shutting-off of current to the selective of the conductive elements. Moreover, the fluid follows the direction of the moving electromagnetic field.
    • 在这里描述的微泵的实施例中,第一个包括包含多个导电元件的阵列。 板覆盖阵列,控制器向阵列中的导电元件提供和控制电流。 在本实施例中,该板可以是,优选的是光聚合物。 此外,如果使用光聚合物,则优选使用亚毫米厚度的薄膜光聚合物。 导电元件可以通过控制器单独并顺序地施加电流,或者通过控制器将电流切断。 此外,控制器操作以暂时将电流施加到阵列中的基本上所有的导电元件,从而使得布置在板上的流体能够被分离为带正电和带负电的流体分子。 在该分离之后,控制器依次通过选择性的导电元件施加电流,并以预定顺序截止电流以限定流体流动路径。 设置在板上并被分离为带正电荷和带负电荷的分子的流体被迫通过由施加电流产生的移动电磁场和流向导电元件的选择性的电流而沿流体流动路径移动。 此外,流体遵循移动电磁场的方向。
    • 6. 发明申请
    • Fluid ejection assembly
    • 流体喷射组件
    • US20050001886A1
    • 2005-01-06
    • US10613471
    • 2003-07-03
    • Scott HockHector LebronPaul CrivelliKenneth Diest
    • Scott HockHector LebronPaul CrivelliKenneth Diest
    • B41J2/14B41J2/045
    • B41J2/14072B41J2/1404B41J2002/14379
    • A fluid ejection assembly includes at least one inner layer having a fluid passage defined therein, and first and second outer layers positioned on opposite sides of the at least one inner layer. The first and second outer layers each have a side adjacent the at least one inner layer and include drop ejecting elements formed on the side and fluid pathways communicated with the drop ejecting elements. The fluid pathways of the first and second outer layers communicate with the fluid passage of the at least one inner layer, and the at least one inner layer and the fluid pathways of the first outer layer form a first row of nozzles, and the at least one inner layer and the fluid pathways of the second outer layer form a second row of nozzles.
    • 流体喷射组件包括至少一个具有限定在其中的流体通道的内层,以及位于至少一个内层的相对侧上的第一和第二外层。 第一和第二外层各自具有邻近至少一个内层的一侧,并且包括形成在侧面上的液滴喷射元件和与液滴喷射元件连通的流体路径。 第一和第二外层的流体通道与至少一个内层的流体通道连通,并且第一外层的至少一个内层和流体通道形成第一排喷嘴,并且至少 一个内层和第二外层的流体通道形成第二排喷嘴。
    • 8. 发明申请
    • Fluid ejection assembly
    • 流体喷射组件
    • US20050206679A1
    • 2005-09-22
    • US11124957
    • 2005-05-09
    • Rio RivasPaul CrivelliTony Cruz-UribeHector Lebron
    • Rio RivasPaul CrivelliTony Cruz-UribeHector Lebron
    • B41J2/14B41J2/135
    • B41J2/1404B41J2/14072B41J2/1604B41J2/162B41J2/1625B41J2/1632B41J2002/14379
    • A fluid ejection assembly includes at least one inner layer having a fluid passage defined therein, first and second outer layers positioned on opposite sides of the at least one inner layer, and an orifice plate provided along an edge of the first and second outer layers. The first and second outer layers each have a side adjacent the at least one inner layer and include drop ejecting elements formed on the side and fluid pathways communicated with the drop ejecting elements. As such, the fluid pathways of the first and second outer layers communicate with the fluid passage of the at least one inner layer. In addition, the orifice plate includes a first row of orifices communicated with the fluid pathways of the first outer layer and a second row of orifices communicated with the fluid pathways of the second outer layer.
    • 流体喷射组件包括至少一个具有限定在其中的流体通道的内层,位于至少一个内层的相对侧上的第一和第二外层以及沿着第一和第二外层的边缘设置的孔板。 第一和第二外层各自具有邻近至少一个内层的一侧,并且包括形成在侧面上的液滴喷射元件和与液滴喷射元件连通的流体路径。 这样,第一和第二外层的流体路径与至少一个内层的流体通道连通。 此外,孔板包括与第一外层的流体通道连通的第一排孔,以及与第二外层的流体通道连通的第二排孔。