Microdosing device
    2.
    发明授权
    Microdosing device 失效
    微量滴定装置

    公开(公告)号:US06416294B1

    公开(公告)日:2002-07-09

    申请号:US09582917

    申请日:2000-08-07

    IPC分类号: F09B1700

    摘要: A volume sensor-free microdosing device comprises a pressure chamber which is at least partly delimited by a displacer, an actuating device for actuating the displacer, the volume of the pressure chamber being adapted to the changed by actuating the displacer, a media reservoir which is in fluid communication with the pressure chamber, an outlet opening which is in fluid communication with the pressure chamber, and a control mechanism. The control mechanism drives the microdosing device in such a way that a small change of volume of the pressure chamber volume is effected per unit time by a movement of the displacer from a first position to a predetermined second position, the second position of the displacer defining a larger volume of the pressure chamber than the first position, so as to suck a fluid volume into the pressure chamber, and that, in a second phase, a large volume change of the pressure chamber volume is effected per unit time by a movement of the displacer from the second position to the first position, so as to eject a defined fluid volume from the outlet opening in this way.

    摘要翻译: 无体积传感器的微量计量装置包括至少部分地由置换器限定的压力室,用于致动置换器的致动装置,压力室的体积适于通过致动置换器而改变;介质储存器, 与压力室流体连通,与压力室流体连通的出口和控制机构。 控制机构以这样一种方式驱动微量计量装置,使得通过置换器从第一位置到预定的第二位置的运动,每单位时间实现压力室体积的小的变化,位移器的第二位置限定 比第一位置更大的压力室体积,以便将流体体积吸入压力室,并且在第二阶段中,通过运动使单位时间内每单位时间内容积变化的压力室体积 所述置换器从所述第二位置到所述第一位置,以便以这种方式从所述出口开口排出限定的流体体积。

    Method and device for applying a plurality of microdroplets onto a substrate
    4.
    发明授权
    Method and device for applying a plurality of microdroplets onto a substrate 失效
    用于将多个微滴施加到基底上的方法和装置

    公开(公告)号:US07479256B1

    公开(公告)日:2009-01-20

    申请号:US10069852

    申请日:2000-04-10

    IPC分类号: B01L3/02

    摘要: A device for device for applying a plurality of microdroplets onto a substrate has a plurality of nozzle orifices in a dosing head. In addition to walls for defining a liquid column of a medium to be dosed on each nozzle orifice, a pressure chamber is provided, which is adapted to be filled with a buffer medium and which is arranged in such a way that said buffer medium can simultaneously be used for applying a pressure to the liquid-column ends which are spaced apart from the nozzle orifices. A pressure generator is provided for applying a pressure to said buffer medium in such a way that a plurality of microdroplets will simultaneously be applied onto the substrate through said plurality of nozzle orifices. Finally, liquid reservoirs for the media to be dosed, which are in fluid communication with the liquid columns on the nozzle orifices are provided.

    摘要翻译: 用于将多个微滴施加到基底上的装置的装置在计量头中具有多个喷嘴孔。 除了用于限定要在每个喷嘴孔口上定量的介质的液柱的壁之外,还提供了压力室,其适于填充有缓冲介质,并且其布置成使得所述缓冲介质可以同时 用于对与喷嘴孔间隔开的液柱端施加压力。 提供压力发生器,用于向所述缓冲介质施加压力,使得多个微滴同时通过所述多个喷嘴孔施加到基板上。 最后,提供了用于与喷嘴孔上的液体柱流体连通的介质的液体储存器。