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    • 10. 发明申请
    • Radiation Activated Micro-Fluid Ejection Devices and Methods for Ejecting Fluids
    • 辐射活化微流体喷射装置和喷射流体的方法
    • US20080117255A1
    • 2008-05-22
    • US11561692
    • 2006-11-20
    • Roger Steven CannonRobert Lee Cornell
    • Roger Steven CannonRobert Lee Cornell
    • B41J2/01
    • B41J2/14104
    • Micro-fluid ejection devices, such as inkjet printheads, such as those that use a laser to eject fluid. One such micro-fluid ejection device includes a passageway plate defining a fluid chamber filled with fluid and a fluid channel to supply the fluid chamber with fluid, a top plate provided on the passageway plate, a fluid ejection hole formed through the top plate at a position corresponding to the fluid chamber, a condenser lens provided on a bottom surface of the passageway plate at a position corresponding to the fluid chamber, and laser beam irradiator capable of irradiating a laser beam through the condenser lens and into fluid contained in the fluid chamber, wherein the fluid is nucleated by the laser beam such that a vapor bubble forms and displaces a portion of the fluid, thereby ejecting a fluid droplet through the fluid ejection hole. Method of using such devices are also disclosed.
    • 微流体喷射装置,例如喷墨打印头,例如使用激光喷射流体的那些。 一个这种微流体喷射装置包括限定充满流体的流体室的通道板和用于向流体室供应流体的流体通道,设置在通道板上的顶板,在顶板上形成的流体喷射孔, 对应于流体室的位置,在与流体室对应的位置处设置在通道板的底表面上的聚光透镜,以及能够将激光束通过聚光透镜照射到容纳在流体室中的流体的激光束照射器 ,其中所述流体被所述激光束成核,使得蒸汽气泡形成并移动所述流体的一部分,从而通过所述流体喷射孔喷射流体液滴。 还公开了使用这种装置的方法。