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    • 3. 发明授权
    • Fluidic structures
    • 流体结构
    • US07517043B2
    • 2009-04-14
    • US11014356
    • 2004-12-16
    • John S. FitchScott ElrodJurgen DanielJames W. StasiakSteven A. BuhlerBabur B. HadimiogluJoy RoyMichael C. WeisbergJames C. Zesch
    • John S. FitchScott ElrodJurgen DanielJames W. StasiakSteven A. BuhlerBabur B. HadimiogluJoy RoyMichael C. WeisbergJames C. Zesch
    • B41J2/015
    • B01L3/0268B01L2200/12B01L2300/0819B01L2400/0433B01L2400/0605B01L2400/084
    • Various fluidic techniques can employ ducting structures, such as microstructures, that extend between other components, such as plate-like structures. A ducting structure can, for example, include an inlet opening toward or near one plate-like structure, an outlet opening toward or near another plate-like structure, and a duct in which fluid flows after being received through the inlet opening and before being provided through the outlet opening. In some implementations, a ducting structure is photo-defined, such as by exposing a photoimageable structure and then removing either exposed or unexposed regions. In some implementations, a ducting structure is a freestanding polymer microstructure. In some implementations, ducting structures are microstructures that extend approximately the same length between first and second plate-like structures, and have a ratio of length to maximum cavity diameter of approximately two or more. A printhead implementation includes an array of such microstructures supported between drive side and drop side assemblies.
    • 各种流体技术可以采用在诸如板状结构的其他部件之间延伸的管道结构,例如微结构。 管道结构可以例如包括朝向或靠近一个板状结构的入口开口,朝向或接近另一个板状结构的出口,以及在通过入口开口之后流体流动的管道 通过出口开口提供。 在一些实施方案中,管道结构是光限定的,例如通过曝光可光成像的结构,然后去除暴露或未曝光的区域。 在一些实施方案中,管道结构是独立的聚合物微结构。 在一些实施方案中,管道结构是在第一和第二板状结构之间延伸大致相同长度的微结构,并且具有大约两个或更多个长度与最大腔直径的比率。 打印头实现包括支撑在驱动侧和液滴侧组件之间的这种微结构的阵列。
    • 4. 发明授权
    • Method for achieving high quality aqueous ink-jet printing on plain paper at high print speeds
    • 用于以高打印速度在普通纸上实现高质量水性喷墨打印的方法
    • US06428160B2
    • 2002-08-06
    • US09726100
    • 2000-11-29
    • Joy RoyBabur HadimiogluRichard N. EllsonRobert SpragueJames B. KrugerJohn Lennon
    • Joy RoyBabur HadimiogluRichard N. EllsonRobert SpragueJames B. KrugerJohn Lennon
    • B41J201
    • B41J11/002
    • An apparatus and method for ink-jet printing on a recording medium is provided which includes the steps of jetting aqueous ink drops on paper in the form of an image. The aqueous ink used is a slow-drying (high-surface tension) ink which does not penetrate the paper/paper fibers for a relatively long time. Prior to penetration of the paper/paper fibers, the water in the droplet is quickly evaporated from the ink while still resident on the paper surface. The evaporation process is substantially completed prior to an additional liquid ink being jetted onto the same or adjoining location of the recording medium. The evaporation is rapid enough to prevent the resident ink from substantially migrating/wicking to any adjacent location or into the recording medium. Further the drying energy is transferred to the resident ink spots from the same direction as the printheads ensuring less energy requirement.
    • 提供了一种用于在记录介质上进行喷墨印刷的设备和方法,其包括以图像形式将水性墨滴喷射在纸上的步骤。 使用的水性油墨是一种慢干(高表面张力)油墨,其不会在相对长的时间内渗透纸/纸纤维。 在纸/纸纤维渗透之前,液滴中的水从墨水中迅速蒸发,同时仍然驻留在纸张表面上。 在附加的液体墨水喷射到记录介质的相同或相邻位置之前,蒸发过程基本上完成。 蒸发速度足够快以防止驻留的墨水基本上迁移/吸附到任何相邻位置或记录介质中。 此外,干燥能量从与打印头相同的方向转移到驻留的墨点,确保较少的能量需求。
    • 5. 发明授权
    • Liquid level control in an acoustic droplet emitter
    • 声液滴发射器中的液位控制
    • US06302524B1
    • 2001-10-16
    • US09170492
    • 1998-10-13
    • Joy Roy
    • Joy Roy
    • B41J2135
    • B41J2/14008
    • An acoustic droplet emitter which a liquid level control plate has a lip in intimate contact with the free surface of a liquid is constructed. The liquid level control plate also has an effective aperture diameter at the exit edge of the plate which is larger than the effective aperture diameter at the lip. This reduces the pressure sensitivity of the free surface of the liquid and allows for the free surface of the liquid to be effectively pinned at the bottom surface of liquid level control plate for wider variations in pressure than using conventional methods.
    • 构成液面控制板具有与液体自由表面紧密接触的唇部的声液滴发射体。 液位控制板在板的出口边缘处也具有大于唇部处的有效孔直径的有效孔直径。 这降低了液体的自由表面的压力灵敏度,并且允许液体的自由表面被有效地固定在液位控制板的底表面上,用于比使用常规方法更宽的压力变化。
    • 7. 发明授权
    • Method of operating an ink jet to achieve high print quality and high
print rate
    • 操作喷墨以实现高打印质量和高打印率的方法
    • US5170177A
    • 1992-12-08
    • US807777
    • 1991-12-10
    • Douglas M. StanleyJoy RoySusan C. SchoeningJeffrey J. Anderson
    • Douglas M. StanleyJoy RoySusan C. SchoeningJeffrey J. Anderson
    • B41J2/015B41J2/045B41J2/21
    • B41J2/04516B41J2/04581B41J2/04588B41J2/2128B41J2002/14387
    • A drop-on-demand ink jet has an ink chamber coupled to a source of ink, and an ink drop orifice with an outlet. An acoustic driver produces a pressure wave in the ink and causes the ink to pass outwardly through the ink drop orifice and outlet. The driver is driven with bipolar drive pulses having a refill pulse component and an eject pulse component of a polarity which is opposite to the refull pulse component. The refill and eject pulse components are separated by a wait period. The drive pulses may be adjusted to minimize their energy content at a frequency corresponding to the dominant acoustic resonance frequency of the ink jet. This will accelerate drop breakoff, optimize drop shape and minimize drop speed variations over the range of drop printing rates. The ink jet printer of the present invention may be used to print with a wide variety of inks, including phase change inks to achieve high print quality at high print rates.
    • 按需喷墨喷墨具有联接到墨源的墨室和具有出口的墨滴孔。 声学驱动器在油墨中产生压力波,并使油墨通过墨滴孔和出口向外通过。 驱动器由具有与补偿脉冲成分相反的极性的补充脉冲成分和弹出脉冲成分的双极驱动脉冲驱动。 补充和排出脉冲组件在等待期间分开。 可以调节驱动脉冲以在与喷墨的主要声共振频率相对应的频率下最小化其能量含量。 这将加速掉落分离,优化液滴形状并最大限度地降低液滴速度的变化范围。 本发明的喷墨打印机可用于使用各种各样的油墨进行打印,包括相变油墨以在高打印速率下实现高打印质量。