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    • 7. 发明授权
    • Gas extraction device for extracting gas from a microfluidics system
    • 用于从微流体系统中提取气体的气体提取装置
    • US06398850B1
    • 2002-06-04
    • US09892203
    • 2001-06-25
    • Leslie A. FieldDavid K. DonaldPhillip W. BarthJonathan ServaitesStorrs T. Hoen
    • Leslie A. FieldDavid K. DonaldPhillip W. BarthJonathan ServaitesStorrs T. Hoen
    • B41J219
    • B41J2/19
    • A thermally-activated gas extraction device that comprises a bubble capture chamber, an exhaust manifold, a tapered extraction chamber and an extraction heater associated with the tapered extraction chamber. The tapered extraction chamber extends from the bubble capture chamber towards the exhaust manifold and has a cross-sectional area that increases towards the exhaust manifold. A gas removal method in which the gas extraction device is provided, a bubble of gas is accumulated in the bubble capture chamber, a portion of the liquid in the tapered extraction chamber heated to nucleate a bubble of vapor, and the bubble of vapor is heated to explosively expand the bubble of vapor into contact with the walls of the tapered extraction chamber and into contact with the bubble of gas to form a composite bubble. Contact with the walls of the tapered extraction moves the composite bubble towards the exhaust manifold. Finally, heating of the composite bubble is discontinued to condense the vapor in the composite bubble.
    • 一种热活化气体提取装置,其包括气泡捕获室,排气歧管,锥形抽出室和与锥形抽出室相关联的抽出加热器。 锥形抽出室从气泡捕获室朝向排气歧管延伸并且具有朝向排气歧管增加的横截面面积。 一种气体去除方法,其中提供气体提取装置,气体的气泡积聚在气泡捕获室中,锥形抽出室中的一部分液体被加热以使蒸汽的气泡成核,并且蒸气的气泡被加热 以将爆炸性地膨胀蒸汽气泡与锥形抽出室的壁接触并与气泡接触以形成复合气泡。 与锥形提取物的壁接触将复合气泡朝向排气歧管移动。 最后,中止复合气泡的加热以冷凝复合气泡中的蒸汽。
    • 8. 发明授权
    • Optical cross-connect switch using electrostatic surface actuators
    • 使用静电表面致动器的光交叉开关
    • US06215222B1
    • 2001-04-10
    • US09281698
    • 1999-03-30
    • Storrs T. Hoen
    • Storrs T. Hoen
    • G02B2608
    • G02B6/3584G02B6/3518G02B6/3546G02B6/3566G02B6/357H02N1/006
    • A system and a method of steering optical beams utilize a surface electrostatic actuator to mechanically pivot a micromirror to selectively redirect a received optical beam to a predetermined destination. In a preferred application, the system is an optical switch that can optically couple a number of first optical fibers to a number of second optical fibers in one of many configurations. As an optical switch, the system includes a number of switching devices that operate to couple the optical fibers. Each switching device includes a surface electrostatic actuator and a micromirror to reflect a received optical signal to a selected optical fiber. The electrostatic actuator includes a translator and a stator that are separated by a short distance. The opposing surfaces of the translator and stator include a number of drive electrodes. These electrodes generate electrostatic forces between the translator and the stator. The translator is laterally displaced when the electrostatic forces are modified. The modification of the electrostatic forces is accomplished by reconfiguring a voltage pattern of the drive electrodes on the translator and/or the stator. The lateral displacement of the translator pivots the micromirror, which is mechanically attached to the translator. Pivoting the micromirror from a non-reflective orientation to a reflective orientation equates to activating the switching device. When activated, the micromirror of the switching device reflects the received optical signal to the selected optical fiber. In the preferred embodiment, the translator and the stator further include levitator electrodes that generate repulsive forces to negate any attractive forces between the translator and the stator.
    • 一种用于转向光束的系统和方法利用表面静电致动器来机械地枢转微镜以选择性地将接收到的光束重定向到预定的目的地。 在一个优选的应用中,该系统是一种光学开关,其可以将许多第一光纤光学地耦合到许多配置之一的多个第二光纤。 作为光开关,该系统包括多个用于耦合光纤的开关装置。 每个开关装置包括表面静电致动器和微镜,以将接收到的光信号反射到所选择的光纤。 静电致动器包括被短距离分离的平移器和定子。 转子和定子的相对表面包括多个驱动电极。 这些电极在平移器和定子之间产生静电力。 当静电力被修改时,转换器被横向移位。 通过重新配置转换器和/或定子上的驱动电极的电压模式来实现静电力的修改。 翻转器的横向位移使微反射镜机械地附接到转换器。 将微镜从非反射取向枢转到反射取向等于启动开关装置。 当激活时,开关装置的微反射镜将接收到的光信号反射到所选择的光纤。 在优选实施例中,平移器和定子进一步包括产生排斥力以抵消翻译器和定子之间的任何吸引力的浮动器电极。