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    • 41. 发明授权
    • Wafer chuck for inducing an electrical bias across wafer heterojunctions
    • 用于在晶片异质结上引起电偏置的晶片卡盘
    • US5865938A
    • 1999-02-02
    • US670042
    • 1996-06-25
    • Eric PeetersJoel A. Kubby
    • Eric PeetersJoel A. Kubby
    • C23F4/00B81C1/00H01L21/302H01L21/3065H01L21/683H01L49/00C23F1/08C23F1/00
    • B81C1/00531H01L21/6833
    • A dry etch apparatus for micromachining a substrate having a first and a second layer of dissimilar materials joined together at a heterojunction includes a chuck for holding the substrate. The chuck has a first electrical contact positionable to contact the first layer, and second electrical contact positionable to contact the second layer, with the first and second electrical contacts being electrically isolated from each other. A voltage source is connected to the first electrical contact of the chuck to apply a voltage potential across the heterojunction of the substrate. When a plasma containing chemically reactive ions is directed against the second layer, etching of non-masked regions continues unless it is substantially stopped at the voltage biased substrate heterojunction. The substrate can be cooled or periodically recoated with erodable protective material to limit sidewall damage to the substrate while still allowing downward etching into the substrate. This dry etch process is well suited for construction of dimensionally accurate microdevices and microelectromechanical systems.
    • 用于微加工具有异质结连接在一起的第一和第二不同材料层的衬底的干蚀刻装置包括用于保持衬底的卡盘。 卡盘具有可定位成与第一层接触的第一电接触件和可定位成接触第二层的第二电接触件,第一和第二电接触件彼此电隔离。 电压源连接到卡盘的第一电触点,以跨越衬底的异质结施加电压电位。 当含有化学反应性离子的等离子体指向第二层时,非掩蔽区域的蚀刻继续进行,除非其基本上停在电压偏置衬底异质结上。 可以用可侵蚀的保护材料冷却或周期性地重新涂覆衬底,以限制对衬底的侧壁损伤,同时仍然允许向下蚀刻到衬底中。 这种干蚀刻工艺非常适用于尺寸精确的微型器件和微机电系统的构造。
    • 43. 发明授权
    • Optical shuttle system and method used in an optical switch
    • 用于光开关的光梭系统和方法
    • US07116855B2
    • 2006-10-03
    • US10879094
    • 2004-06-30
    • Fuqian YangJoel A. KubbyAlex T. TranJun Ma
    • Fuqian YangJoel A. KubbyAlex T. TranJun Ma
    • G02B6/35
    • G02B6/3508G02B6/3546G02B6/3548G02B6/3576G02B6/358G02B6/3584G02B6/3596
    • An optical shuttle system for routing signals in a communications system that includes a terminal connected to a power source, a shuttle that includes waveguides used for routing the signals, and a beam connected to the terminal and the shuttle so that the beam suspends the shuttle. When power from the power source is applied to the terminal, the beam drives a movement of the shuttle. Furthermore, a method of using an optical shuttle system for routing signals in a communications system, the method includes connecting a terminal to a power source, connecting a shuttle to a beam to suspend the shuttle, and applying power from the power source to the terminal so that the beam drives a movement of the shuttle in a direction substantially perpendicular to a direction of the beam.
    • 一种用于在通信系统中路由信号的光梭系统,其包括连接到电源的终端,包括用于路由信号的波导的梭,以及连接到终端和梭的梁,使得梁悬挂在梭上。 当来自电源的电力施加到端子时,梁驱动梭子的运动。 此外,一种使用光梭系统在通信系统中路由信号的方法,所述方法包括将终端连接到电源,将梭子连接到波束以暂停梭子,以及将来自电源的功率施加到终端 使得光束在基本上垂直于光束的方向的方向上驱动梭子的运动。