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    • 3. 发明申请
    • MICROELECTROMECHANICAL RF SWITCH
    • 微电子机电RF开关
    • WO2004059679A1
    • 2004-07-15
    • PCT/US2003/040013
    • 2003-12-17
    • NORTHROP GRUMMAN CORPORATION
    • BLUZER, Nathan
    • H01H59/00
    • H01H59/0009H01H2001/0089H01H2059/0018H01H2059/0036H01H2059/0072
    • A MEMS switch with a bridge having three symmetric arms each having one end connected to a support arrangement and another end integral with a common central bridge portion. First and second conductors are deposited on a substrate, with the first conductor having an end with an open area which encompasses a pull down electrode which is also on the substrate, and of a height less than that of the conductor. A control voltage applied to the pull down electrode causes downward movement of the bridge, to present a relatively low impedance, thereby allowing a signal to propagate between the first and second conductors, without the bridge touching the pull down electrode. Each of the arms is slotted to reduce curl-induced stiffness.
    • 具有三个对称臂的桥的MEMS开关,每个臂具有连接到支撑装置的一端和与公共中心桥接部分成一体的另一端。 第一和第二导体沉积在衬底上,其中第一导体具有开口区域的端部,该开口区域也包围也在衬底上的下拉电极,并且具有比导体的高度的高度。 施加到下拉电极的控制电压引起桥的向下移动,以呈现相对低的阻抗,从而允许信号在第一和第二导体之间传播,而桥不接触下拉电极。 每个臂都开槽以减少卷曲引起的刚度。
    • 7. 发明申请
    • METHOD AND ARRANGEMENT FOR CONTROLLING MICROMECHANICAL ELEMENT
    • 用于控制微电子元件的方法和装置
    • WO01080266A1
    • 2001-10-25
    • PCT/FI2001/000369
    • 2001-04-12
    • B81B3/00H01H47/00H01H47/32H01H59/00H01H1/00
    • H01H47/325H01H59/0009H01H2059/0036H01H2059/0063
    • The invention relates to a controlling of micromechanical elements. Especially the invention relates to the controlling of the micromechanical switches. According to a method for controlling at least one micromechanical element a first control signal and a second control signal are fed to the micromechanical element. The second control signal is arranged to set the micromechanical element to an active state and the first control signal is arranged to hold the micromechanical element in the active state. An arrangement for controlling at least one micromechanical element (402) contains at least means for generating at least a first control signal and a second control signal, means for raising a voltage level of at least the second control signal and means for feeding the first control signal and the second control signal with raised voltage level to the micromechanical element. By means of the invention lower voltage levels can be used in micromechanical applications.
    • 本发明涉及微机械元件的控制。 特别地,本发明涉及微机械开关的控制。 根据用于控制至少一个微机械元件的方法,第一控制信号和第二控制信号被馈送到微机械元件。 第二控制信号被布置成将微机械元件设置为有效状态,并且第一控制信号被布置成将微机械元件保持在活动状态。 用于控制至少一个微机械元件(402)的装置至少包含用于产生至少第一控制信号和第二控制信号的装置,用于提高至少第二控制信号的电压电平的装置和用于馈送第一控制信号的装置 信号和具有升高的电压水平的微机电元件的第二控制信号。 通过本发明,可以在微机械应用中使用较低的电压电平。
    • 9. 发明申请
    • SWITCH DEVICE
    • 开关装置
    • WO2003083886A1
    • 2003-10-09
    • PCT/GB2003/001304
    • 2003-03-26
    • QINETIQ LIMITEDBRUNSON, Kevin, MichaelCOMBES, David, JonathanKINGS, David, Oury
    • COMBES, David, JonathanKINGS, David, Oury
    • H01H59/00
    • H01H59/0009H01H47/325H01H2059/0036H01H2059/0063
    • The present invention relates to a switch device (10) comprising a first actuation electrode (11) and a second actuation electrode (12) and a first contact electrode (16) and a second contact electrode (17), the first actuation electrode (11) and first contact electrode (16) being mounted on at least part of, or forming at least part of, a resiliently flexible arm (13), the switch further comprising an electrical actuation means (21, 22, 23) for, when in use, applying a first inter-electrode potential difference between the first electrode (11) and the second electrode (12); characterised in that the electrical actuation means further comprises a resonance means for, when in use, varying the first inter-electrode potential difference in such a manner that mechanical resonance is caused to occur in the resiliently flexible arm (13). The resonance means comprises an electrical feedback circuit.
    • 本发明涉及包括第一致动电极(11)和第二致动电极(12)和第一接触电极(16)和第二接触电极(17)的开关装置(10),第一致动电极(11) )和第一接触电极(16)安装在弹性柔性臂(13)的至少一部分或至少部分形成弹性柔性臂(13),所述开关还包括电致动装置(21,22,23),用于当处于 使用在第一电极(11)和第二电极(12)之间施加第一电极间电位差; 其特征在于,电致动装置还包括谐振装置,用于在使用时改变第一电极间电位差,使得在弹性柔性臂(13)中发生机械共振。 谐振装置包括电反馈电路。