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    • 2. 发明授权
    • MEMS switch and fabrication method
    • MEMS开关和制造方法
    • US08513745B2
    • 2013-08-20
    • US12996505
    • 2009-05-29
    • Peter Gerard SteenekenHilco SuyMartijn GoossensOlaf Wunnicke
    • Peter Gerard SteenekenHilco SuyMartijn GoossensOlaf Wunnicke
    • H01L29/84
    • H01H59/0009
    • A MEMS switch (1, 81), and methods of fabricating thereof, the switch comprising: a sealed cavity (24); and a membrane (26); wherein the sealed cavity (24) is defined in part by the membrane (26); and the membrane is a 5 metallic membrane (26), for example consisting of a single type of metal or metal alloy. The MEMS switch (1, 81) may comprise a top electrode (30), for example extending into the cavity (24), located in a hole (32) in the metallic membrane (26). Fabrication may include providing a sacrificial layer (22) in a partly defined cavity (24). The bending stiffness of the membrane (26) may be 10 higher along an RF line (102) than along a line (104) perpendicular to the RF line (102), for example by virtue of the cavity (24) being elliptical.
    • 一种MEMS开关(1,81)及其制造方法,所述开关包括:密封空腔(24); 和膜(26); 其中所述密封空腔(24)部分地由所述膜(26)限定; 并且膜是例如由单一类型的金属或金属合金组成的5金属膜(26)。 MEMS开关(1,81)可以包括位于金属膜(26)中的孔(32)中的顶部电极(30),例如延伸到空腔(24)中。 制造可以包括在部分限定的空腔(24)中提供牺牲层(22)。 沿着RF线(102),例如通过空腔(24)是椭圆形的,膜(26)的弯曲刚度可以比垂直于RF线(102)的线(104)高10。
    • 3. 发明申请
    • RF MEMS SWITCH WITH A GRATING AS MIDDLE ELECTRODE
    • RF MEMS开关作为中间电极
    • US20120048709A1
    • 2012-03-01
    • US13319034
    • 2010-05-07
    • Peter Gerard SteenekenHilco SuyRodolf HerfstTwan Van Lippen
    • Peter Gerard SteenekenHilco SuyRodolf HerfstTwan Van Lippen
    • H01H59/00
    • H01H59/0009H01H2059/0018
    • The present invention provides a capacitive MEMS device comprising a first electrode lying in a plane, and a second electrode suspended above the first electrode and movable with respect to the first electrode. The first electrode functions as an actuation electrode. A gap is present between the first electrode and the second electrode. A third electrode is placed intermediate the first and second electrode with the gap between the third electrode and the second electrode. The third electrode has one or a plurality of holes therein, preferably in an orderly or irregular array. An aspect of the present invention integration of a conductive, e.g. metallic grating as a middle (or third) electrode. An advantage of the present invention is that it can reduce at least one problem of the prior art. This advantage allows an independent control over the pull-in and release voltage of a switch.
    • 本发明提供了一种电容MEMS器件,其包括位于平面中的第一电极和悬挂在第一电极上方并可相对于第一电极移动的第二电极。 第一电极用作致动电极。 在第一电极和第二电极之间存在间隙。 第三电极被放置在第一和第二电极之间,第三电极和第二电极之间具有间隙。 第三电极在其中具有一个或多个孔,优选为有序或不规则的阵列。 本发明的一个方面是导电的,例如, 金属光栅作为中间(或第三)电极。 本发明的优点在于它可以减少至少一个现有技术的问题。 这个优点允许独立控制开关的拉入和释放电压。
    • 4. 发明申请
    • MEMS SWITCH AND FABRICATION METHOD
    • MEMS开关和制造方法
    • US20110147861A1
    • 2011-06-23
    • US12996505
    • 2009-05-29
    • Peter Gerard SteenekenHilco SuyMartijn GoossensOlaf Wunnicke
    • Peter Gerard SteenekenHilco SuyMartijn GoossensOlaf Wunnicke
    • H01L29/66H01L21/50
    • H01H59/0009
    • A MEMS switch (1, 81), and methods of fabricating thereof, the switch comprising: a sealed cavity (24); and a membrane (26); wherein the sealed cavity (24) is defined in part by the membrane (26); and the membrane is a 5 metallic membrane (26), for example consisting of a single type of metal or metal alloy. The MEMS switch (1, 81) may comprise a top electrode (30), for example extending into the cavity (24), located in a hole (32) in the metallic membrane (26). Fabrication may include providing a sacrificial layer (22) in a partly defined cavity (24). The bending stiffness of the membrane (26) may be 10 higher along an RF line (102) than along a line (104) perpendicular to the RF line (102), for example by virtue of the cavity (24) being elliptical.
    • 一种MEMS开关(1,81)及其制造方法,所述开关包括:密封空腔(24); 和膜(26); 其中所述密封空腔(24)部分地由所述膜(26)限定; 并且膜是例如由单一类型的金属或金属合金组成的5金属膜(26)。 MEMS开关(1,81)可以包括位于金属膜(26)中的孔(32)中的顶部电极(30),例如延伸到空腔(24)中。 制造可以包括在部分限定的空腔(24)中提供牺牲层(22)。 沿着RF线(102),例如通过空腔(24)是椭圆形的,膜(26)的弯曲刚度可以比垂直于RF线(102)的线(104)高10。
    • 6. 发明授权
    • MEMS switch
    • MEMS开关
    • US08456260B2
    • 2013-06-04
    • US12942051
    • 2010-11-09
    • Peter Gerard SteenekenHilco Suy
    • Peter Gerard SteenekenHilco Suy
    • H01H51/22
    • H01H59/0009H01H1/20Y10T29/49105
    • A MEMS switch comprises a substrate, first and second signal lines over the substrate, which each terminate at a connection region, a lower actuation electrode over the substrate and movable contact electrode suspended over the connection regions of the first and second signal lines. An upper actuation electrode is provided over the lower actuation electrode. The connection regions of the first and second signal lines are at a first height from the substrate, wherein signal line portions extending from the connection regions are at a lower height from the substrate, and the lower actuation electrode is provided over the lower height signal line portions, so that the lower height signal line portions are buried. The area available for the actuation electrodes becomes larger and undesired forces and interference are reduced.
    • MEMS开关包括衬底,衬底上的第一和第二信号线,其每个终止于连接区域,衬底上的下部致动电极和悬挂在第一和第二信号线的连接区域上的可动接触电极。 上致动电极设置在下致动电极上。 第一信号线和第二信号线的连接区域处于距离基板的第一高度,其中从连接区域延伸的信号线部分处于距离基板的较低高度,并且下部致动电极设置在下部高度信号线 使得下部高度信号线部分被埋入。 可用于致动电极的面积变大,并且减少了不期望的力和干扰。