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    • 5. 发明公开
    • Electrode configuration for pivotable MEMS micromirror
    • 可旋转MEMS微镜的电极配置
    • EP1479646A3
    • 2005-01-05
    • EP04405316.3
    • 2004-05-21
    • JDS Uniphase Inc.
    • Miller, John MichaelMa, YuanKeyworth, BarrieJin, WenlinHess, David R.
    • B81B7/02B81B7/04G02B26/08G02B6/35B81B7/00
    • G02B6/3584B81B3/0062B81B2201/042G02B6/3518G02B6/3544G02B6/356G02B6/357
    • A micro-electro-mechanical (MEMs) mirror device for use in an optical switch is disclosed. A "piano"-style MEMs device includes an elongated platform pivotally mounted proximate the middle thereof by a torsional hinge. The middle portion of the platform and the torsional hinge have a combined width less than the width of the rest of the platform, whereby several of these "piano" MEMs devices can be positioned adjacent each other pivotally mounted about the same axis with only a relatively small air gap therebetween. In a preferred embodiment of the present invention specially designed for wavelength switching applications, a greater range of arcuate motion for a mirror mounted thereon is provided by enabling the platform to rotate about two perpendicular axes. The MEMs mirror device according to the preferred embodiment of the present invention enables the mirror to tilt about two perpendicular axes, by the use of an "internal" gimbal ring construction, which ensures that a plurality of adjacent mirror devices have a high fill factor, without having to rely on complicated and costly manufacturing processes.
    • 公开了一种用于光开关的微机电(MEMs)镜装置。 “钢琴”式MEMS装置包括通过扭转铰链枢转地安装在其中部附近的细长平台。 平台的中间部分和扭转铰链具有小于平台其余部分的宽度的组合宽度,由此这些“钢琴”MEM装置中的几个可以被定位成彼此相邻且绕相同的轴线枢转地安装, 它们之间的小气隙。 在为波长切换应用而特别设计的本发明的优选实施例中,通过使平台围绕两个垂直轴线旋转来提供安装在其上的镜子的更大范围的弓形运动。 根据本发明的优选实施例的MEMS反射镜装置通过使用“内部”万向环结构使得反射镜能够围绕两个垂直轴倾斜,这确保了多个相邻反射镜装置具有高填充因子, 而不必依赖复杂且昂贵的制造工艺。