Method of forming a micro-electromechanical (MEMS) switch
    9.
    发明授权
    Method of forming a micro-electromechanical (MEMS) switch 失效
    形成微机电(MEMS)开关的方法

    公开(公告)号:US07726010B2

    公开(公告)日:2010-06-01

    申请号:US11968896

    申请日:2008-01-03

    IPC分类号: H01H11/00 H01H65/00

    摘要: A method of fabricating a MEMS switch having a free moving inductive element within in micro-cavity guided by at least one inductive coil. The switch consists of an upper inductive coil at one end of a micro-cavity; optionally, a lower inductive coil; and a free-moving inductive element preferably made of magnetic material. The coils are provided with an inner permalloy core. Switching is achieved by passing a current through the upper coil, inducing a magnetic field unto the inductive element. The magnetic field attracts the free-moving inductive element upwards, shorting two open conductive wires, closing the switch. When the current flow stops or is reversed, the free-moving magnetic element drops back by gravity to the bottom of the micro-cavity and the conductive wires open. When the chip is not mounted with the correct orientation, the lower coil pulls the free-moving inductive element back at its original position.

    摘要翻译: 一种制造具有由至少一个感应线圈引导的微腔内的自由运动的感应元件的MEMS开关的方法。 开关由微腔一端的上感应线圈组成; 可选地,下感应线圈; 以及优选由磁性材料制成的自由移动的电感元件。 线圈设有内坡道合金芯。 通过使电流通过上部线圈,从而产生电感元件的磁场来实现切换。 磁场向上吸引自由移动的感应元件,短路两根开放的导线,闭合开关。 当电流停止或反转时,自由移动的磁性元件通过重力返回到微腔的底部并且导线打开。 当芯片没有以正确的方向安装时,下线圈将自由移动的感应元件拉回其原始位置。