公开(公告)号：US07394332B2

公开(公告)日：2008-07-01

申请号：US11217163

申请日：2005-09-01

申请人： Louis C. Hsu ,  Lowrence A. Clevenger ,  Timothy J. Dalton ,  Carl J. Radens ,  Keith Kwong Hon Wong ,  Chih-Chao Yang

发明人： Louis C. Hsu ,  Lowrence A. Clevenger ,  Timothy J. Dalton ,  Carl J. Radens ,  Keith Kwong Hon Wong ,  Chih-Chao Yang

IPC分类号： H01P1/10

CPC分类号： H01H50/005 ,  H01H2050/007 ,  Y10T29/4902 ,  Y10T29/49105 ,  Y10T29/49147

摘要： A MEM switch is described having a free moving element within in micro-cavity, and guided by at least one inductive element. The switch consists of an upper inductive coil; an optional lower inductive coil, each having a metallic core preferably made of permalloy; a micro-cavity; and a free-moving switching element preferably also made of magnetic material. Switching is achieved by passing a current through the upper coil, inducing a magnetic field in the coil element. The magnetic field attracts the free-moving magnetic element upwards, shorting two open wires and thus, 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 wires open. When the chip is not mounted with the correct orientation, gravity cannot be used. In such an instance, a lower coil becomes necessary to pull the free-moving switching element back and holding it at its original position.

摘要翻译： 描述了一种MEM开关，其具有在微腔内的自由移动元件，并由至少一个电感元件引导。 开关由上感应线圈组成; 可选的下感应线圈，每个具有优选由坡莫合金制成的金属芯; 微腔; 以及优选也由磁性材料制成的自由移动的开关元件。 通过使电流通过上部线圈来实现切换，从而在线圈元件中产生磁场。 磁场向上吸引自由移动的磁性元件，短路两根开放的电线，从而闭合开关。 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电线打开。 当芯片未正确安装时，重力不能使用。 在这种情况下，需要下部线圈将自由移动的开关元件拉回并将其保持在其原始位置。