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MEMS device having formations for covering actuators of the device

  • US 7,055,933 B2
  • Filed: 11/08/2004
  • Issued: 06/06/2006
  • Est. Priority Date: 07/15/1997
  • Status: Expired due to Fees
First Claim
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1. A micro-electromechanical device that comprisesa substrate;

  • an elongate actuator that has a fixed end that is connected to the substrate and a movable end, the actuator being configured so that the movable end is displaced relative to the substrate on receipt of an actuation signal;

    a motion-transmitting structure that is fast with the movable end of the actuator, the motion transmitting structure being connected to a working member so that movement of the actuator is translated to the working member; and

    a covering formation that is positioned on the substrate so that the substrate, the covering formation and the motion-transmitting structure define an air chamber, the actuator being positioned within the air chamber.

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