Overdrive structures for flexible electrostatic switch
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United States of America Patent
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May 4, 2004
Grant Date -
Jan 29, 2004
app pub date -
May 6, 2002
filing date -
Sep 7, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A MEMS (Micro Electro Mechanical System) electrostatically operated high voltage switch or relay device is provided. These devices can switch high voltages while using relatively low electrostatic operating voltages. The MEMS device comprises a substrate, a substrate electrode, and one or more substrate contacts. The MEMS device also includes a flexible composite overlying the substrate, one or more composite contacts, and at least one insulator. The switch or relay device is provided overdrive potential through protrusions on the contact surface of the switch or relay contacts. In one embodiment the substrate contacts define protrusions on the contact surface that extend toward the flexible composite contacts. In another embodiment the flexible composite contacts define protrusions on the contact surface that extend toward the substrate contacts.
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