Switches and switching systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 16, 2000
Grant Date -
N/A
app pub date -
Aug 24, 1998
filing date -
Nov 14, 1995
priority date (Note) -
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Abstract
An electrical switch has an evacuated housing with input and output terminals each connected to a respective group of metal tracks extending parallel and insulated from one another. A second silicon plate is cut to form several bridging elements, each having a metal layer on its upper and lower surface. Each bridging element extends transversely above tracks connected to different ones of the terminals. The housing is closed by a silicon cap having actuating tracks extending above the bridging elements, which form an electrostatic actuator with the metal layer on the upper surface of the bridging elements. When a voltage is applied to the electrostatic actuator, the bridging elements are driven down so that they contact tracks connected to different ones of the terminals and allow current to flow between them.
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