Overvoltage protection device
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United States of America Patent
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Mar 20, 2001
Grant Date -
N/A
app pub date -
Aug 21, 1998
filing date -
Aug 23, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an overvoltage protection device and to a method for fabricating such a device. A substrate (1) is provided with a first electrode layer (2), above which extends a second electrode layer (3) which is separated from the first electrode layer (2) by a distance (d) determined by the thickness of a spacing layer (4). The spacing layer (4) has an opening (5) which forms a cavity (6) between the electrode layers (2, 3).
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