High voltage over-current protection device and manufacturing method thereof
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United States of America Patent
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Issued Date -
Feb 1, 2007
app pub date -
Jan 17, 2006
filing date -
Jul 27, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention is to provide a high voltage over-current protection device and a manufacturing method thereof, in which PTC polymers are cross-linked by chemical cross-linking. With the method of the present invention, the high voltage endurance of the PTC devices is enhanced. In addition, the internal stress and degradation of polymers caused by irradiation treatment are prevented.
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