Overcurrent protection structure and method and apparatus for making the same
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United States of America Patent
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May 15, 2012
Grant Date -
Aug 19, 2010
app pub date -
Apr 17, 2008
filing date -
Apr 17, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
The overcurrent protection structure according to the present invention mainly comprises a fusible fuse structure unit disposed in a coating, and the both ends of the fusible fuse structure unit extend outwardly beyond the coating and form a first electrode and a second electrode. In the manufacturing process, the gas-assisted injection molding process enables at least one space for accommodating gas disposed between the fusible fuse structure unit and the coating such that the heat generated by the electrically energized the fusible fuse structure unit will not dissipate through the heat conduction of the coating in order to ensure that it will blow at high temperature when reaching a specific current or a specific temperature and the circuit protection effect.
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