Temperature fuse and sliding electrode used for temperature fuse
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United States of America Patent
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Oct 4, 2016
Grant Date -
Oct 16, 2014
app pub date -
Nov 19, 2012
filing date -
Nov 22, 2011
priority date (Note) -
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Abstract
A temperature fuse includes a cylindrical metal case, a sliding electrode slidable over an inner surface of the metal case, and a terminal electrically connected to the metal case while the sliding electrode is in contact therewith, during activation, the sliding electrode moving away from the terminal so that electrical connection between the metal case and the terminal is cut off, the sliding electrode being formed by working a thin metal plate, the sliding electrode including at least a base material layer composed of copper or a copper alloy and a first surface layer composed of silver or a silver alloy, and a site of contact with the terminal being the first surface layer having a thickness not smaller than 5 μm.
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