Resistance heating element and heating member and fusing device employing the same
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United States of America Patent
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Oct 20, 2015
Grant Date -
Jul 24, 2014
app pub date -
Dec 2, 2013
filing date -
Jan 18, 2013
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Abstract
A resistance heating element includes a positive temperature coefficient resistance heating layer having a positive temperature coefficient, and a negative temperature coefficient resistance heating layer, which is connected to the positive temperature coefficient resistance heating layer and has a negative temperature coefficient.
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