Resistor structure of phase change material and trimming method thereof
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jul 5, 2012
app pub date -
Mar 7, 2012
filing date -
Dec 18, 2008
priority date (Note) -
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Abstract
An embodiment of a resistor formed by at least one first portion and one second portion, electrically coupled to one another and with different crystalline phases. The first portion has a positive temperature coefficient, and the second portion has a negative temperature coefficient. The first portion has a first resistivity, and the second portion has a second resistivity, and the portions are coupled so that the resistor has an overall temperature coefficient that is approximately zero.
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