Power-measured pulses for thermal trimming
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United States of America Patent
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Apr 3, 2012
Grant Date -
Jan 26, 2012
app pub date -
May 2, 2011
filing date -
Jan 30, 2006
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Abstract
A method for post-thermal-trimming annealing a thermally-trimmable resistor thermally-isolated on a substrate, the method comprising: trimming said thermally-trimmable resistor by applying a first power-measured signal to a heating resistor; and applying a second power-measured signal corresponding to a desired average annealing temperature to said heating resistor, wherein said second power-measured signal has a lower power level than said first power-measured signal.
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