Time-related temperature variation transducer, electronic chip incorporating this transducer and method of fabrication of this chip
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United States of America Patent
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Aug 12, 2014
Grant Date -
Nov 17, 2011
app pub date -
May 5, 2011
filing date -
May 6, 2010
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Abstract
A transducer for transducing time-related temperature variations into a difference in potentials includes an upper conductive electrode designed to be exposed to a time-related temperature variation to be measured, a lower conductive electrode, and at least one layer of pyroelectric material based on a III-V nitride directly interposed between the upper and lower conductive electrodes to generate, between the upper and lower conductive electrodes, a difference in potentials corresponding to the temperature variation even in the absence of external mechanical stress.
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