Ring oscillator based chemical sensor
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United States of America Patent
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Apr 20, 1999
Grant Date -
N/A
app pub date -
Nov 25, 1997
filing date -
Nov 25, 1997
priority date (Note) -
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Abstract
A chemical sensor couples a material that changes temperature in response to a chemical condition with an oscillator. The oscillator is coupled to the material to detect the change in temperature in the material so that the frequency of the oscillator changes in correspondence with the change in temperature as an indication of the chemical condition.
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