Method and apparatus for performing rapid thermo cycling as well as micro fabricated system
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United States of America Patent
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Issued Date -
Apr 20, 2006
app pub date -
Sep 13, 2005
filing date -
Sep 16, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method to adjust a temperature of a fluid is disclosed, the method comprising the steps of providing a heat sink taking effect on the fluid, heating the fluid by Joule heating, and adjusting the heat provided by Joule heating in order to reach a desired temperature of the fluid. Furthermore, an apparatus to carry out the method is also disclosed. Therewith, a very efficient temperature change of the fluid can very quickly be obtained since the temperature of the surrounding is not substantially changed by heat diffusion. While a temperature increase is carried out by Joule heating, a temperature decrease is carried out by simply deactivating Joule heating. As soon as Joule heating is deactivated, the heat is extracted from the fluid by the heat sink, thereby initiating a high speed temperature change towards lower temperatures.
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