HEAT TREATMENT BY INJECTION OF A HEAT-TRANSFER GAS
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United States of America Patent
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Issued Date -
Mar 20, 2014
app pub date -
May 3, 2012
filing date -
May 10, 2011
priority date (Note) -
Abandoned
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Abstract
A heat treatment of a precursor that reacts with temperature, and that comprises in particular the steps of: preheating or cooling a heat-transfer gas to a controlled temperature, and injecting the preheated or cooled gas over the precursor. Advantageously, besides the temperature of the heat-transfer gas, the following are also controlled: the flow rate of the gas at the injection over the precursor, and also a distance between the precursor and an outlet for injection of the gas over the precursor, in order to finely control the temperature of the precursor receiving the injected gas.
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