METHOD OF MANUFACTURING WATER RESISTANT ALUMINIUM NITRIDE
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United States of America Patent
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Issued Date -
Mar 6, 2014
app pub date -
Apr 27, 2012
filing date -
Apr 28, 2011
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Abandoned
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Abstract
The present invention relates to a method of manufacturing water resistant aluminum nitride powder, the method comprises; in a solvent, performing phosphoric acid compound treatment in which at least one phosphoric acid compound selected from the group consisting of phosphoric acid, metal salts of phosphoric acid and organic phosphoric acid having an organic group with 12 or less carbon atoms is contacted with aluminum nitride powder dispersed in the solvent so that the ratio of median diameter/primary particle diameter is 1.4 to 5, thereby the phosphoric acid compound is present on the surface of the aluminum nitride powder at a rate of 0.5 to 10 mg/m2 in the orthophosphoric acid ion equivalence.
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