Thermally conductive composite material
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United States of America Patent
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May 12, 2020
Grant Date -
Sep 27, 2018
app pub date -
Mar 20, 2018
filing date -
Mar 24, 2017
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Abstract
There is provided a thermally conductive composite material obtained by dispersing a thermally conductive filler in a matrix. The thermally conductive filler is a mixture including boron nitride particles with an average particle size of 10 μm to 100 μm and aluminum nitride particles with an average particle size that is 1/100 to ½ of the average particle size of the boron nitride particles, a content of the boron nitride particles is 60 volume % to 90 volume % with respect to a total amount of the boron nitride particles and the aluminum nitride particles, a content of the thermally conductive filler is 80 volume % to 95 volume % with respect to a total amount of the composite material, and a porosity of the composite material is 10 volume % or less.
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