High thermal conductivity composite resin sheet filled with large diameter aluminum nitride and aggregated boron nitride

In order to investigate the possibility of high thermal conductivity material, composite resin sheets combining large grain size AlN filler and agglomerated BN filler were prepared and heat conductivity characteristics were evaluated. In combination with BN filler, the superiority of AlN filler to Al
₂
O
₃
filler was confirmed. We investigated the influence of particle size and blending amount of AlN filler and sheet forming conditions and discussed the problem of high thermal conductivity.