ALUMINUM NITRIDE POWDER, ITS PRODUCTION AND USE THEREOF

摘要

PURPOSE: To obtain aluminum nitride powder capable of readily sintering and handling, exhibiting high density and thermal conductivity in a sintered compact when used for sintering, and comprising particles with proper unevenness having anchor effect, but not causing a hole in adhesion between the particles and a matrix resin when used as a filler. CONSTITUTION: This aluminum nitride powder is composed of polycrystal particles incapable of clearly noticing grain boundaries and substantially having no crushed face and has 0.1-100μm aggregate particle diameter measured by a particle size distribution-measuring apparatus and 0.55-2.0g/cm heavy density and >=1.1 and <=3 value obtained by dividing number-average particle diameter obtained from SEM image with a particle diameter obtained from BET specific surface area.