SILICON NITRIDE FILLER, RESIN COMPOSITE, INSULATING SUBSTRATE, AND SEMICONDUCTOR SEALANT

摘要

PROBLEM TO BE SOLVED: To provide a silicon nitride filler that exhibits high heat radiation performance when added to rubber, resin or the like constituting an insulation member to make a resin composite.SOLUTION: A silicon nitride filler comprises 50 vol.% or more of coagulation particles with a particle size of 5μm or more and 200μm or less, the coagulation particles containing silicon nitride particles of a columnar shape.