| abstract |
A particle size distribution comprising a resin layer containing an epoxy resin monomer, a curing agent and a filler, and an adhesive layer disposed on at least one surface of the resin layer, wherein the filler is measured using a laser diffraction method In which the filler has a peak in each range of 0.01 μm to less than 1 μm, 10 μm to 100 μm, and the filler having a particle diameter of 10 μm to 100 μm includes a boron nitride filler It is. |