parts 3 5 parts 4 parts or 4 5 parts in the present invention the silicone resin composition further comprises 0 60 parts of a filler the filler is any one or a mixture of at least two of alumina aluminum hydroxide silica zinc oxide mica powder aluminum nitride boron nitride silicon carbide barium sulfate titanium dioxide zinc borate fumed silica talc powder magnesium hydroxide or boehmite the content of the filler is for example 5 parts 14 parts 18 parts 22 parts 26 parts 30 parts 34 parts 38 parts 42 parts 46 parts 50 parts 54 parts or 58 parts in the present invention the particle size of the filler is not particularly limited but is preferably 10 u03bcm or less more preferably 5 u03bcm or less wherein the crosslinking agent of the organic silicone resin is any one or a mixture of at least two of methyl hydrogen silicone oil methylphenyl hydrogen silicone oil methyl hydrogen silicone resin or methylphenyl hydrogen silicone resin and the molar ratio of si u2014 h in the crosslinking agent to the si vi in the organic silicone resin is 1 0 1 7 term u201c comprise s u201d as used in the present invention means that in addition to the described components other components may be included which impart different characteristics to the silicone resin composition besides term u201c comprise s u201d as used in the present invention can also be replaced by closed phrase u201c is are u201d or u201c consist s of u201d for example the silicone.