Carbon fiber base material, a prepreg and carbon fiber reinforced composite material

And continuous continuous carbon fiber made of carbon fiber layers, the short carbon fiber web having an average fiber length which is provided on one side or both sides of the continuous carbon fiber layer 2 to have 12mm of short carbon fibers dispersed in monofilament form carbon-fiber material composed. A carbon fiber base material, the prepreg comprising a matrix resin impregnated into the carbon fiber substrate. And wherein the carbon fiber base material, carbon fiber reinforced composite material comprising a matrix resin impregnated cured in the carbon fiber substrate.