Fins and preparation method

Fin of the present invention comprises: a heat dissipation layer having a plurality of mesh pores form, by the high-molecular substance are mixed and a solvent spinning solution or high-molecular substance, a thermally conductive material and a solvent are mixed spinning solution electrospinning form; web shape and an adhesive layer laminated on one or both sides of the heat sink layer, is formed by the adhesive, the thermally conductive material and a solvent are mixed binding substance electrospinning.