1.Alu fins stick copper plate 2.Material:Al 6061 3.Electraless nickel:MIL-C-2607E42% ... paste 4.Heat sink Product Name: Alu fins stick copper plate Material: 6061-T6 & fins - 110 alloyPrecision: +/- 0.05mmElectraless nickel : ... , Medical, Semicon, Energy, Consumer Product and Telecom.Surface TreatmentHard Anodizing, Teflon Coating, TiO2 Coating, Silver Plating, Nickel Plating, Polishing, Oxiding,Sand ...