SURFACE-TREATED METAL MATERIAL, CARRIER-ATTACHED METAL FOIL, CONNECTOR, TERMINAL, LAMINATED ARTICLE, SHIELD TAPE, SHIELD MATERIAL, PRINTED WIRING BOARD, WORKED METAL MEMBER, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING PRINTED WIRING BOARD

摘要

PROBLEM TO BE SOLVED: To provide a surface-treated metal material having excellent heat absorbancy and heat dissipation properties.SOLUTION: The surface-treated metal material for heat dissipation has a heat conductivity of the metal material of 32 W/(m K) or above, and a color difference L of the surface based on JISZ8730 satisfying L-40.SELECTED DRAWING: Figure 1