| 摘要 |
PURPOSE:To enable the application of markings of the color different from the color of molded goods by irradiating the molded goods with a laser beam. CONSTITUTION:A material contg. a thermosetting synthetic resin selected from either of a urea resin and phenolic resin, silicon and pigments is molded by a direct molding method to obtain the molded goods 4. The surface of the molded goods 4 is irradiated with a laser beam having >=30000kW/cm<2> energy density by using a laser beam source 1 and a deflector 2, by which the white marks 6 are put thereon. |
