Patent ID: 8153247

Claim:
An ABS resin molded part, comprising: an injection molded part being made of a carbon black particulate filler having an average particle diameter of 0.5 μm or less and an ABS resin comprising butadiene particles, wherein the carbon black particulate filler is included in the ABS resin in an amount of 0.1 to 0.5 weight percent, and the injection molded part having a shape including a step portion, wherein on a first side of the step portion, the molded part has a thickness greater than a thickness of the molded part on a second side of the step portion adjoining the first side, the butadiene particles have a substantially same shape on both the first side and the second side of the step portion; etching pits formed on a surface of the injection molded part by etching the butadiene particles; and a plating coat formed on the surface of the injection molded part.