| 摘要 |
PURPOSE:To prevent troubles of radio waves by using parts each having a layer contg. silicon carbide powder as a principal component or silicon carbide powder and carbon powder as principal components as parts for a disk player. CONSTITUTION:An intermediate layer 3 of a synthetic resin mixed with silicon carbide powder or silicon carbide powder and carbon powder is interposed between layers 1, 2 of only the synthetic resin. Radio waves are induced and absorbed. Accordingly, troubles are prevented. |
