| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermosetting resin composition which has a black external appearance, does not cause the lowering of the glass transition point (Tg) as a printed wiring board and does not decrease electrical insulating properties and reliability, and is suitable in producing a laminate enabling the examination of external appearance by the system of detecting fluorescence, a prepreg, a metal-clad laminate and a printed wiring board. <P>SOLUTION: The black thermosetting resin composition including a dye comprises 0.05-5 mass% of an anthraquinone-based compound as the dye, and the prepreg, the metal-clad laminate and the printed wiring board are disclosed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
