| 摘要 |
<p>A glass cloth is impregnated with magnetic coating material composed of soft magnetic powder and thermosetting resin to obtain a magnetic prepreg. In order to improve the noise characteristics of a printed wiring board with excellent noise characteristics, the printed wiring board is made of the magnetic prepreg. It is preferable that the soft magnetic powder is generally flat particles. It is also desirable that the main component of the thermosetting resin is epoxy resin.</p> |
