| 摘要 |
PROBLEM TO BE SOLVED: To provide a power circuit device for inhibiting loss due to eddy current if a large current of high frequency flows, and capable of keeping heat dissipation. SOLUTION: A wiring member 2 in which a large current of high frequency flows is mounted on a metal plate 1 via an insulative magnetic layer 5, and in addition, an electronic component 3 and a switching element 4 are mounted on the wiring member 2. Thus, a magnetic flux generated by the current flowing in the wiring member 2 flows to the magnetic layer 5 with a small magnetic resistance and does not reach the metal plate 1. By making such a shield, generation of eddy current on the metal plate 1 can be inhibited and heat dissipation can be secured by the plate 1. COPYRIGHT: (C)2010,JPO&INPIT |
