| 摘要 |
PROBLEM TO BE SOLVED: To provide a wiring board, an electronic device, and a power supply unit capable of efficiently suppressing an occurrence of a radiated noise. SOLUTION: This wiring board (lead frame) is so constituted that a high frequency current suppression member 18 consisting of a conductive soft magnetic film having a high magnetic permeability may be provided in a near field (magnetic field dominant area) in a lead frame 10a (wiring part) which can be a radiation noise source, preferably, in the periphery of the lead frame 10a, and only a high frequency current flowing through a facing of a wiring may be attenuated by a skin effect. Accordingly, the wiring board may be a low resistance in DC or in low frequency, and a current component of DC or low frequency flowing through a wiring may not be blocked. COPYRIGHT: (C)2007,JPO&INPIT
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