CIRCUIT BOARD AND PROCESS OF MANUFACTURING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a circuit board including a downsized coil and a process of manufacturing the same.SOLUTION: The circuit board includes a first insulating layer, a first magnetic material layer formed by plating on the first insulating layer, a plane coil formed on first magnetic material layer, and a second magnetic material layer formed by plating on the plane coil.