| 摘要 |
The invention relates to a common mode choke coil and a method of manufacturing the same and provides a compact, low-profile, and low-cost common mode choke coil and a method of manufacturing the same. A common mode choke coil has a general outline in the form of a rectangular parallelepiped provided by forming an insulation layer, a first helical coil unit, a second helical coil unit, and a closed magnetic path on a silicon substrate made of a single-crystal using thin film forming techniques. The first and second helical coil units are formed such that their axes of spiral extend substantially parallel to a substrate surface of the silicon substrate.
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