A liquid development device has a developer retaining roller having recesses, which are for retaining liquid developer, provided in the surface of the developer retaining roller; and a supplying roller for supplying the liquid developer to the developer retaining roller. The upper edge of the supplying roller is located above the lower edge of the developer retaining roller in the vertical direction, and the supplying roller supplies the liquid developer to the developer retaining roller downwards from above.

 
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> High-frequency magnetic thin film, composite magnetic thin film, and magnetic device using same

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