| 摘要 |
<p>An embodiment of the present invention relates to a method to prevent corrosion of a metal alloy-based substrate having excellent corrosion resistance and durability, and a wireless power transfer device having the same. The method comprises the formation of a non-conductive film having a single layer or a plurality of layers on one surface of the metal-alloy based substrate layer or the other surface facing the one surface.</p> |
