| 摘要 |
A method for detaching a first material layer from a second material layer includes following steps. Firstly, a high-magnetic-permeability material layer is formed on a first material layer. Secondly, a second material layer is formed on the high-magnetic-permeability material layer. Thirdly, the first and second material layers are cooled such that the first and second material layers shrink, wherein the first and second material layers are low-magnetic-permeability materials. Finally, the high-magnetic-permeability material layer is heated by applying a high-frequency radiofrequency electromagnetic wave thereto such that the high-magnetic-permeability material layer expands, thus detaching the first material layer from the second material layer.
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