| 摘要 |
A method of forming a backside protection film includes forming a first coating layer on a first heterogeneous film, the first coating layer being at a C-stage state, forming a second coating layer on a second heterogeneous film, the second coating layer being at a B-stage state, separating the first coating layer from the first heterogeneous film, and attaching the first coating layer to the second coating layer, the second coating layer being between the second heterogeneous film and the first coating layer, and each of the first and second heterogeneous films being formed by coating a first material layer with a second material.
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