| 摘要 |
An in-chamber member to use in the chamber of a plasma processing vessel has a coating film formed by a coating agent. The in-chamber member having deposits formed on the coating film is separated from the chamber and is immersed into a peeling solvent, e.g., acetone. Since the coating agent is made of a resist formed of a main component of, e.g., cyclized rubber-bisazide and a photosensitive component, the deposits can be separated from the in-chamber member together with the coating film being separated.
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