Patent ID: 8791030

Claim:
A coating treatment method of applying a hard mask solution to a front surface of a substrate to form a hard mask film, comprising: a masking film forming step of supplying a masking solution to an edge portion of the front surface of the substrate rotated around a vertical axis to form a masking film at the edge portion of the substrate; a hard mask film forming step of supplying the hard mask solution to the front surface of the substrate to form the hard mask film on the front surface of the substrate; a hard mask film removing step of supplying a hard mask film removing solution dissolving the hard mask film to the hard mask film formed at the edge portion of the substrate to remove the hard mask film at the edge portion of the substrate; and a masking film removing step of supplying a masking film removing solution dissolving the masking film to the masking film to remove the masking film at the edge portion of the substrate.