| 摘要 |
A substrate cleaning method, including a step of supplying a two-fluid spray made up of a liquid and a gas to the front surface of a substrate, is provided; wherein the supplying of the two-fluid spray is carried out using a mixture of purified water and isopropyl alcohol as a liquid; concentration of the isopropyl alcohol in the mixture is 10 to 60 wt %; and a particle rejection ratio is 80% or greater.
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