Chemical supply unit capable of automatically replacing a canister and a substrate treatment apparatus having the same

摘要

A substrate treatment apparatus includes a substrate treatment unit configured to provide a chemical solution to a substrate to treat the substrate, and a chemical supply unit configured to supply the chemical solution to the substrate treatment unit. The chemical supply unit includes a loader configured to load a canister containing the chemical solution to the chemical supply unit, a clamp configured to clamp the canister in place, a chemical supply line through which the chemical solution is supplied to the substrate treatment unit, and a coupler configured to couple the chemical supply line to the canister. The chemical supply unit is capable of automatically replacing the canister and the substrate.