SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD

A substrate processing apparatus includes: a batch processor configured to collectively process a lot including plural substrates; a single-wafer processor configured to process the substrates included in the lot one by one; and a transport portion configured to deliver the substrates one by one between the batch processor and the single-wafer processor. The batch processor includes a processing tank configured to store a processing liquid including a rinsing liquid. The transport portion includes a fluid supplier configured to supply, after receiving the substrates included in the lot in the processing tank and until delivering the substrates to the single-wafer processor, a low surface tension fluid having a lower surface tension than the rinsing liquid to at least one of the processing tank and the substrates.