Patent ID: 6311091
Filing Date: 2001-10-30
Classification: H01L

Abstract:
A substrate processing apparatus for use in a photolithographic process for coating resist onto a substrate and developing the coated resist, comprising:a power supply equipped with a main switch which is turned-on and turned-off;a plurality of electric appliances operated substantially in the same manner when power is supplied from the power supply, said electric appliances including a plurality of air conditioners;a power distribution circuit that supplies power to each of the plurality of electric appliances; anda control section connected to the power distribution circuit, for determining a power supply order for supplying electric power to said electric appliances on the basis of data for a usage order of the electric appliances and controlling power-supply timing to the plurality of electric appliances, according to the power supply order;wherein said control section staggers power-supply initiation timing to each of the electric appliances based on the power supply order when the main switch is turned on.