摘要 |
The present invention uses a transportation robot furnished with a storage chamber 3 that can store substrate wafers S under an inert gas atmosphere, and when transporting substrate wafers S between transportation chambers 2 installed on processing apparatus 1 and holding an inert gas atmosphere, connection chamber 4 is disposed between storage chamber 3 and transportation chamber 2 when placing and removing substrate wafers S between storage chamber 3 of transportation robot 30 and the transportation chamber 2 of processing apparatus 1, and after introducing inert gas into the connection chamber 4 at low pressure, opening the gate valves GV1 and GV2 between storage chamber 3 and transportation chamber 2.
|