Patent ID: 9312153
Filing Date: 2016-04-12
CPC Classification: H01L

Claim Text:
1. A substrate processing system comprising: a loader module which is provided with a plurality of ports configured to receive a plurality of cassettes accommodating therein first substrates and second substrates, and an atmospheric transfer robot; a first transfer unit configured to transfer the first substrates between the loader module and at least one first processing chamber for processing the first substrates; and a second transfer unit which is provided at a height different from that of the first transfer unit and is configured to transfer the second substrates between the loader module and at least one second processing chamber for processing the second substrates, wherein the first transfer unit includes a first load-lock chamber, into which the first substrates are transferred by the atmospheric transfer robot, and a first transfer chamber provided with a first vacuum transfer robot for transferring the first substrates, which have been loaded into the first load-lock chamber, into said at least one first processing chamber, wherein the second transfer unit includes a second load-lock chamber, into which the second substrates are transferred by the atmospheric transfer robot, and a second transfer chamber provided with a second vacuum transfer robot for transferring the second substrates, which have been loaded into the second load-lock chamber, into said at least one second processing chamber, and wherein said at least one first processing chamber and said at least one second processing chamber are not vertically overlapped and at least a portion of the first transfer unit and at least a portion of the second transfer unit are vertically overlapped, wherein at least a portion of the first load-lock chamber and a portion of the first transfer chamber are vertically overlapped with the loader module, and wherein, when the portion of the first transfer chamber is placed on the loader module, a support member supporting the first transfer chamber is provided to prevent a weight of the first transfer chamber from being applied to the loader module.