Patent ID: 11948822
Assignee: TOKYO ELECTRON LIMITED
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A substrate processing system comprising:
a plurality of chambers;
a transfer chamber connecting the plurality of chambers; and
the substrate transfer device provided with a planar motor provided in the transfer chamber and including an array of coils; a transfer unit configured to move above the planar motor; and a controller configured to control supply of a current to the array of the coils, wherein the transfer unit includes: a first base including an array of first magnets and configured to move above the planar motor; a second base including an array of second magnets and configured to move above the planar motor, the second base being arranged coaxially with the first base; and at least one arm configured to be extended or contracted by rotating the second base relative to the first base.