| 摘要 |
A substrate transfer apparatus comprising: a plurality of floating-transfer guide plates adjacent to each other, each of guide plates having a plurality of floating gas ejecting holes; a gas supplying source; a tray to mount a substrate to be transferred, and that is floated by the floating gas; and a transfer arm for transferring the floated tray from the guide plate to the adjacent other guide plate, wherein the tray includes both side edges, and a contact/engagement portion formed at the respective both side edges for the transfer arm, each of the transfer arms including a base portion that can horizontally reciprocate along a rail provided so as to be parallel to the transfer direction, a guide portion provided to the base portion, that can horizontally reciprocate in a direction orthogonal to the transfer direction, and an arm portion provided to the guide portion, that can horizontally reciprocate in the direction parallel to the transfer direction. |
