| 摘要 |
A substrate transport apparatus includes a first substrate transport robot, a second substrate transport robot and a substrate transfer mechanism. The first substrate transport robot includes an upper hand and a lower hand vertically arranged. The second substrate transport robot includes an upper hand and a lower hand vertically arranged. The substrate transfer mechanism includes an upper hand and a lower hand vertically arranged and a hand driving mechanism adapted to perform hand opening and closing operations to vertically move the upper and lower hands.
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