| 摘要 |
A wafer conveying system includes a first conveying unit, a second conveying unit, a floating type conveying unit set between the first conveying unit and the second conveying unit for transferring wafers from the first conveying unit to the second conveying unit, two guide devices arranged at the two opposite lateral sides of the floating type conveying unit for guiding every transferring wafer from the first conveying unit through the floating type conveying unit to a predetermined location or its nearby area at the second conveying unit, and a test unit installed in the second conveying unit for testing the same area of every wafer been transferred to the second conveying unit.
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