Patent ID: 7407363
Filing Date: 2008-08-05
Classification: H01L

Abstract:
1. A substrate transport apparatus, comprising: a first substrate transport robot including an upper hand and a lower hand vertically arranged and capable of transporting substrates respectively held by the upper hand and the lower hand thereof; a second substrate transport robot including an upper hand and a lower hand vertically arranged and capable of transporting substrates respectively held by the upper hand and the lower hand thereof; and a substrate transfer mechanism which is accessed by the first substrate transport robot and the second substrate transport robot to transfer the substrates with respect to the first substrate transport robot and the second substrate transport robot, the substrate transfer mechanism including an upper hand and a lower hand vertically arranged and a hand driving mechanism adapted to perform a hand opening operation to vertically move the upper hand and the lower hand of the substrate transfer mechanism apart from each other and perform a hand closing operation to vertically move the upper hand and the lower hand of the substrate transfer mechanism toward each other.