Patent ID: 6447217
Filing Date: 2002-09-10
Classification: G03F,H01L,Y10S

Abstract:
A substrate body transfer apparatus which is employed when thin plate-shaped substrate bodies are extracted from or inserted into cassettes which store said substrate bodies, characterized in comprising:an air conveyance hand which is provided with a plurality of gas nozzles at a conveyance surface which opposes the rear surface of said substrate body and which has the function of conducting the flotation or grounding of said substrate body, the catching or launch of the substrate body, or the centering of the substrate body; and a cassette platform which has a unitary structure comprising a cassette platform seat on which said cassette is placed and which is provided with a mechanism for horizontally advancing and retracting said cassette with respect to said air conveyance hand, and a mechanism for raising and lowering said cassette platform seat at a predetermined pitch.