Patent ID: 7063499

Claim:
A conveyor system for conveying a wafer or other thin workpiece having a thickness of not more than 100 μm from its carrying location to another location, comprising: a plate-shaped member provided movably and swivelably and a moving; swiveling means for moving and swiveling said plate-shaped member; said plate-shaped member being provided together with a lifting means for uniformly lifting in its entirety a workpiece carried at said carrying location and a holding means for holding a workpiece lifted by said lifting means, by uniformly chucking its entirety on a workpiece chucking surface of said plate-shaped member; said holding means being comprised of a plurality of vacuum chucking nozzles; a plurality of Bernoulli nozzles serving as said lifting means formed in the workpiece chucking surface near an outer periphery of said plate-shaped member along said outer periphery; and said plurality of Bernoulli nozzles and said plurality of vacuum chucking nozzles being alternately formed on the workpiece chucking surface near the outer periphery of said plate-shaped member along said outer periphery.