Substrate processing apparatus
First Claim
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1. A substrate processing apparatus, comprising:
- a substrate retention mechanism having at least three rotatable retention rollers, including a plurality of driving rollers, for holding a generally circular substrate by abutting the retention rollers against different peripheral edge portions of the substrate and a pair of retention hands for rotatable supporting the at least three retention rollers, at least one of the pair of retention hands being retractable with respect to the other retention hand, the pair of retention hands each adapted to support at least one of the driving rollers; and
a rotative driving mechanism coupled to the plurality of driving rollers for rotating the plurality of driving rollers.
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Abstract
A substrate processing apparatus which includes a substrate retention mechanism having retention rollers, including a plurality of driving rollers, for holding a substrate by abutting the retention rollers against different peripheral edge portions of the substrate, and a rotative driving mechanism for rotating the plurality of driving rollers. The plurality of driving rollers preferably include a pair of driving rollers generally opposed to each other diametrically of the substrate to be held. Further, the retention rollers preferably all serve as the driving rollers.
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Citations
7 Claims
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1. A substrate processing apparatus, comprising:
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a substrate retention mechanism having at least three rotatable retention rollers, including a plurality of driving rollers, for holding a generally circular substrate by abutting the retention rollers against different peripheral edge portions of the substrate and a pair of retention hands for rotatable supporting the at least three retention rollers, at least one of the pair of retention hands being retractable with respect to the other retention hand, the pair of retention hands each adapted to support at least one of the driving rollers; and a rotative driving mechanism coupled to the plurality of driving rollers for rotating the plurality of driving rollers. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification