Device for holding and rotating a substrate
A plurality of substrate holding members and a substrate pressing member are disposed on a rotation stage at a peripheral portion. The substrate pressing member includes a magnet and is pivotally supported by the rotation stage. A ring-shaped permanent magnet is located below the rotation stage and...
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| creator | YOSHIOKA KATSUSHI HIRAOKA NOBUYASU TAKEOKA MASAFUMI NAKAGAWA KOJI ITABA MASAYUKI |
| description | A plurality of substrate holding members and a substrate pressing member are disposed on a rotation stage at a peripheral portion. The substrate pressing member includes a magnet and is pivotally supported by the rotation stage. A ring-shaped permanent magnet is located below the rotation stage and forms a ring around the rotation axis of the rotation stage. When a substrate mounted on the rotation stage is rotated and processed, the ring-shaped permanent magnet is positioned in the vicinity of the magnet of the substrate pressing member. This creates a magnetic force between the magnets, causing the substrate pressing member to pivot so that the substrate pressing member contacts the edge of the substrate with a predetermined amount of pressure. |
| format | Patent |
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The substrate pressing member includes a magnet and is pivotally supported by the rotation stage. A ring-shaped permanent magnet is located below the rotation stage and forms a ring around the rotation axis of the rotation stage. When a substrate mounted on the rotation stage is rotated and processed, the ring-shaped permanent magnet is positioned in the vicinity of the magnet of the substrate pressing member. 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| language | eng |
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| subjects | APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER NOZZLES PERFORMING OPERATIONS PHYSICS SEMICONDUCTOR DEVICES SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING |
| title | Device for holding and rotating a substrate |
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