Lithographic apparatus, device manufacturing method, and device manufactured thereby
First Claim
1. A temperature control member, comprising an enclosure that is arranged to at least partially enclose a component that is to be thermally controlled, said enclosure comprising at least one wall member, wherein said wall member is provided with a substantial absorption and emission inhibiting surface finish.
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Accused Products
Abstract
A lithographic projection apparatus including at least one temperature control member that at least partly surrounds at least one component selected from a group comprising mask and substrate tables, the projection system and an isolated reference frame for controlling the temperature of the surrounded components. The surface finish of the member is chosen to help keep the components which it partly surrounds isothermal during operation.
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Citations
11 Claims
- 1. A temperature control member, comprising an enclosure that is arranged to at least partially enclose a component that is to be thermally controlled, said enclosure comprising at least one wall member, wherein said wall member is provided with a substantial absorption and emission inhibiting surface finish.
Specification