Support Apparatus, Stage Apparatus, Exposure Apparatus, And Device Manufacturing Method
First Claim
1. A support apparatus comprising:
- a cylinder portion;
a piston portion that is provided inside the cylinder portion and is movable in a first direction;
a fluid bearing formed in at least a portion between an inner wall of the cylinder portion and an outer wall of the piston portion, the support apparatus supporting a supported member in the first direction with respect to a support member by means of a biasing force generated by the cylinder portion and the piston portion, wherein first and second fluids are supplied independently inside the fluid bearing and the cylinder, respectively.
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Accused Products
Abstract
A support apparatus, a stage apparatus, an exposure apparatus, etc. are proposed that can increase response of a relative movement between a piston and a cylinder, etc. are proposed. There is provided a support apparatus including: a cylinder portion; a piston portion that is provided inside the cylinder portion and is movable in a Z direction; a fluid bearing formed in at least a portion between an inner wall of the cylinder portion and an outer wall of the piston portion, the support apparatus supporting a supported member in the Z direction with respect to a support member by means of a biasing force generated by the cylinder portion and the piston portion, in which fluids are supplied independently inside the fluid bearing and the cylinder.
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Citations
18 Claims
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1. A support apparatus comprising:
- a cylinder portion;
a piston portion that is provided inside the cylinder portion and is movable in a first direction;
a fluid bearing formed in at least a portion between an inner wall of the cylinder portion and an outer wall of the piston portion, the support apparatus supporting a supported member in the first direction with respect to a support member by means of a biasing force generated by the cylinder portion and the piston portion, wherein first and second fluids are supplied independently inside the fluid bearing and the cylinder, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- a cylinder portion;
Specification