| 摘要 |
An exposure apparatus, wherein exposure is carried out while filling a space between a projection optical system and a substrate with a liquid, enables to suppress deterioration of a pattern image caused by air bubbles in the liquid. The exposure apparatus comprises a liquid supply unite (1) for filling at least a part of the space between the projection optical system and the substrate with a liquid (50), and exposure of the substrate is carried out by projecting an image of a pattern onto the substrate via the projection optical system. The liquid supply unite (1) comprises a deaerating unit (21) for suppressing formation of air bubbles in the liquid (50).
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