Patent ID: 8760630

Claim:
An exposure apparatus which projects a pattern of an original onto a substrate via a liquid to expose the substrate, the apparatus comprising: a substrate stage which holds the substrate and moves, the substrate stage including a peripheral member arranged to surround a region in which the substrate is arranged, the peripheral member having a holding surface which holds the liquid, wherein a trench which traps the liquid is formed in the peripheral member, and the trench is arranged to surround the region in which the substrate is arranged, and includes a bottom portion, an inner-side surface extending from the holding surface toward the bottom portion, and an outer-side surface, the inner-side surface having a slant which increases stepwise or continuously in a direction away from the holding surface, and wherein the outer-side surface is provided with a spattering preventing portion which prevents spattering of the liquid trapped by the trench, the spattering preventing portion including a member which extends inwards from the outer-side surface, the member having a slant which approaches the bottom portion with distance from the outer-side surface.