Patent ID: 8780329

Claim:
An exposure apparatus configured to expose a pattern on an original onto a substrate via a projection optical system, the exposure apparatus comprising: a plurality of load distribution plates for which a leveling adjustment has been performed; a setting leg which is set up on each of the load distribution plates; a platen on which an original stage configured to hold the original, the projection optical system, a substrate stage configured to hold the substrate, or a combination of some or all of the original stage, the projection optical system and the substrate stage is mounted; a mount which is provided between the platen and the setting leg and configured to reduce a vibration; and a filling member formed by filling and hardening a hardening type liquid between each of the load distribution plates and a setting floor after the leveling adjustment is performed by a bolt which holds each of the load distribution plates with respect to the setting floor, wherein the load distribution plates are made of a metal, and wherein the load distribution plate is provided with a hole for releasing an air between the load distribution plate and the filling member at the time of filling the hardening type liquid, at a position contacting the setting leg.