Patent ID: 8233139
Filing Date: 2012-07-31
Classification: G03F

Abstract:
1. An immersion system used in an immersion exposure, comprising: a first member, which is disposed around an optical path of exposure light and has a first surface that faces in a first direction, the optical path between an optical member and a substrate being filled with a liquid, a space between the first surface and a front surface of an object being capable of holding a liquid; a second member that has a liquid recovery port, which is disposed on the outer side of the first surface with respect to the optical path of the exposure light, at least part of a liquid between the liquid recovery port and the front surface of the object being recovered via the liquid recovery port; a first drive apparatus that is capable of moving the first member in at least the first direction; and a second drive apparatus that is capable of moving the second member in at least the first direction independently of the first member.