Patent ID: 7932994

Claim:
An exposure apparatus which exposes a substrate, comprising: a light source which generates an exposure light beam; an illumination system which illuminates a first pattern with a first exposure light beam and which illuminates a second pattern with a second exposure light beam; a moving unit which moves the first pattern and the second pattern relative to the substrate; and a movable blind which is movable in synchronization with movement of at least one of the first pattern, the second pattern, and the substrate and which has a first area allowing only the first exposure light beam to pass therethrough, a second area allowing only the second exposure light beam to pass therethrough, and a third area allowing both of the first exposure light beam and the second exposure light beam to pass therethrough, wherein: a predetermined area on the substrate is multiply exposed by radiating the first exposure light beam from the first pattern and the second exposure light beam from the second pattern onto the predetermined area on the substrate, and the illumination system radiates the first exposure light beam at a different point in time than the second exposure light beam.