Patent ID: 6259511
Filing Date: 2001-07-10
Classification: G03F

Abstract:
An exposure apparatus which exposes a pattern of a mask on a substrate utilizing an exposure beam, comprising:a mask driving stage which drives said mask;a substrate driving stage which drives said substrate;an optical device which is disposed in a path of said exposure beam and exposes said pattern on said substrate, said path being defined between said mask and said substrate;a first stage measuring device which measures a position of one of said mask driving stage and said substrate driving stage while said one stage is driving;a fine movement stage which is provided in a vicinity of said one stage and moves relative to said one stage;a fine movement stage measuring device which measures a position of said fine movement stage while said fine movement stage is moving; anda controller connected to said first stage measuring device, said fine movement stage, and said fine movement stage measuring device, said controller controlling said fine movement stage in accordance with measuring results obtained by said first stage measuring device and said fine movement stage measuring device.