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Exposure apparatus, method for manufacturing thereof and method for manufacturing microdevice

Image Number 2 for United States Patent #6717651.

An exposure apparatus exposes a transfer pattern of a mask onto a photosensitive substrate in an overlapping manner. The exposure apparatus includes an illumination optical system for guiding illumination light to the mask. An imaging optical system in the illumination optical system forms an illumination area on the mask. The exposure apparatus includes a lens driving apparatus. The lens driving apparatus moves at least one of the lenses constituting the imaging optical system along the optical axis and so forth, thereby correcting an optical characteristic of the imaging optical system.

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