Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 2, 2008
Patent Application Number
11175275
Date Filed
July 7, 2005
Patent Primary Examiner
Patent abstract
A device manufacturing method is disclosed, which includes forming a resist film on a substrate, preparing an exposure tool which comprises a projection optical system, preparing a photo mask on which a mask pattern is formed, mounting the substrate and the photo mask on the exposure tool, the substrate having the resist film formed thereon, transferring the mask pattern formed on the photo mask onto the resist film in a state in which a solution including an oxidative agent is filled between the resist film and a final element of a projection optical system to form a latent image of the mask pattern on the resist film, heating the resist film having the latent image formed thereon, and developing the heated resist film.
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