Method of producing pattern-formed structure and photomask used in the same

   
   

A method of producing a pattern-formed structure, comprising: preparing a substrate for a pattern-formed structure having a characteristic-modifiable layer whose characteristic at a surface thereof can be modified by the action of photocatalyst; preparing a photocatalyst-containing-layer side substrate having a photocatalyst-containing layer formed on a base material, the photocatalyst-containing layer containing photocatalyst; arranging the substrate for a pattern-formed structure and the photocatalyst-containing-layer side substrate such that the characteristic-modifiable layer faces the photocatalyst-containing layer with a clearance of no larger than 200 .mu.m therebetween; and irradiating energy to the characteristic-modifiable layer from a predetermined direction, and modifying characteristic of a surface of the characteristic-modifiable layer, thereby forming a pattern at the characteristic-modifiable layer.

 
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