Patent ID: 7704672

Claim:
A method of forming a microparticle pattern having a structure wherein a plurality of microparticles with an average particle diameter of at least 0.5 nm and at most 500 nm are arranged on a substrate, the method comprising the steps of: layering a photosensitive silane coupling agent comprising 1,2-naphthoquinone-2-diazido-5-sulfonyl group or, 2-naphthoquinone-2-diazido-4-sulfonyl group onto a surface of the substrate, exposing the photosensitive silane coupling agent layer patternwise, generating a carboxyl group on the photosensitive silane coupling agent in an exposed portion, and selectively arranging the microparticles on the exposed portion or unexposed portion, wherein the microparticles are arranged by using a colloidal solution comprising the microparticles.