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Antireflection structure, lens barrel including antireflection structure, method for manufacturing antireflection structure
Antireflection structure, lens barrel including antireflection structure, method for manufacturing antireflection structure
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机译:防反射结构,包括防反射结构的镜筒,防反射结构的制造方法
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摘要
An antireflection structure that can be formed in a desired shape, and a method for manufacturing the same are provided. An antireflection structure 100 includes a resin layer 200 formed in a desired shape, and inorganic material fine particles 201 dispersed inside the resin layer. A plurality of fine concaves 202 having an average inner diameter shorter than or equal to the minimum wavelength of light whose reflection should be suppressed are formed at the surface of the antireflection structure 100, thereby reducing the equivalent refractive index at the surface of the resin layer 200. The fine concaves 202 are formed by, after forming a composite material in which the nanosized inorganic material fine particles 201 are dispersed in the resin layer, dissolving the inorganic material fine particles 201 dispersed at the surface of the resin layer 200, using a solvent that dissolves only the inorganic material fine particles 201. 展开▼