| abstract |
PROBLEM TO BE SOLVED: To provide an antireflection film having a laminated structure, which has excellent optical characteristics due to a small refractive index of a silica layer as an outermost layer, and a layer in contact with the silica layer. An object is to provide an antireflection film that does not easily peel off. SOLUTION: In an antireflection film having a laminated structure on a substrate, an outermost layer of the laminated structure is an optical silica layer, and a layer in contact with the optical silica layer has a higher refractive index than the optical silica layer. It is a silica layer. |