Importance

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Abstract

An antireflective film comprising a transparent film substrate and an antireflective layer present on at least one surface of the substrate. The antireflective layer consists of three layers, i.e., a first layer which is closest to the substrate layer, a second layer, and a third layer which is farthest from the substrate layer; the first layer comprises an oxide of at least one metal selected from the group consisting of titanium and zirconium; the second layer comprises an oxide of at least one metal selected from the group consisting of titanium and zirconium; the third layer comprises an oxide of silicon; it can be confirmed through observation by use of an electron microscope that the first, second, and third layers are different layers; and the antireflective layer has a reflectivity of not higher than 3% for light entered from the antireflective layer side and having a wavelength of 550 nm. The antireflective film is excellent in adhesion in between the layers constituting the antireflective layer and durability.

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First Claim