Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsuhide Shimmo0
Yasuji Sasaki0
Masahiro Oikawa0
Keiji Tsunetomo0
Date of Patent
February 23, 2010
0Patent Application Number
109963730
Date Filed
November 26, 2004
0Patent Primary Examiner
Patent abstract
A surface of a substrate is coated with a sol solution containing metal alkoxide. A gelled material of the sol solution is pressed against a molding tool while the gelled material is kept soft. Thus, the gelled material is molded. Then, the gelled material is hardened. As a result, protrusions of the hardened gel layer 14 are formed on the substrate so that an irregular texture substrate is formed. A multilayer thin film constituted by a plurality of layers of at least two kinds of materials with different refractive indexes is laminated on a surface of the irregular texture substrate.
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