(JP8221828-A)      A convex ultrafine particle surface structure for reducing light reflection and improving light collection efficiency, which is made of SiO2, etc., and whose refractive index changes continuously, is duplicated by using a stamp having as a transfer surface, a concave ultrafine particle surface obtained by transferring a convex ultrafine particle surface.    USE -   For lenses (claimed); solar cells (claimed); recording media (claimed) such as optical discs; photosensitive members such as photosensitive films and photographic paper (claimed); transparent resin films (claimed); photosensitive materials (claimed); and integrated circuit prodn. (claimed).    ADVANTAGE -   The light reflection is reduced without needing multilayer metal films and the light collection is improved. Industrial processing is simplified, and raw material costs are reduced.    (JP8274359-A)      A convex ultrafine particle surface structure for reducing light reflection and improving light collection efficiency, which is made of SiO2, etc., and whose refractive index changes continuously, is duplicated by using a stamp having as a transfer surface, a concave ultrafine particle surface obtained by transferring a convex ultrafine particle surface.    USE -   For lenses (claimed); solar cells (claimed); recording media (claimed) such as optical discs; photosensitive members such as photosensitive films and photographic paper (claimed); transparent resin films (claimed); photosensitive materials (claimed); and integrated circuit prodn. (claimed).    ADVANTAGE -   The light reflection is reduced without needing multilayer metal films and the light collection is improved. Industrial processing is simplified, and raw material costs are reduced.    (JP8314064-A)      A convex ultrafine particle surface structure for reducing light reflection and improving light collection efficiency, which is made of SiO2, etc., and whose refractive index changes continuously, is duplicated by using a stamp having as a transfer surface, a concave ultrafine particle surface obtained by transferring a convex ultrafine particle surface.    USE -   For lenses (claimed); solar cells (claimed); recording media (claimed) such as optical discs; photosensitive members such as photosensitive films and photographic paper (claimed); transparent resin films (claimed); photosensitive materials (claimed); and integrated circuit prodn. (claimed).    ADVANTAGE -   The light reflection is reduced without needing multilayer metal films and the light collection is improved. Industrial processing is simplified, and raw material costs are reduced.    (JP9068679-A)      A convex ultrafine particle surface structure for reducing light reflection and improving light collection efficiency, which is made of SiO2, etc., and whose refractive index changes continuously, is duplicated by using a stamp having as a transfer surface, a concave ultrafine particle surface obtained by transferring a convex ultrafine particle surface.    USE -   For lenses (claimed); solar cells (claimed); recording media (claimed) such as optical discs; photosensitive members such as photosensitive films and photographic paper (claimed); transparent resin films (claimed); photosensitive materials (claimed); and integrated circuit prodn. (claimed).    ADVANTAGE -   The light reflection is reduced without needing multilayer metal films and the light collection is improved. Industrial processing is simplified, and raw material costs are reduced.    (JP9211842-A)      A convex ultrafine particle surface structure for reducing light reflection and improving light collection efficiency, which is made of SiO2, etc., and whose refractive index changes continuously, is duplicated by using a stamp having as a transfer surface, a concave ultrafine particle surface obtained by transferring a convex ultrafine particle surface.    USE -   For lenses (claimed); solar cells (claimed); recording media (claimed) such as optical discs; photosensitive members such as photosensitive films and photographic paper (claimed); transparent resin films (claimed); photosensitive materials (claimed); and integrated circuit prodn. (claimed).    ADVANTAGE -   The light reflection is reduced without needing multilayer metal films and the light collection is improved. Industrial processing is simplified, and raw material costs are reduced.    (US6075652-A)      A convex ultrafine particle surface structure for reducing light reflection and improving light collection efficiency, which is made of SiO2, etc., and whose refractive index changes continuously, is duplicated by using a stamp having as a transfer surface, a concave ultrafine particle surface obtained by transferring a convex ultrafine particle surface.    USE -   For lenses (claimed); solar cells (claimed); recording media (claimed) such as optical discs; photosensitive members such as photosensitive films and photographic paper (claimed); transparent resin films (claimed); photosensitive materials (claimed); and integrated circuit prodn. (claimed).    ADVANTAGE -   The light reflection is reduced without needing multilayer metal films and the light collection is improved. Industrial processing is simplified, and raw material costs are reduced.    (CN1146810-A)      A convex ultrafine particle surface structure for reducing light reflection and improving light collection efficiency, which is made of SiO2, etc., and whose refractive index changes continuously, is duplicated by using a stamp having as a transfer surface, a concave ultrafine particle surface obtained by transferring a convex ultrafine particle surface.    USE -   For lenses (claimed); solar cells (claimed); recording media (claimed) such as optical discs; photosensitive members such as photosensitive films and photographic paper (claimed); transparent resin films (claimed); photosensitive materials (claimed); and integrated circuit prodn. (claimed).    ADVANTAGE -   The light reflection is reduced without needing multilayer metal films and the light collection is improved. Industrial processing is simplified, and raw material costs are reduced.