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Sumitomo Metal Mining., Ltd.

Sumitomo Metal Mining., Ltd. Patent applications
Patent application numberTitlePublished
20120024381TRANSPARENT CONDUCTIVE FILM AND TRANSPARENT CONDUCTIVE FILM LAMINATED BODY AND PRODUCTION METHOD OF SAME, AND SILICON-BASED THIN FILM SOLAR CELL - A transparent conductive film, useful in producing a highly efficient silicon-based thin film solar cell, superior in hydrogen reduction resistance and superior in optical confinement effect; a transparent conductive film laminated body using the same; a production method therefor; and a silicon-based thin film solar cell using this transparent conductive film or the transparent conductive film laminated body, as an electrode. It is provided by a transparent conductive film or the like, characterized by containing zinc oxide as a major component and at least one or more kinds of added metal elements selected from aluminum and gallium, whose content being within a range shown by the following expression (1), and having a surface roughness (Ra) of equal to or larger than 35.0 nm, and a surface resistance of equal to or lower than 65 Ω/□02-02-2012