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Reflecting mirror

  • US 6,997,570 B2
  • Filed: 04/02/2004
  • Issued: 02/14/2006
  • Est. Priority Date: 04/03/2003
  • Status: Active Grant
First Claim
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1. A reflecting mirror comprising:

  • a substrate which is substantially transparent or transmits light having a predetermined wavelength;

    a reflecting film which is formed on one surface of the substrate in a thickness direction thereof and reflects light entering from the other thickness direction surface side; and

    a photocatalytic hydrophilic film which is formed on the other thickness direction surface of the substrate, and has hydrophilicity and photocatalytic properties,wherein the photocatalytic hydrophilic film is formed by mixing silicon dioxide and titanium dioxide together, a mass ratio of the titanium dioxide in the photocatalytic hydrophilic film is in a range of 30% to 70%, and the photocatalytic hydrophilic film has a film thickness in a range of 120 nm to 180 nm.

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