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Transparent layered product and glass article using the same

  • US 6,444,898 B1
  • Filed: 06/15/2000
  • Issued: 09/03/2002
  • Est. Priority Date: 06/18/1999
  • Status: Expired due to Term
First Claim
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1. A transparent layered product, comprising:

  • a glass sheet;

    an undercoating film comprising at least two layers formed on the glass sheet, wherein the undercoating film has a surface roughness; and

    a coating film formed on the undercoating film, wherein the coating film has a surface roughness and a transition layer at its surface in which a refractive index varies continuously in its thickness direction, wherein a thickness of the transition layer ranges from 13% to 65% of a thickness of a layer having a substantially constant refractive index in the coating film.

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