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TRANSPARENT MEMBER, TIMEPIECE, AND METHOD OF MANUFACTURING A TRANSPARENT MEMBER

  • US 20100027383A1
  • Filed: 07/01/2009
  • Published: 02/04/2010
  • Est. Priority Date: 07/31/2008
  • Status: Abandoned Application
First Claim
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1. A transparent member comprising:

  • a transparent substrate; and

    an antireflection coating that has a high index of refraction layer made of silicon nitride and a low index of refraction layer made of silicon oxide alternately laminated on at least a part of a surface of the substrate,the content of silicon nitride in the region to a depth of 150 nm from the outside surface of the antireflection coating being 30-50 vol %.

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