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COMPOSITIONS AND METHODS TO FABRICATE A PHOTOACTIVE SUBSTRATE SUITABLE FOR SHAPED GLASS STRUCTURES

  • US 20130142998A1
  • Filed: 12/26/2012
  • Published: 06/06/2013
  • Est. Priority Date: 03/28/2007
  • Status: Abandoned Application
First Claim
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1. A shaped glass structure with a high anisotropic-etch ratio comprising:

  • a photosensitive glass substrate with a glass transformation temperature, wherein the photosensitive glass substrate comprises;

    a glass composition comprising60-76 weight % silica,6 weight %-16 weight % of a combination of K2O and Na2O withat least 3 weight % K2O,0.001-1 weight % Ag2O,0.75 weight %-7 weight % B2O3, and5-8 weight % Al2O3, with the combination of B2O3, and Al2O3 not exceeding 13 weight %,8-15 weight % Li2O, and0.04-0.1 weight % CeO2, andone or more patterned structure.

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