Method for making thermally tempered glass comprising a non-abrasive, porous, SiO.sub.2 antireflection layer
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United States of America Patent
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Oct 31, 2006
Issued Date -
N/A
app pub date -
Oct 17, 2001
filing date -
Oct 18, 2000
priority date (Note) -
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Abstract
The invention relates to thermally tempered safety glass comprising an non-abrasive and porous SiO.sub.2 layer which is stable during sintering and has a refractive index of between 1.25 and 1.40. The inventive safety glass can be obtained by coating standard soda-lime glass with an aqueous coating solution having a pH value of between 3 and 8 and containing between 0.5 and 5.0 wt. % of [SiO.sub.x(OH).sub.y].sub.n particles (0
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