Glass composition and substrate for plasma display
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United States of America Patent
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Jul 14, 1998
Issued Date -
N/A
app pub date -
Dec 20, 1996
filing date -
Sep 14, 1994
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Abstract
A glass composition comprising from 45 to 66 wt % of SiO.sub.2, from 0 to 15 wt % of Al.sub.2 O.sub.3, from 10 to 24 wt % of Li.sub.2 O+Na.sub.2 O+K.sub.2 O, from 14 to 26 wt % of CaO+MgO+SrO+BaO+ZnO, and from 0 to 1 wt % of SO.sub.3 +Sb.sub.2 O.sub.3, said glass composition containing substantially no zirconia and having a strain point of at least 560.degree. C. and a linear thermal expansion coefficient of at least 80.times.10.sup.-7 /.degree.C. within a temperature range of from 50.degree. to 350.degree. C.
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