Joint doping of porous glasses to produce materials with high modifier concentrations
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United States of America Patent
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Feb 12, 1980
Issued Date -
N/A
app pub date -
Nov 23, 1977
filing date -
Dec 30, 1976
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Expired
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Abstract
A glass article is produced by doping a porous glass matrix with at least one member selected from the group consisting of PbO and Bi.sub.2 O.sub.3 and at least one member selected from the group consisting of K.sub.2 O, Rb.sub.2 O and Cs.sub.2 O, and producing a profile in dopant composition by immersion in a multiple-solvent solution.
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