Lead-zinc-borosilicate glass
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United States of America Patent
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Mar 17, 1992
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app pub date -
Feb 19, 1991
filing date -
Feb 19, 1990
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Abstract
Lead-zinc-borosilicate glass is provided having a boundary wetting angle with respect to ZnO of at most 40.degree., a processing temperature of at most 540.degree. C., a composition, consisting essentially of, in percent by weight on oxide basis, of
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