Lead-free phosphate glasses
作者： Jacob Hormadaly
DOI:
关键词:
摘要: Disclosed are zinc niobium phosphate glasses consisting essentially, expressed in terms of mole percent on the oxide basis of, 40-65% P2O5, 25-37% ZnO, 0.1-15% Nb2O5, 0-6% Al2O3, 0-5% Bi2O3, 0-3% Na2O and B2O3, said glass exhibiting transition temperature below 450° C., a dilatometer softening point 500° coefficient expansion range 80-120×10 −7 ° C. −1 , good chemical durability blue color. The present invention is useful for sealing optical fiber to ferrule by local heating.
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