Glass for covering electrode

Details Glass for covering electrode Glass for covering electrode

2007-11-21

2008-11-18

Green, Anthony J (Department: 1793)

Stock material or miscellaneous articles

Composite

Of quartz or glass

C428S426000, C428S433000, C428S434000, C313S582000, C313S583000, C345S060000, C345S071000, C501S015000, C501S024000, C501S026000, C501S053000, C501S063000, C501S065000, C501S066000, C501S067000, C501S073000, C501S077000

Reexamination Certificate

active

07452607

ABSTRACT:
Provided is a nonlead glass for covering an electrode, which comprises, in mol %, B2O315-65%, SiO22-38%, MgO 2-30%, MgO+CaO+SrO+BaO 5-45%, Li2O 1-15%, Li2O+Na2O+K2O 2-25% and others, and which comprises ZnO 0-15%. Provided is a nonlead glass for covering an electrode, which comprises, in mol %, B2O325-65%, SiO22-38%, MgO 2-30%, MgO+CaO+SrO+BaO 5-45%, Li2O+Na2O+K2O 2-25%, Al2O30-30, TiO 0-10% and ZnO 0-15%.

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U.S. Appl. No. 11/643,667, filed Nov. 21, 2007, Onoda, et al.

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