Low temperature sealing glass compositions

  • US 5,188,990 A
  • Filed: 11/21/1991
  • Issued: 02/23/1993
  • Est. Priority Date: 11/21/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. A low melting glass composition consisting essentially of:

  • (a) TeO2 ;

    35 to 80%(b) V2 O5 ;

    15 to 50%, and oxides selected from the group consisting of(i) Nb2 O5, ZrO2, and ZnO 0.1 to 20%,(ii) Bi2 O3 and CuO 0.1 to 30%, and(iii) P2 O5 and Ta2 O5 0.1 to 10%, andup to 10% (weight calculated on an oxide basis) of SnO2, CdO, BaO, WO3, MoO3, TiO2, or a metal fluoride, said composition being substantially free of Ag2 O.

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