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Sealing glass compositions

  • US 5,013,360 A
  • Filed: 09/15/1989
  • Issued: 05/07/1991
  • Est. Priority Date: 09/15/1989
  • Status: Expired due to Fees
First Claim
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1. A low-melting glass composition comprising, in weight percent calculated on an oxide basis:

  • (a) PbO;

    35-50%(b) V2 O5 ;

    35-50%(c) Bi2 O3 ;

    0.1-6%(d) P2 O5, Nb2 O5, Ta2 O5, or combinations thereof;

    0.1-8%(e) ZnO, MgO, CaO, BaO, SrO, or combinations thereof;

    0.1-5%(f) TiO2, ZrO2, or combinations thereof;

    0.1-5%wherein the combined weight percent of (c)+(d)+(e)+(f) is in the range of 0.4-24%.

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