Sealing glass compositions

  • US 5,336,644 A
  • Filed: 07/09/1993
  • Issued: 08/09/1994
  • Est. Priority Date: 07/09/1993
  • Status: Expired due to Term
First Claim
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1. A sealing glass composition suitable for use in bonding to a ceramic surface at low temperatures comprising in weight percent 0.5-50% thallium oxide, 10-40% vanadium oxide, 5-30% tellurium oxide, 1-15% arsenic oxide, 1-5% phosphorous oxide, 0-10% magnesium chloride, 0-10% barium oxide, 0-10% barium chloride, 0-10% strontium oxide, 0-10% strontium chloride, 0-5% antimony oxide, 0-3% indium oxide, 0-5% silica, 0-5% alumina, 0-15% copper oxide, 0-10% cobalt oxide, 0-15% of each of lithium oxide, sodium oxide and potassium oxide, 0-25% lead oxide and 0-10% silver oxide.

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