Patent ID: 8658549

Claim:
A crystallizing glass solder for high-temperature applications, wherein said crystallizing glass solder is free of PbO and contains, in percent by weight on an oxide basis, 45 to 60% of BaO, 30.8 to 40% of SiO 2 , 5 to 15% of B 2 O 3 , 0 to <2% of Al 2 O 3 , and at least one alkaline earth oxide selected from the group consisting of MgO, CaO and SrO; and wherein CaO is present in an amount of 0 to 5% by weight on said oxide basis and a sum total amount of the alkaline earth oxides MgO, CaO and SrO is 2 to 15% by weight on said oxide basis.