High temperature electric lamp having a sealing glass...

Details High temperature electric lamp having a sealing glass... High temperature electric lamp having a sealing glass...

H - Electricity

01

K

313/118, 313/178

H01K 1/38 (2006.01)

Patent

CA 1270038

ABSTRACT OF THE DISCLOSURE. To provide a melt glass (10) to seal capillary spaces (9) surrounding external current supply leads (8) of molybdenum passing to molybdenum foils (6)in a pinch or press seal (7) of a high temperature, for example incandescent halogen lamp, the melt glass (10) is made of 3 - 10% Bi2O3, 25% - 40% B2O3, remainder PbO. An additive of barium oxide, in up to 15% and preferably up to only about 10%, may be added to the PbO. All quantities in mol-percent.

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