Patent ID: 8093793
Filing Date: 2012-01-10
Classification: C03C,H01J

Abstract:
1. A fluorescent lamp made of glass, comprising: 55.0-75.0 weight % of SiO 10.0-25.0 weight % of B 1.0-10.0 weight % of Al 0-3.8 weight % of Na 0-3.0 weight % of Li 3.0-10.0 weight % of K 3.2-16.0 weight % of Na 0.5-8.0 weight % of TiO 0.1-5.0 weight % of CeO 0.6-8.1 weight % of TiO 0.5-10.0% of an oxide of at least one rare earth element selected from the group consisting of Gd, Y, La, Yb and Lu as calculated as an oxide Ln the coefficient of linear expansion of the glass in a temperature range of 30-380° C. is 34×10