Patent ID: 6475605
Filing Date: 2002-11-05
Classification: C03C,H01J,Y10T

Abstract:
A transparent, electric insulating, low-melting glass for covering a substrate, said glass comprising:SiO2, B2O3, BaO and ZnO; and having a thermal expansion coefficient of from 65Ã—10âˆ’7/Â° C. to 95Ã—10âˆ’7/Â° C. within a range of 30-300Â° C.; having a softening point of not higher than 600Â° C.; and having a dielectric constant of not greater than 7.5 at a frequency of 1 MHz under room temperature, wherein said glass comprises 20-35 wt % of said B2O3 and 16-35 wt % of said BaO.