Lead free soft glass having high electrical resistivity

Details Lead free soft glass having high electrical resistivity Lead free soft glass having high electrical resistivity

1998-09-10

2000-01-25

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 66, 501905, 313636, C03L 3087

Patent

active

060178388

ABSTRACT:
A universal lead free glass (ULF) has been developed having a high electrical resistivity and mechanical working properties comparable to conventional lead glasses used in the manufacture of electric lamps. The ULF glass may be used to manufacture both low and high wattage electric lamps and in particular to make filament mounts for such applications.

REFERENCES:
patent: 2877124 (1959-03-01), Welsch
patent: 3252812 (1966-05-01), de Lajarte
patent: 4089694 (1978-05-01), Thomas et al.
patent: 5391523 (1995-02-01), Marlor
patent: 5470805 (1995-11-01), Filmer
patent: 5528107 (1996-06-01), Marlor et al.
patent: 5557171 (1996-09-01), Marlor et al.
patent: 5883030 (1999-03-01), Bako et al.
patent: 5910707 (1999-06-01), Bell

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