Lead-in wire for compact fluorescent lamps

Details Lead-in wire for compact fluorescent lamps Lead-in wire for compact fluorescent lamps

1988-06-27

1990-03-13

Yusko, Donald J.

Electric lamp and discharge devices

Electrode and shield structures

With lead wire or connector

313491, 313623, 174 5059, 174 5061, H01J 550

Patent

active

049085468

ABSTRACT:
This invention relates to the lead-in wires used in association with press seals in soda-lime glass for achieving electrical connection into the sealed envelope of a compact fluorescent lamp. The lead-in wires have a core comprising nickel and iron. A metallic plating on the core prevents formation of Fe.sub.2 O.sub.3 during lamp sealing. The invention improves lamp life by maintaining seal integrity at elevated seal temperatures.

REFERENCES:
patent: 2219758 (1940-10-01), Baier et al.
patent: 2473888 (1949-06-01), Jordan et al.
patent: 2555877 (1951-06-01), Doran
patent: 3109054 (1963-10-01), Kuhnapfel et al.
patent: 3991337 (1976-11-01), Notelteirs
patent: 4015165 (1977-03-01), Hardies
patent: 4204137 (1980-05-01), Roy
patent: 4374340 (1983-02-01), Bouwknegt et al.
patent: 4426602 (1984-01-01), Mollet et al.
patent: 4481442 (1984-11-01), Albrecht et al.

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