Method for mounting electrodes in high pressure sodium lamps and

Details Method for mounting electrodes in high pressure sodium lamps and Method for mounting electrodes in high pressure sodium lamps and

1977-01-13

1978-08-29

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

With lead wire or connector

313217, 174 5064, 313332, H01J 550

Patent

active

041106563

ABSTRACT:
A method for securing an electrode to the electrode holder in a high pressure sodium discharge lamp and resulting article, which method, involves spot welding a thin niobium, tantalum or titanium wire across the flattened end of the electrode holder and thereafter spot welding the electrode rod to the electrode holder perpendicular to the axis of the thin wire to provide a strong bond between the electrode and the electrode holder.

REFERENCES:
patent: 2966607 (1960-12-01), Thouret
patent: 3872341 (1975-03-01), Werner et al.
patent: 3959682 (1976-05-01), Wesselink et al.
patent: 4002939 (1977-01-01), Van Bragt

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