Solder joint connection between lead-in conductor and electrode

Details Solder joint connection between lead-in conductor and electrode Solder joint connection between lead-in conductor and electrode

1973-12-06

1977-07-26

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

With lead wire or connector

313333, 313335, 219145, 148 24, H01J 550

Patent

active

040385795

ABSTRACT:
A soldered joint between articles of at least one of the high melting point metals, high melting point carbides and high melting point metal oxides, which joint contains zirconium in which at least the external surface layer of the soldered joint consists of zirconium nitride.
The soldered joint is preferably used for securing electrodes for high-pressure gas discharge lamps to current supply conductors.
The soldered joint can be obtained by soldering with zirconium in a rare gas atmosphere whereafter the soldering area is heated for some time in a nitrogen-containing atmosphere.

REFERENCES:
patent: 2329343 (1943-09-01), English et al.
patent: 2341716 (1944-02-01), Herdman
patent: 2394984 (1946-02-01), Claussen
patent: 2892924 (1959-06-01), Wood
patent: 2922028 (1960-01-01), Butler et al.
patent: 3198932 (1965-08-01), Weatherly
patent: 3315116 (1967-04-01), Beese
patent: 3389290 (1968-06-01), Yoshida et al.
patent: 3673454 (1972-06-01), Notelteirs

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