Electric lamp and discharge devices – With gas or vapor – Having particular electrode structure
Patent
1986-06-05
1988-08-23
Moore, David K.
Electric lamp and discharge devices
With gas or vapor
Having particular electrode structure
313627, 21912152, H01J 1704, B23K 926
Patent
active
047663499
ABSTRACT:
An electrode for electric arc processes composed of a water-cooled holder (1) into which is fitted a case hardened of diffusion coated insert of zirconium or hafnium. The diffusion zone (5) consists of carbide, nitride, boride or silicide, compounds with very high melting points that will supress reactions between the holder and the insert that cause deterioration of the electrode.
REFERENCES:
patent: 2180396 (1939-11-01), Burke
patent: 3198932 (1965-08-01), Weatherly
patent: 3546422 (1970-12-01), Bykhovsky et al.
patent: 3597649 (1971-08-01), Bykhovsky et al.
patent: 3665145 (1972-05-01), Engel
patent: 3930139 (1975-12-01), Bykhovsky et al.
Andersson Jan-Erik
Edshammar Lars E.
Johansson Jan O.
Niklewski Tomasz
AGA Aktiebolag
Moore David K.
O'Shea Sandra L.
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