Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1974-04-08
1976-05-25
Padgett, Benjamin R.
Compositions
Electrically conductive or emissive compositions
Metal compound containing
252518, 313118, 315 58, H01T 1300, H01B 106, H01C 106
Patent
active
039591840
ABSTRACT:
An improved ceramic article useful after firing as an electrical suppressor element, especially suitable for use in spark plugs, is disclosed. The suppressor element is a copper-aluminum composition modified with a mangesium, calcium, strontium or barium metal compound. The numerical value of the atom ratio of the article,
REFERENCES:
patent: 2251745 (1941-08-01), Lehfeldt
patent: 2837487 (1958-06-01), Huttar
patent: 2864884 (1958-12-01), Counts et al.
patent: 2902747 (1959-09-01), Reiter
patent: 3737718 (1973-06-01), Rempes
Champion Spark Plug Company
Lloyd Josephine
Padgett Benjamin R.
Purdue John C.
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