Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1975-07-11
1977-10-25
Douglas, Winston A.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 7331, 252 635, 252520, C04B 3500, C04B 3546
Patent
active
040554384
ABSTRACT:
A ceramic is disclosed which maintains a high electric resistance over a wide temperature range and has a large temperature coefficient of resistance variation at temperatures just below the aforesaid range, the PTC ceramic consisting essentially of
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Handbook of Chemistry and Physics (42nd Ed.) 1961, p. 3119.
Atsumi Senji
Wada Shigetaka
Douglas Winston A.
NGK Insulators Ltd.
Niebling John F.
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