Electric heating – Heating devices – With heating unit structure
Patent
1999-06-14
2000-02-15
Walberg, Teresa
Electric heating
Heating devices
With heating unit structure
219553, 219270, H05B 344
Patent
active
06025579&
ABSTRACT:
A ceramic heater includes a heating element and a sintered body. The heating element is formed of a material containing one of a refractory metal having a melting point of 2,000.degree. C. or more, and a material including an inorganic conductive material. The sintered body of an insulating ceramics contains one of silicon nitride and silicon carbide materials. The heating element is buried in the sintered body. The insulating ceramics contains at least one kind of nitrides of Groups IIIA, IVA, and VA in the element periodic table at a ratio of 0.01 vol % to 10 vol %. A method of manufacturing the ceramic heater is also disclosed.
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Sakurai Chihiro
Tanaka Arihito
Allen Kenneth R.
Jidosha Kiki Co. Ltd.
Patel Vinod D
Walberg Teresa
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