Ceramic heater

Electric heating – Heating devices – With heating unit structure

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Details

219270, 219544, H05B 310

Patent

active

059483067

ABSTRACT:
A ceramic heater is formed by embedding a heating element in a ceramic body. A ceramic body is formed from a sintered basic ceramic component containing an adjustment ceramic component in the range of 1 to 3% by weight. The adjustment ceramic component includes at least one component selected from the group consisting of metal silicate, metal carbonate, metal boride, and metal nitride each of which is larger in thermal expansion coefficient than the basic ceramic component.

REFERENCES:
patent: 4814581 (1989-03-01), Nunogaki et al.
patent: 4874923 (1989-10-01), Hatanaka et al.
patent: 4912305 (1990-03-01), Tatemasu et al.
patent: 5206484 (1993-04-01), Issartel
patent: 5304778 (1994-04-01), Dasgupta et al.
patent: 5362944 (1994-11-01), Hatanaka et al.

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