Ceramic heater

Details Ceramic heater Ceramic heater

1998-10-22

2000-07-04

Hoang, Tu Ba

Electric heating

Heating devices

With heating unit structure

219270, 338252, F23Q 722

Patent

active

060842202

ABSTRACT:
A ceramic heater has a structure in which a resistance heating element mainly composed of a metal having a high melting point is embedded in a ceramic substrate. With an average grain size for component grains of the ceramic substrate taken as dB and that for component grains of the resistance heating element taken as dH, a dH/dB ratio is adjusted to not greater than 0.8.

REFERENCES:
patent: 3694626 (1972-09-01), Harden, Jr.
patent: 3978183 (1976-08-01), Erickson
patent: 4101760 (1978-07-01), Roller
patent: 4263577 (1981-04-01), Bauchert et al.
patent: 4636614 (1987-01-01), Itoh et al.
patent: 4650963 (1987-03-01), Yokoi
patent: 4719331 (1988-01-01), Ito et al.
patent: 5264681 (1993-11-01), Nozaki et al.
patent: 5883360 (1999-03-01), Tatematsu et al.

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