Ceramic heater

Details Ceramic heater Ceramic heater

1997-10-24

1999-02-02

Walberg, Teresa J.

Electric heating

Heating devices

With heating unit structure

219553, 219541, 219552, 338 22R, H05B 344

Patent

active

058668837

ABSTRACT:
A ceramic heater includes a body of aluminum nitride, and a heating element embedded in the body of aluminum nitride. The heating element has a resistance of (E.sup.2 /W).multidot.0.003.OMEGA. to (E.sup.2 /W).multidot.0.135.OMEGA. (E and W denote an input voltage (unit: V) and a weight (unit: g) of the body of aluminum nitride, respectively).

REFERENCES:
patent: 4357526 (1982-11-01), Yamamoto et al.
patent: 4804823 (1989-02-01), Okuda et al.
patent: 5264681 (1993-11-01), Nozaki et al.
patent: 5470506 (1995-11-01), Tanigami et al.
patent: 5498855 (1996-03-01), Deevi et al.
patent: 5710381 (1998-01-01), Atwood et al.
Patent Abstracts of Japan, Japanese Publication No. 06-210189A, Publication Date: Feb. 8, 1994.
Database WPI, Section Ch, Week 9543, Derwent Publ. Ltd., AN 95-334104, XP-002053090, Abstract of Japanese Patent Publications No. 07 230 876A, Publication Date: Aug. 29, 1995.

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