Ceramic heater and its manufacturing method

Details Ceramic heater and its manufacturing method Ceramic heater and its manufacturing method

1996-11-05

1999-06-29

Walberg, Teresa

Electric heating

Heating devices

With heating unit structure

219541, 219552, H05B 316

Patent

active

059164670

ABSTRACT:
In a ceramic heater applicable to an oxygen concentration sensor used to detect an oxygen concentration sensor in an exhaust gas of an internal combustion engine, a heating pattern constituted by an electrically resistive body comprises a plurality of radially extended segments on an outer peripheral surface of a cylindrical main body made of a ceramic material. Since a length of an axially extended segment of the heating pattern on the cylindrical main body is excessively short, a tip of a squeege can be prevented from pressing a mask used to make, for example, a curved surface printing using an electrically resistive conductive paste.

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patent: 4512871 (1985-04-01), Kato et al.
patent: 4634837 (1987-01-01), Ito et al.
patent: 4697165 (1987-09-01), Ishiguro et al.
patent: 5233166 (1993-08-01), Maeda et al.
patent: 5331134 (1994-07-01), Kimura
patent: 5573690 (1996-11-01), Nobori et al.
patent: 5616024 (1997-04-01), Nobori et al.
patent: 5736095 (1998-04-01), Shimada et al.

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