CERAMIC HEATER FOR SENSOR AND OXYGEN SENSOR

PROBLEM TO BE SOLVED: To provide a ceramic heater for a sensor capable of rapidly heating the sensor without causing a trouble such as cracking and wire breakage, and an oxygen sensor. SOLUTION: A heating pattern 22 is held by a first aluminum substrate 15 and a second aluminum substrate 21. The hea...

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Bibliographic Details
Main Authors KOJIMA TAKAO, YANAGI KUNIO, KUROKI YOSHIAKI
Format Patent
LanguageEnglish
Published 08.01.2004
Edition7
Subjects
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:PROBLEM TO BE SOLVED: To provide a ceramic heater for a sensor capable of rapidly heating the sensor without causing a trouble such as cracking and wire breakage, and an oxygen sensor. SOLUTION: A heating pattern 22 is held by a first aluminum substrate 15 and a second aluminum substrate 21. The heating pattern 22 comprises a heating part 25 meandering so as to be formed in 6-row at the tip of the substrate and a pair of lead parts 26 extending from the lateral end part of the heating part 25 to the root side (base end side) of the substrate. In particular, since a line width at the tip part 25a of the heating part 25 is set larger than that at the base end part 25b, a resistance value at the tip part 25a of the heating part 25 is set smaller than that at the base end part 25b. Thus, a heating value at the tip part 25a of the heating part 25 can be lowered than that at the base end part 25b. COPYRIGHT: (C)2004,JPO
Bibliography:Application Number: JP20030127404