Method for making a temperature sensor

Details Method for making a temperature sensor Method for making a temperature sensor

1995-12-12

1999-12-21

Kopec, Mark

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252511, 338 22R, 264 291, 264 295, H01B 104, H01C 710, C01B 3100

Patent

active

060044853

ABSTRACT:
A temperature sensor which can be used at ordinary temperatures is provided. After a lamination plate of a phenol resin is carbonized at 640 to 750.degree. C., the powder of the carbonized material and the binder formed of a thermosetting resin, such as phenol or epoxy, are kneaded and formed into a paste, after which this paste is printed between terminals of a base film, such as polyimide, having a high resistance to heat and is calcined at a low temperature. Thus, a temperature sensor such that a resistance element is printed on the base film is obtained. The temperature sensor shows a large change of the resistance value with respect to an environment temperature change at ordinary temperatures.

REFERENCES:
patent: 1403803 (1922-01-01), Maxfield et al.
patent: 2050357 (1936-08-01), McCulloch
patent: 3966578 (1976-06-01), Sommer
patent: 4193860 (1980-03-01), Folser
patent: 4547310 (1985-10-01), Kasanami et al.
patent: 4577979 (1986-03-01), Kalnin et al.
patent: 5175214 (1992-12-01), Takaya et al.
patent: 5407741 (1995-04-01), Ota
patent: 5431844 (1995-07-01), Nishiwaki
patent: 5603867 (1997-02-01), Ohsaki et al.

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