Metal working – Method of mechanical manufacture – Electrical device making
Patent
1988-06-28
1990-05-01
Echols, P. W.
Metal working
Method of mechanical manufacture
Electrical device making
338195, 204 141, 20419221, 296101, H01C 700
Patent
active
049206354
ABSTRACT:
A thermo-sensitive resistor including an electrically insulating substrate, a thin-film heating resistor formed on the substrate and lead wires electrically connected to the thin-film heating resistor, wherein the resistance of the thin-film heating resistor is adjusted by increasing or decreasing a film thickness of a previously formed base thin-film heating resistor by means of an electroplating method or an electroless plating method, and thus the area for heating of the thermo-sensitive resistor can remain constant even if the resistance adjustment is performed.
REFERENCES:
patent: 1388373 (1921-08-01), Richtmyer
patent: 1847653 (1932-03-01), Jones et al.
patent: 1859112 (1932-05-01), Silberstein
patent: 2942331 (1960-06-01), Smiley
patent: 3607679 (1971-09-01), Melroy et al.
patent: 3820239 (1974-06-01), Nagata
patent: 4323875 (1982-04-01), Tentarelli et al.
patent: 4712085 (1987-12-01), Miki et al.
Chemical Abstracts, vol. 79, No. 24, 12/17/73, p. 241.
Echols P. W.
NGK Insulators Ltd.
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