Method of adjusting resistance of a thick-film thermistor

Details Method of adjusting resistance of a thick-film thermistor Method of adjusting resistance of a thick-film thermistor

1976-05-13

1977-08-09

Albritton, C. L.

Electrical resistors

Mechanically variable

Resistance value varied by removing or adding material

29620, 323 94R, 338 22R, H01C 1000

Patent

active

040414400

ABSTRACT:
A functionally adjusted thick-film thermistor-resistor network having an accurately preselected electrical resistance and change of electrical resistance with temperature, and a method of forming the same. The network features a thermistor and/or a conductor segment contacting the thermistor having a plurality of parallel paths. Some of the paths preferably provide a different resistance change with temperature than others. A selected number of the parallel paths are severed during functional testing to adjust the thermistor to a preselected change in network resistance with change in temperature. The resistor is functionally adjusted in the usual manner to obtain the selected total network resistance value at room temperature.

REFERENCES:
patent: 3134953 (1964-05-01), Eislor
patent: 3284878 (1966-11-01), Best
patent: 3512254 (1970-05-01), Jenkins et al.
patent: 3669733 (1972-06-01), Allington
patent: 3936789 (1976-02-01), Matzen et al.
patent: 3947801 (1976-03-01), Bube

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