Method of adjusting resistance of a thermistor

Details Method of adjusting resistance of a thermistor Method of adjusting resistance of a thermistor

1977-04-14

1980-05-06

Mehr, Milton S.

Metal working

Method of mechanical manufacture

Electrical device making

29612, 338195, H01C 704

Patent

active

042009707

ABSTRACT:
A wafer thermistor with opposite, generally flat surfaces has two spaced apart contacts on one surface and a third contact on the opposite surface; the third contact is considerably larger in surface area than the two contacts on the one surface; the conductors leading to the thermistor are connected to the two contacts on the one surface; to change the resistance of the thermistor, removal of a larger percentage of the surface area of one of the contacts will change the resistance of the thermistor by only a fraction of the surface area of the contact that was removed.

REFERENCES:
patent: 2693023 (1954-11-01), Kerridge et al.
patent: 3402448 (1968-09-01), Heath
patent: 3422386 (1969-01-01), Helgeland
patent: 3548492 (1970-12-01), Weber
patent: 3657692 (1972-04-01), Wormser
patent: 3827142 (1974-08-01), Bennett et al.
patent: 3936789 (1976-02-01), Matzen et al.

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