Trimmed resistor

Details Trimmed resistor Trimmed resistor

1991-03-21

1993-03-30

Lateef, Marvin M.

Electrical resistors

Mechanically variable

Resistance value varied by removing or adding material

338306, 338308, 338325, 21912168, H01C 1046

Patent

active

051987945

ABSTRACT:
A trimmed resistor is provided which has no directional feature when used and is easily mounted on a printed base board. In the trimmed resistor, there are formed four external electrodes arranged at peripheral portions of a rectangular insulation base plate in a point symmetrical distribution about a center of the insulation base plate, a film-like resistance body connected with all of the external electrodes, and a protective film covering the film-like resistance body. Two electrodes among the above-mentioned four electrodes are used as resistor terminals, and a cut slit for trimming is formed in the resistance body longitudinally or as starting from a side of the electrodes serving as resistor terminals.

REFERENCES:
patent: 3947801 (1976-03-01), Bube
patent: 4403133 (1983-09-01), Turner et al.
patent: 4443782 (1984-04-01), d'Orsay
patent: 4505032 (1985-03-01), Praria
patent: 4531111 (1985-07-01), Schmidt et al.
patent: 5051719 (1991-09-01), Gaston et al.
patent: 5057964 (1991-10-01), Bender et al.

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