Variable resistor

Details Variable resistor Variable resistor

1989-08-25

1991-02-19

Reynolds, Bruce A.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338162, 338172, H01C 1030, H01C 1032, H01C 1036

Patent

active

049947826

ABSTRACT:
A variable resistor comprising a substrate provided on the surface thereof with a resistor on which a sliding member is in slidable contact therewith. The substrate is formed of diallyl phthalic resin, and a carbon resistor formed with a predetermined shape is molded integrally on the surface of the resin substrate. The carbon resistor contains diallyl phthalic resin as a binder resin. Terminals and the carbon resistor molded on the resin substrate are electrically connected through conductive paste. A variable resistor with good physical characteristics is obtained that can be manufactured at low cost, with superior heat resistance, capable of mounting by flow soldering, and having a small rate of resistance value. In addition, since the resistor and the terminals are connected through the conductive paste, connecting strength thereof is not only brought about by physical pressure but reinforced by the adhesion of the conductive paste.

REFERENCES:
patent: 4520341 (1985-05-01), Miyoshi et al.

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