Electrical resistors – Mechanically variable – Resistance value varied by removing or adding material
Patent
1979-03-28
1980-10-14
Albritton, C. L.
Electrical resistors
Mechanically variable
Resistance value varied by removing or adding material
338320, H01C 1000
Patent
active
042284180
ABSTRACT:
A modular trim resistive network providing adjustable in-circuit resistance. The network essentially consists of multiple parallel connected single or double branched series divided resistive elements of which the elements may be separate and distinct or diffused onto or into the surface of an integrated circuit. In either instance the elements are interconnected by conductive leads in such a manner that the selective severing of various leads results in the desired matching network resistance.
REFERENCES:
patent: 2261667 (1941-11-01), Stroszeck
patent: 2748234 (1956-05-01), Clarke et al.
patent: 4019168 (1977-04-01), Collins
A. Bross, et al., IBM Technical Disclosure Bulletin, "Modular Resistor Ar", vol. 13, No. 5, Oct. 1970.
Hacskaylo Michael
Piedmont James R.
Albritton C. L.
Edelberg Nathan
Gibson Robert P.
Lee Milton W.
The United States of America as represented by the Secretary of
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