Precision type resistor

Details Precision type resistor Precision type resistor

1974-10-08

1976-08-03

Goldberg, E. A.

Electrical resistors

Incased, embedded, or housed

338214, 338306, 338308, 338315, 338327, H01C 1012

Patent

active

039732347

ABSTRACT:
Improved forms of electric resistance elements or resistors may be made from semiconducting organic-refractory oxide fibers, as for example drawn alumina fibers which have been subjected to contact with a pyrolyzable organic substance at a temperature above about 400.degree. C. A few, or a large number of the semiconductive fibers, can be used in a group or bundle form to provide a desired resistance for a particular resistor. A preferred form of resistance element will cover the fibers in a quartz tube or other suitable encapsulating material to preclude moisture problems.

REFERENCES:
patent: 2473183 (1949-06-01), Watson
patent: 2481589 (1949-09-01), Hansell
patent: 2669646 (1954-02-01), Ford
patent: 2703356 (1955-03-01), Buchanan
patent: 3390452 (1968-07-01), Huang
patent: 3565683 (1971-02-01), Morelock
patent: 3818412 (1974-06-01), Dearduff
patent: 3843950 (1974-10-01), Schladitz

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