Electrical resistors – Mechanically variable – Resistance value varied by removing or adding material
Patent
1978-10-16
1980-04-08
Albritton, C. L.
Electrical resistors
Mechanically variable
Resistance value varied by removing or adding material
338308, 338314, H01C 1000
Patent
active
041975219
ABSTRACT:
A thick film resistor which fuses at low continuous current yet withstands high voltage pulses. The resistor design comprises a series of smaller thick film resistors disposed on a ceramic substrate, each having laser trimmed kerfs strategically located to control current flow and prevent voltage arcing across the kerfs.
REFERENCES:
patent: 4041440 (1977-08-01), Davis et al.
Siemens AG, German Printed Application, 2611819.
Albritton C. L.
Black Robert J.
GTE Automatic Electric Laboratories Incorporated
Hendricks Gregory G.
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