Electrical resistors – With base extending along resistance element – Resistance element and base formed in layers
Patent
1990-02-21
1991-08-13
Lateef, Marvin M.
Electrical resistors
With base extending along resistance element
Resistance element and base formed in layers
338 7, 338195, 338254, 338309, 338333, H01C 1012
Patent
active
050399764
ABSTRACT:
A high-precision and high-stability resistor element, which exhibits zero, or close to zero, resistance deviation during time and in given temperature and power ranges, includes a bonded sandwich of several substrates of inorganic insulating material having a substantially zero coefficient of thermal expansion with one or more R (Resistance) and TCR (Temperature Coefficient of Resistance) trimmed resistive metal foil patterns which can be retrimmed in two directions during periodic verifications.
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patent: 4286249 (1981-08-01), Lewis et al.
patent: 4318072 (1982-03-01), Zandman
patent: 4378549 (1983-03-01), Szwarc
patent: 4570150 (1986-02-01), Zandman et al.
patent: 4677413 (1987-06-01), Zandman et al.
Barish Benjamin J.
Lateef Marvin M.
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