Semiconductor device having at least two resistors with high res

Details Semiconductor device having at least two resistors with high res Semiconductor device having at least two resistors with high res

1986-05-15

1988-02-16

James, Andrew J.

Electrical resistors

Incased, embedded, or housed

Element in insulation with outer metallic sheath

338 48, H01L 2702

Patent

active

047258764

ABSTRACT:
A semiconductor device comprising at least two pinch resistors or two ion-implanted resistors having a precise resistance ratio therebetween. The pinch resistor and ion-implanted resistor have at least one region contributing to the determination of a resistance value, respectively. In two pinch resistors or two ion-implanted resistors, a ratio in number of a plurality of regions in one resistor to at least one region in the other resistor is selected to be identical to the resistance ratio of one resistor to the other resistor, resulting in that a precise resistance ratio is realized despite different configurations of the two resistors.

REFERENCES:
patent: 3666995 (1972-05-01), Wensink et al.
patent: 3906430 (1978-06-01), Hareyama et al.

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