Semiconductor device having at least two resistors with high resistance values
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United States of America Patent
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Feb 16, 1988
Grant Date -
N/A
app pub date -
May 15, 1986
filing date -
May 27, 1981
priority date (Note) -
Expired
status (Latency Note)
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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.
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