Polysilicon resistor semiconductor device

Details Polysilicon resistor semiconductor device Polysilicon resistor semiconductor device

2006-10-10

2006-10-10

Hoang, Tu (Department: 2832)

Electrical resistors

With base extending along resistance element

Resistance element coated on base

C338S007000

Reexamination Certificate

active

07119657

ABSTRACT:
A semiconductor device includes a polysilicon resistor that can suppress variations in resistance value in environments with an ambient temperature higher than room temperature. The resistance value Rconof a polysilicon contact is reduced to 2% or less of the sum of the resistance value Rconof the polysilicon contact and the resistance value Rpolyof a polysilicon resistor. Hence, a semiconductor device that is not significantly affected by a variation in the resistance of the polysilicon contact is realized. This device suppresses variations in resistance value in environments with an ambient temperature higher than room temperature.

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