Diffused resistor

Details Diffused resistor Diffused resistor

1980-04-11

1982-01-05

Larkins, William D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

357 22, 357 48, 357 51, 357 86, H01L 2704

Patent

active

043096263

ABSTRACT:
A diffused resistor for an integrated circuit comprising two resistor portions. Each of the resistor portions comprises a semiconductor substrate of a first conductivity type, an isolated epitaxial region of a second conductivity type, a diffused region (i.e. a resistance layer) of the first conductivity type, a contacting region of the second conductivity type and terminals. An end portion of the resistance layer in one of the resistor portions is connected to one of the ends of the resistance layer in the other resistor portion so that these resistance layers combine to form a resistor. In the other resistor portion the other end portion of the resistance layer is connected to the contacting region. Depletion layers generated in the resistor portions vary so as to maintain the resistance of the diffused resistor constant.

REFERENCES:
patent: 3700977 (1972-10-01), Lunn
patent: 4034395 (1977-07-01), Abdelrahman
patent: 4161742 (1979-07-01), Kane
patent: 4164668 (1979-08-01), Delaporte et al.
patent: 4263518 (1981-04-01), Ballatone et al.
Bergeron et al., IBM Technical Disclosure Bulletin, vol. 20, No. 3, Aug. 1977, p. 1089.

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