Integrated circuit resistance ladder having curvilinear connecti

Details Integrated circuit resistance ladder having curvilinear connecti Integrated circuit resistance ladder having curvilinear connecti

1979-03-19

1980-08-26

Albritton, C. L.

Electrical resistors

Particular configuration and/or dimension

338308, 338325, 357 51, H01C 700

Patent

active

042197970

ABSTRACT:
A resistance ladder having a plurality of resistance branches in an integrated circuit chip, including a layer of resistive material defining a plurality of discrete linear segments and a plurality of connector tabs extending from each of the linear segments at predetermined intervals for defining each resistance branch: wherein the layer of resistive material further defines a number of curvilinear segments for connecting the linear segments to provide a continuous resistive material layer for defining said resistance ladder. Each curvilinear segment is approximately a segment of a circle. The resistive material layer also defines a plurality of connector tabs extending from each curvilinear segment; with the angular separation of the tabs being approximately defined by

REFERENCES:
patent: 3460026 (1969-08-01), Dow et al.
patent: 3617959 (1971-11-01), Cicero
patent: 3644802 (1972-02-01), Dingwall
patent: 3922707 (1975-11-01), Freed et al.
patent: 4116102 (1978-09-01), Tsunoo et al.

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