Absolute charge difference detection method and structure for a

Details Absolute charge difference detection method and structure for a Absolute charge difference detection method and structure for a

1983-12-30

1987-01-27

Munson, Gene M.

Electricity: measuring and testing

Electrostatic field

357 24, 377 62, G01R 2924, G01R 2912, H01L 2978, G11C 1928

Patent

active

046396780

ABSTRACT:
Two unknown charge packets are stored in adjacent potential wells of equal depth in a charge coupled device. The charge packets are then merged by changing the potential on an intermediate merge electrode to remove a potential barrier between the two wells. The potential barrier is then re-established, and a current is induced through one of the electrodes which established the two wells of equal depth, and that current is integrated as a measure of the original absolute difference between the two charge packets.

REFERENCES:
patent: 4072939 (1978-02-01), Heller et al.
patent: 4104543 (1978-08-01), Maeding
patent: 4239983 (1980-12-01), Edwards
patent: 4303839 (1981-12-01), Berger et al.
patent: 4323791 (1982-04-01), Berger et al.
patent: 4374334 (1983-02-01), Engeler
Baertsch et al., "A New Surface Charge Analog Store", IEEE Int. Electron Devices Meeting (12/73), Tech. Dig., pp. 134-137.

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