Bulk channel charge coupled device having improved input lineari

Details Bulk channel charge coupled device having improved input lineari Bulk channel charge coupled device having improved input lineari

1980-05-29

1981-07-21

Munson, Gene M.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 24, G11C 1928, H01L 2978

Patent

active

042800684

ABSTRACT:
In bulk channel charge coupled devices the nonlinearity in the input characteristic caused by varactor effects is removed by moving the potential well in which the charge packets are generated below the input electrode to the surface where the center of electrical charge is substantially independent of the value of the charge. Said shift can be obtained by external means, for example an extra d.c. voltage at the input electrode, or by internal means, for example a thicker oxide below the input electrode.

REFERENCES:
patent: 4012759 (1977-03-01), Esser
patent: 4142109 (1979-02-01), Knauer
Sequin et al., "Linearity of Electrical Charge Injection into Charge Coupled Devices", IEEE J. Solid-State Circuits, vol. sc-10 (4/75), pp. 81-92.
Esser, "The Peristaltic Charge Coupled Device", TK 7872.c6c5, 1973, Proc. CCD Applications Conference, San Diego (9/73), pp. 269-277.
Esser, "Peristaltic Charge Coupled Devices . . . ", pp. 343-425, in Jespers et al., Eds., Solid State Imaging Noorhoff, Leyden, Neth. (1976), Tk 8315.n3, 1975.

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