Two-phase charge transfer device image sensor

Details Two-phase charge transfer device image sensor Two-phase charge transfer device image sensor

1976-07-09

1977-12-20

Larkins, William D.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

357 30, 250211J, 307221D, H01L 2978, H01L 2714, H01L 3100, H01J 3912

Patent

active

040645240

ABSTRACT:
A charge coupled device capable of operating with two phase clock pulses wherein asymmetrical potential wells are established by the use of channel stoppers which are formed on opposite edges of the charge coupled device and which have restricted portions through which the charges can flow from one storage area to the other.
The invention also comprises an information storage device including an array of photosensors with certain photosensors coupled to a particular charge transfer device according to the invention wherein channel stoppers with restricted passages are formed so as to provide asymmetrical charge transfer between the photosensors and various elements of the charge transfer device.

REFERENCES:
patent: 3816769 (1974-06-01), Crowle
patent: 3826926 (1974-07-01), White et al.
patent: 3856989 (1974-12-01), Weimer
patent: 3883437 (1975-05-01), Nummedal et al.
patent: 3896474 (1975-07-01), Amelio et al.
patent: 3898685 (1975-08-01), Engeler et al.
patent: 3971003 (1976-07-01), Kosonocky
patent: 3983573 (1976-09-01), Ishihara
patent: 3995302 (1976-11-01), Amelio
patent: 4012587 (1977-03-01), Ochi et al.
Sequin, Charge Transfer Devices, Academic Press, N.Y. (7/75) pp. 60, 61, 163, 164.
Walsh et al., "A New Charge-Coupled Area Imaging Device", Suppl. of Proc. CCD Applications Conf., San Diego (9/73).

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