Static information storage and retrieval – Systems using particular element – Semiconductive
Patent
1981-12-17
1984-10-23
Popek, Joseph A.
Static information storage and retrieval
Systems using particular element
Semiconductive
357 24, 377 63, G11C 1304
Patent
active
044792018
ABSTRACT:
Trade-off between dynamic range and sampling rate in a charge coupled device is virtually eliminated in the serpentine charge coupled device of the present invention. In this device, for each charge packet transferred in a first direction, a plurality of n charge packets are transferred in a second transverse direction in the serpentine register. Accordingly, for a given charge transfer rate in the first direction, the charge coupled device clock frequency is increased by a factor of n. The serpentine register is formed on the semiconductive substrate having two parallel channel stops extending in a first direction and a plurality of parallel interlaced channel stop fingers extending in a second direction which are alternately connected to the two parallel channel stops. Charge transfer is accomplished under the control of a plurality of n parallel electrodes extending in a first direction formed in a first level above the substrate and a second plurality of parallel electrodes formed in a second level above the substrate which extend diagonally in a third direction. A complementary pair of clock signals are alternately connected among the first electrodes and among the diagonal electrodes.
REFERENCES:
patent: 3965462 (1976-06-01), Belt
patent: 4371885 (1983-01-01), Parrish et al.
patent: 4380056 (1983-04-01), Parrish et al.
Bethurum W. J.
Hughes Aircraft Company
Karambelas A. W.
Popek Joseph A.
Sternfels Lewis B.
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