Charge coupled device with meander channel and elongated, straig

Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device – Compensating for or preventing signal charge deterioration

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357 24, 333165, 377 60, G11C 1928, H01L 2978, H03H 1502

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active

045312257

ABSTRACT:
A charge coupled device has a meandering charge path formed by a channel stop of unique shape. The channel stop is of interdigitated pattern, and the gate electrodes form a straight strip. The channel stop pattern and an asymmetric depletion layer formed within the channel cause the transfer of the charge through the channel via the meandering charge path. A transversal filter and imaging device are readily provided by extracting the signal from one or both sides of the channel.

REFERENCES:
patent: 3745383 (1973-07-01), Sangster
patent: 3789240 (1974-01-01), Weimer
patent: 3789267 (1974-01-01), Krambeck et al.
patent: 3858232 (1974-12-01), Boyle et al.
patent: 3906542 (1975-09-01), Krambeck et al.
patent: 3973138 (1976-08-01), Puckette et al.
Ohtsuki et al., "CCD with Meander Channel", Japanese J. Applied Physics, vol. 15, No. 6 (6/76), pp. 1173-1174.
Ohtsuki et al., "CCD with Meander Channel", 3rd. Int. Conf., Technol. and Applications of CCD'S, Edinburgh (9/76), pp. 38-43.
Sequin et al., Charge Transfer Devices Academic Press, N.Y. (7/75), pp. 18-31, 42-53, 58, 59, 144-146, 216-218, 226-228.
Sangster, "Integrated Bucket-Brigade Delay Line Using MOS Tetrodes", Philips Technical Review, vol. 31 (1970) p. 266.
Buss et al., "Transversal Filtering Using Charge Transfer Device", IEEE J. Solid-State Circuits, vol. Sc-8 (4/73), pp. 138-146.
Steen, "Digital Integrated Circuits with Mosts", Philips Technical Review, vol. 31 (1970), p. 283.
Sequin et al., Charge Transfer Devices, Academic Press, N.Y. (7/75) pp. 90-97.

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