Charge transfer device operative at high speed

Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device – Particular input or output means

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377 63, 357 24, G11C 1928, H01L 2978

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active

045546754

ABSTRACT:
A charge transfer device having a plurality of transfer gates to which phased clock pulses are provided to transfer charge serially from semiconductor regions underlying the transfer gates through an output region underlying an output gate to a charge detector region. The last transfer gate preceding the output gate is fed with a phased clock pulse via a signal line other than the signal lines feeding the remaining transfer gates. The former signal line has an RO time constant lower than that for the other signal lines and permits rapid charge transfer from the last stage to the charge detecting device.

REFERENCES:
patent: 3758794 (1973-09-01), Kosonocky
patent: 3955100 (1976-05-01), Takahashi et al.
patent: 4093872 (1978-06-01), Hartman
patent: 4178519 (1979-12-01), Engeler et al.
patent: 4264915 (1981-04-01), Bierhenke et al.
Anantha et al., "Charge Sensing Circuit Using Charge Amplification"; IBM Tech. Discl. Bull.; vol. 18, No. 12, pp. 4019-4020; 5/1976.

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