Capacitively coupled array of photodetectors

Details Capacitively coupled array of photodetectors Capacitively coupled array of photodetectors

1978-05-25

1980-04-08

Munson, Gene M.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307311, 357 24, 357 30, 250338, 250370, G11C 1928, H01L 2978, H01L 2714, H01L 3100

Patent

active

041974697

ABSTRACT:
A plurality of metal deposits are formed on the insulated surface of a semiconductive material to create an array of capacitive photodetectors. A plurality of metal columns connect the metal deposit of each photodetector to a corresponding metal deposit on the insulated surface of a silicon charge-coupled device (CCD). In this manner, the voltage signal generated in each photodetector is capacitively coupled to the charge-coupled device. The metal deposit on the CCD forms a gate for a fill/spill circuit which provides the input to the charge-coupled device. In a preferred embodiment, a bi-polar fill/spill circuit is used to provide an input to the CCD which is proportional to the change in voltage of a photodetector during a predetermined clocking period.

REFERENCES:
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patent: 3944849 (1976-03-01), Tasch et al.
patent: 3986198 (1976-10-01), Kosonocky
patent: 4064533 (1977-12-01), Lampe et al.
patent: 4067104 (1978-01-01), Tracy
patent: 4093872 (1978-06-01), Hartman et al.
patent: 4104674 (1978-08-01), Lorenze et al.
patent: 4115692 (1978-09-01), Balcerak et al.
Emmons et al., "A CCD Multiplexer with Forty AC Coupled Inputs", Int. Conf. Application Charge-Coupled Devices, San Diego (10/75), Prec. pp. 43-52.

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