Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Patent
1993-03-02
1996-10-08
Mintel, William
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
257292, 257443, 257446, 257448, 307117, 2502081, H01L 2714, H01L 3100
Patent
active
055634311
ABSTRACT:
A photoelectric converter is adapted for an accumulation operation, readout operation and refresh operation. The photoelectric converter includes a transistor including a control electrode region having a semiconductor of a first conductivity type, a first main electrode region comprising a semiconductor of a second conductivity type different from the first conductivity type and disposed electrically connectable to an output circuit including a capacitive load, and a second main electrode region of the second conductivity type, the control electrode region being adapted for accumulating carriers in response to light energy received. Refresh is provided for extinguishing the accumulated carriers while holding the first main electrode region at a reference potential during the refresh operation after the readout operation for reading out a signal based on the accumulated carriers. The refresh is adapted for providing a potential to the control electrode region independently of the first and second main electrode regions from a reference potential source to thereby forward-bias a junction between the control electrode region and the first main electrode region held at the reference potential. The second main electrode region is reverse-biased with respect to the control electrode region during respective periods of the accumulation operation, readout operation, and refresh operation.
REFERENCES:
patent: 4427990 (1984-01-01), Nishizawa
patent: 4686554 (1987-08-01), Ohmi et al.
patent: 4791469 (1988-12-01), Ohmi et al.
patent: 4916512 (1990-04-01), Ohmi et al.
patent: 5128735 (1992-07-01), Ohmi et al.
patent: 5210434 (1993-05-01), Ohmi et al.
Television Society of Japan, Technical Report, ED 590 pp. 53-58, Aug. 28, 1991.
Nishizawa et al., "SIT (Static Induction Transistor) and Its Application To Imaging Device".
Ohmi Tadahiro
Tanaka Nobuyoshi
Canon Kabushiki Kaisha
Mintel William
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