Solid-state imaging device with tapered channel regions

Details Solid-state imaging device with tapered channel regions Solid-state imaging device with tapered channel regions

1993-03-19

1994-11-15

Van Ngo, Ngan

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

257229, 257231, 257234, 257240, 257243, 257249, H01L 2978, H01L 2714, H01L 3100

Patent

active

053650930

ABSTRACT:
A solid-state imaging device. An intermediate portion of a channel region have a tapered width from one shift register in which the signal charges to be read-out toward the other shift register. Therefore, the potential distribution of the channel region along the charge transfer direction has a continuous down-slope toward the one shift register. Thus, reading-out electric field can be improved.

REFERENCES:
patent: 4398301 (1983-08-01), Dyck
patent: 5182622 (1993-01-01), Iizuka et al.

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