Color imaging charge-coupled array with photosensitive layers in

Details Color imaging charge-coupled array with photosensitive layers in Color imaging charge-coupled array with photosensitive layers in

1992-11-09

1994-03-29

Jackson, Jerome

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

Heterojunction device

Charge transfer device

257184, 257231, 257235, 257236, 257239, 257440, H01L 29161, H01L 2978, H01L 2714

Patent

active

052987710

ABSTRACT:
A multi-color imaging charge-coupled array comprises a plurality of photosensitive layers, each sensitive to a specific range of wavelengths as would be found in a full-color image. The various photosensitive layers are separated by boundary layers of high band-gap energy, so that charge packets formed within individual layers are insulated from charge packets formed in other layers within the same pixel. The combination of photosensitive layers and high band-gap boundary layers cause charge packets to be formed in potential wells within each pixel area of the charge-coupled array.

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