CCD apparatus for preventing a smear phenomenon

Details CCD apparatus for preventing a smear phenomenon CCD apparatus for preventing a smear phenomenon

1995-04-20

1997-12-16

Faile, Andrew

Television

Camera, system and detail

Combined image signal generator and general image signal...

348250, 257223, 257229, 257233, H04N 964, H01L 27148, H01L 29768

Patent

active

056991142

ABSTRACT:
A CCD for detecting images includes a substrate, a well region formed on the semiconductor substrate, a horizontal CCD (HCCD) formed in the well region, a photodiode region formed in the well region at a prescribed spacing from the HCCD, a channel stop layer, an impurity diffusion layer which serves as a potential barrier region around the side and lower portions of the photodiode region so as to completely separate the photodiode region from the well region, a gate insulating layer formed on the substrate, a polygate formed on the gate insulating layer above the HCCD, an insulating layer formed on portions of the gate insulating layer, and a metal shielding layer formed on the insulating layer, whereby a smear phenomenum is prevented.

REFERENCES:
patent: 5181093 (1993-01-01), Kawaura
patent: 5238864 (1993-08-01), Maegawa et al.
patent: 5262661 (1993-11-01), Kuroda et al.
patent: 5349216 (1994-09-01), Lee et al.
patent: 5446297 (1995-08-01), Lee
patent: 5514887 (1996-05-01), Hokari

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