X-ray image sensor

Details X-ray image sensor X-ray image sensor

1996-09-11

1998-03-17

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

250580, 378 988, G01T 124, G01T 129

Patent

active

057290210

ABSTRACT:
An x-ray image sensor (1) with a lead-oxide photoconductor layer (6) positioned between collecting electrodes (3) and a common electrode (2) is provided with a passivation layer (7) which separates the lead-oxide from the metal of the common electrode to counteract degradation of the photoconductor layer due to chemical reactions between then metal of the common electrode and the lead-oxide. A bias layer (8) is provided between the common electrode (2) and the photoconductor layer (6) and a cladding layer (9) is provided between collecting electrodes (3) and the photoconductor layer (6) so as to avoid injection of charges into the photoconductor layer.

REFERENCES:
patent: 4233514 (1980-11-01), Kingsley
patent: 5187369 (1993-02-01), Kingsley et al.
patent: 5319206 (1994-06-01), Lee et al.
patent: 5381014 (1995-01-01), Jeromin et al.
patent: 5396072 (1995-03-01), Schiebel et al.
patent: 5498880 (1996-03-01), Lee et al.
patent: 5563421 (1996-10-01), Lee et al.

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