X-ray diagnostic apparatus with an X-ray converter

Details X-ray diagnostic apparatus with an X-ray converter X-ray diagnostic apparatus with an X-ray converter

1999-03-01

2000-11-28

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

25037009, 25037011, H05G 164

Patent

active

061545201

ABSTRACT:
An X-ray diagnostic apparatus has an X-ray source that emits a diverging X-ray beam bundle that strikes a planar X-ray image converter at various angles, the converter having a substrate, image elements on the substrate arranged in a matrix with a semiconductor layer and a layer that absorbs X-ray beams. The X-ray-absorbing layer is fashioned thicker in the region at which a perpendicular ray of the X-ray beam bundle strikes the detector than in the region at which an oblique ray strikes, so that the reduction of the modulation transfer function in the region of an oblique beam incidence remains as small as possible.

REFERENCES:
patent: 5528043 (1996-06-01), Spivey et al.
patent: 5570403 (1996-10-01), Yamazaki et al.
Patent Abstracts of Japan, 5 P 541, Application No. 60-41911.
"Das Rontgenfernsehen," Gebauer et al. pp. 26-33.

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