X-ray examination apparatus including a filter

Details X-ray examination apparatus including a filter X-ray examination apparatus including a filter

1998-05-21

2000-09-12

Porta, David P.

X-ray or gamma ray systems or devices

Beam control

Filter

378156, 378157, G21K 300

Patent

active

061188557

ABSTRACT:
X-ray examination apparatus including a filter An X-ray examination apparatus (1) includes an X-ray source (2), an X-ray detector (5) and an X-ray filter (6). The X-ray filter (6) is arranged between the X-ray source and the X-ray detector. The X-ray filter (6) includes a plurality of filter elements (7) whose X-ray absorptivity can be adjusted by adjusting a quantity of X-ray absorbing liquid (30) present in individual filter elements (7). The filter elements are formed by substantially parallel plates (8), respective plates being provided with separating members (10) which project approximately transversely from the plane of such a plate. The filter elements are formed notably by parallel corrugated plates or by parallel plates provided with partitions extending transversely from the plates.

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