X-ray or gamma ray systems or devices – Specific application – Diffraction – reflection – or scattering analysis
Patent
1991-06-19
1993-07-27
Porta, David P.
X-ray or gamma ray systems or devices
Specific application
Diffraction, reflection, or scattering analysis
378 88, 378147, 378149, G01N 23201
Patent
active
052316521
ABSTRACT:
A first diaphragm arrangement is between a polychromatic X-ray radiator and an examination region for passing a primary radiation beam traversing the examination region on the generated surface of a cone. A detector arrangement comprising several detector elements receives radiation passed by the first diaphragm arrangement and a second diaphragm arrangement, which is located between the examination region and the detector arrangement and assigns to each respective detector element the scattered radiation which is scattered in a part of the primary radiation beam at a given scattering angle. The association between the individual sections of the primary radiation beam and the different detector elements is such that the second diaphragm arrangement has a slot-shaped opening and the shape of the slot-shaped opening and of the detector elements is adapted to the shape of a cross-section of the primary radiation beam.
REFERENCES:
patent: 4480332 (1984-10-01), Strecker
patent: 4785401 (1988-11-01), Harding et al.
patent: 4956856 (1990-09-01), Harding
patent: 5007072 (1991-04-01), Jenkins et al.
patent: 5008911 (1991-04-01), Harding
Porta David P.
Slobod Jack D.
U.S. Philips Corp.
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