TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC...
G21K
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G 21 K
TECHNIQUES FOR HANDLING PARTICLES OR ELECTROMAGNETIC RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA- OR X-RAY MICROSCOPES (X-ray technique H 05 G; plasma technique H 05 H) [2]
1
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00
Arrangements for handling radiation or particles, e.g. focusing, moderating (radiation filters G 21 K 3/00) [2]
1
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02
using diaphragms, collimators [2]
1
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04
using variable diaphragms, shutters, choppers [2]
1
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06
using diffraction, refraction, or reflection, e.g. monochromators (G 21 K 1/10, G 21 K 7/00 take precedence) [2]
1
/
08
Deviation, concentration, or focusing of the beam by electric or magnetic means (electron-optical arrangements in electric discharge tubes H 01 J 29/46) [2]
1
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087
by electrical means [4]
1
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093
by magnetic means [4]
1
/
10
Scattering devices; Absorbing devices [2]
1
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12
Resonant absorbers or driving arrangements therefor, e.g. for Mφssbauer-effect devices [3]
1
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14
using charge exchange devices, e.g. for neutralising or changing the sign of the electrical charges of beams (producing or accelerating neutral particle beams H 05 H 3/00) [3]
1
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16
using polarising devices, e.g. for obtaining a polarised ion beam [3]
3
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00
Radiation filters, e.g. X-ray filters [2]
4
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00
Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens (photographic processes using X-ray intensifiers
G 03 C 5/17; discharge tubes comprising luminescent screens H 01 J 1/62; cathode ray tubes for X-ray conversion with optical output H 01 J 31/50) [3]
5
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00
Irradiation devices (adaptations of reactors to facilitate irradiation G 21 C 23/00; discharge tubes for irradiating
H 01 J 33/00, H 01 J 37/00) [2]
5
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02
having no beam-forming means [2]
5
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04
with beam-forming means [2]
5
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08
Holders for targets or for objects to be irradiated [2]
5
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10
with provision for relative movement of beam source and object to be irradiated [3]
