WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

G21K　TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES

G21K 1/00 Arrangements for handling particles or ionizing radiation, e.g. focusing or moderating (production or acceleration of neutrons, electrically-charged particles, neutral molecular beams or neutral atomic beams H05H 3/00-H05H 15/00)

G21K 1/003 ・{Manipulation of charged particles by using radiation pressure, e.g. optical levitation (acceleration of charged particles H05H 5/00, H05H 7/00, H05H 9/00, H05H 11/00, H05H 13/00)}

G21K 1/006 ・{Manipulation of neutral particles by using radiation pressure, e.g. optical levitation (production or acceleration of neutral particles H05H 3/00)}

G21K 1/02 ・using diaphragms, collimators

G21K 1/025 ・・{using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation}

G21K 1/04 ・・using variable diaphragms, shutters, choppers

G21K 1/043 ・・・{changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels}

G21K 1/046 ・・・{varying the contour of the field, e.g. multileaf collimators}

G21K 1/06 ・using diffraction, refraction or reflection, e.g. monochromators (G21K 1/10, G21K 7/00 take precedence)

G21K 1/062 ・・{Devices having a multilayer structure}

G21K 1/065 ・・{using refraction, e.g. Tomie lenses}

G21K 1/067 ・・{using surface reflection, e.g. grazing incidence mirrors, gratings (multilayer mirrors G21K 1/062; crystal optics G21K 1/06)}

G21K 1/08 ・Deviation, concentration or focusing of the beam by electric or magnetic means (electron-optical arrangements in electric discharge tubes H01J 29/46; {details, e.g. electric or magnetic deviating means for direct voltage accelerators or in accelerators using single pulses H05H 5/02; arrangements for injecting particles into orbits H05H 7/08; arrangements for ejecting particles from orbits H05H 7/10})

G21K 1/087 ・・by electrical means

G21K 1/093 ・・by magnetic means

G21K 1/10 ・Scattering devices; Absorbing devices; Ionising radiation filters

G21K 1/12 ・・Resonant absorbers or driving arrangements therefor, e.g. for Moessbauer-effect devices {(motors with reciprocating, oscillating or vibrating magnet, armature or coil system in general H02K 33/00)}

G21K 1/14 ・using charge exchange devices, e.g. for neutralising or changing the sign of the electrical charges of beams (producing or accelerating neutral particle beams H05H 3/00)

G21K 1/16 ・using polarising devices, e.g. for obtaining a polarised beam {(ion sources, ion guns H01J 27/02; polarised targets for producing nuclear reactions H05H 6/005)}

G21K 4/00 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 G03C 5/17; discharge tubes comprising luminescent screens H01J 1/62; cathode ray tubes for X-ray conversion with optical output H01J 31/50)

G21K 5/00 Irradiation devices (discharge tubes for irradiating H01J 37/00)

G21K 5/02 ・having no beam-forming means

G21K 5/04 ・with beam-forming means

G21K 5/08 ・Holder for targets or for other objects to be irradiated

G21K 5/10 ・with provision for relative movement of beam source and object to be irradiated

G21K 7/00 Gamma- or X-ray microscopes

G21K 2004/00 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 G03C 5/17; discharge tubes comprising luminescent screens H01J 1/62; cathode ray tubes for X-ray conversion with optical output H01J 31/50)

G21K 2004/02 ・characterised by the external panel structure

G21K 2004/04 ・with an intermediate layer

G21K 2004/06 ・with a phosphor layer

G21K 2004/08 ・with a binder in the phosphor layer

G21K 2004/10 ・with a protective film

G21K 2004/12 ・with a support

G21K 2201/00 Arrangements for handling radiation or particles

G21K 2201/06 ・using diffractive, refractive or reflecting elements

G21K 2201/061 ・・characterised by a multilayer structure

G21K 2201/062 ・・the element being a crystal

G21K 2201/064 ・・having a curved surface

G21K 2201/065 ・・provided with cooling means

G21K 2201/067 ・・Construction details

G21K 2201/068 ・・specially adapted for particle beams

G21K 2207/00 Particular details of imaging devices or methods using ionizing electromagnetic radiation such as X-rays or gamma rays

G21K 2207/005 ・Methods and devices obtaining contrast from non-absorbing interaction of the radiation with matter, e.g. phase contrast