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CPC
COOPERATIVE PATENT CLASSIFICATION
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G21K
TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR ; IRRADIATION DEVICES ; GAMMA RAY OR X-RAY MICROSCOPES
NOTE
-
In this subclass, the following term is used with the meaning indicated:
"particle" means a molecular, atomic or subatomic particle


WARNING
-
The following IPC group is not used in the CPC scheme. Subject matter covered this group is classified in the following CPC group:
- G21K3/00 covered by G21K 1/10

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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 )
}
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G21K 1/02
.
using diaphragms, collimators
G21K 1/025
. .
{
using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
}
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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
}
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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 )
}
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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
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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 )
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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
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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
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G21K 2201/00
Arrangements for handling radiation or particles
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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
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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
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Last Modified: 04/16/2013 4:31:16 PM