Cooperative Patent Classification


Version: 2017.08
CPC
COOPERATIVE PATENT CLASSIFICATION
G01T
MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N; counters per se G06M, H03K; electric discharge tubes for analysing radiation or particles H01J 40/00, H01J 47/00, H01J 49/00) [2013-01]
NOTES

  • This subclass covers the measurement of X-radiation, gamma radiation, corpuscular radiation, cosmic radiation or neutron radiation.
  • Attention is drawn to the Notes following the title of class G01.
G01T 1/00
Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation (G01T 3/00, G01T 5/00 take precedence) [2013-01]
G01T 1/003
.
{Scintillation (flow) cells} [2013-01]
G01T 1/006
.
{Total absorption calorimeters; Shower detectors} [2013-01]
G01T 1/02
.
Dosimeters (G01T 1/15 takes precedence, measuring exposure time to X-rays H05G 1/28) [2013-01]
G01T 1/023
. .
{Scintillation dose-rate meters} [2013-01]
G01T 1/026
. .
{Semiconductor dose-rate meters} [2013-01]
G01T 1/04
. .
Chemical dosimeters (G01T 1/06, G01T 1/08 take precedence) [2013-01]
G01T 1/06
. .
Glass dosimeters {using colour change; including plastic dosimeters} [2013-01]
G01T 1/08
. .
Photographic dosimeters (sensitive materials, processing thereof G03C; {photometry G01J 1/52}) [2013-01]
G01T 1/10
. .
Luminescent dosimeters [2013-01]
G01T 1/105
. . .
Read-out devices (G01T 1/115 takes precedence) [2013-01]
G01T 1/11
. . .
Thermo-luminescent dosimeters {(thermo-luminescent compositions C09K 11/00)} [2013-01]
G01T 1/115
. . . .
Read-out devices [2013-01]
G01T 1/12
. .
Calorimetric dosimeters [2013-01]
G01T 1/14
. .
Electrostatic dosimeters (construction of ionisation chambers H01J 47/02 {; electrometers G01R 5/28}) [2017-08]
G01T 1/142
. . .
Charging devices; Read-out devices [2013-01]
G01T 1/15
.
Instruments in which pulses generated by a radiation detector are integrated, e.g. by a diode pump circuit (pulse rate meters in general G01R 23/02) [2013-01]
G01T 1/16
.
Measuring radiation intensity (G01T 1/29 takes precedence {; self-powered detectors G01T 3/006; using an ionisation chamber filled with a liquid or solid, e.g. frozen liquid, dielectric G01T 3/008}) [2017-08]
G01T 1/1603
. .
{with a combination of at least two different types of detector (see provisionally also G01T 1/16)} [2013-01]
G01T 1/1606
. .
{with other specified detectors not provided for in the other sub-groups of G01T 1/16 (see provisionally also G01T 1/16)} [2013-01]
G01T 1/161
. .
Applications in the field of nuclear medicine, e.g. in vivo counting {(apparatus for radiation diagnosis A61B 6/00)} [2017-08]
G01T 1/1611
. . .
{using both transmission and emission sources sequentially (SPECT imaging G01T 1/1642; PET imaging G01T 1/2985; detecting hidden objects, e.g. weapons, explosives G01V 5/0008)} [2013-01]
G01T 1/1612
. . . .
{with scintillation detectors (G01T 1/20 takes precedence)} [2013-01]
G01T 1/1614
. . . .
{with semiconductor detectors (G01T 1/24 takes precedence)} [2013-01]
G01T 1/1615
. . .
{using both transmission and emission sources simultaneously (SPECT imaging G01T 1/1642; PET imaging G01T 1/2985; detecting hidden objects, e.g. weapons, explosives G01V 5/0008)} [2013-01]
G01T 1/1617
. . . .
{with scintillation detectors (G01T 1/20 takes precedence)} [2013-01]
G01T 1/1618
. . . .
{with semiconductor detectors (G01T 1/24 takes precedence)} [2013-01]
G01T 1/163
. . .
Whole body counters {(hand or feet contamination measurement G01T 1/167; lung, brain, thyroid, kidney or the like counting G01T 1/16)} [2013-01]
G01T 1/1635
. . . .
{involving relative movement between detector and subject; scanning beds (profile scanning G01T 1/166; positioning patients, tiltable tables for radiation diagnosis A61B 6/04)} [2013-01]
G01T 1/164
. . .
Scintigraphy (radioisotopes G21G 4/00; tracers G21H 5/00; {measurement of spatial distribution G01T 1/2914; apparatus for radiation diagnosis in different planes A61B 6/02}) [2013-01]
G01T 1/1641
. . . .
{Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras} [2013-01]
G01T 1/1642
. . . . .
{using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras} [2013-01]
G01T 1/1644
. . . . .
{using an array of optically separate scintillation elements permitting direct location of scintillations (G01T 1/1645 takes precedence)} [2013-01]
G01T 1/1645
. . . . .
{using electron optical imaging means, e.g. image intensifier tubes, coordinate photomultiplier tubes, image converter} [2013-01]
G01T 1/1647
. . . . .
{Processing of scintigraphic data (not related to a particular imaging system G01T 1/2992)} [2013-01]
G01T 1/1648
. . . . .
{Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices (adapted for flow studies G01T 1/1647)} [2016-08]
G01T 1/166
. . . .
involving relative movement between detector and subject {(scanners in general without using scintigraphy G01T 1/2964)} [2013-01]
G01T 1/1663
. . . . .
{Processing methods of scan data, e.g. involving contrast enhancement, background reduction, smoothing, motion correction, dual radio-isotope scanning, computer processing (for measuring spatial distribution of radiation G01T 1/2992; general purpose image data processing G06T 1/00; computerized tomography G06T 11/003); Ancillary equipment (colour printers G01T 1/1666)} [2013-01]
G01T 1/1666
. . . . . .
{adapted for printing different symbols or colours according to the intensity or energy level of the detected radioactivity (depth discrimination in colour G01T 1/2985)} [2013-01]
G01T 1/167
. .
Measuring radioactive content of objects, e.g. contamination (whole body counters G01T 1/163) [2013-01]
G01T 1/169
. .
Exploration, location of contaminated surface areas (prospecting by the use of nuclear radiation, e.g. of natural or induced radioactivity G01V 5/00 ){in situ measurement, e.g. floor contamination monitor (directional detectors G01T 1/2907)} [2016-08]
G01T 1/17
. .
Circuit arrangements not adapted to a particular type of detector {(pulse-selection circuits H03K, G01R)} [2013-01]
G01T 1/171
. . .
{Compensation of dead-time counting losses (see provisionally also G01T 1/17)} [2013-01]
G01T 1/172
. . .
with coincidence circuit arrangements (G01T 1/178 takes precedence {; combination of detectors, see G01T 1/1603, G01T 1/30, G01T 1/361}) [2017-08]
G01T 1/175
. . .
Power supply circuits (power supply circuits per se H02J; converters H02M) [2013-01]
G01T 1/178
. . .
for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain water [2013-01]
G01T 1/18
. .
with counting-tube arrangements, e.g. with Geiger counters (tubes H01J 47/08; {with alarm provision G01T 7/125}) [2013-01]
G01T 1/185
. .
with ionisation chamber arrangements (construction of ionisation chambers H01J 47/02; {gas analysis by ionisation G01N 27/66; measuring pressure G01L 9/00; leak detection G01M 3/00; tele-measurements G08C}) [2013-01]
G01T 1/20
. .
with scintillation detectors [2013-01]
G01T 1/2002
. . .
{Optical details, e.g. refecting or diffusing layers} [2013-01]
G01T 1/2004
. . .
{Scintilloscopes (fluoroscopes G21K 4/00; radiation diagnosis A61B 6/00)} [2013-01]
G01T 1/2006
. . .
{using a combination of a scintillator and photodetector which measures the means radiation intensity} [2013-01]
G01T 1/2008
. . .
{using a combination of different types of scintillation detectors, e.g. phoswich} [2013-01]
WARNING

  • Pending reclassification, for subject-matter regarding phoswich see also G01T 1/20
G01T 1/201
. . .
{using scintillating fibres} [2016-11]
G01T 1/2012
. . .
{using stimulable phosphors, e.g. stimulable phosphor sheets} [2016-11]
G01T 1/2014
. . . .
{Reading out of stimulable sheets, e.g. latent image} [2013-01]
G01T 1/2016
. . . .
{Erasing of stimulable sheets, e.g. with light, heat or the like} [2013-01]
G01T 1/2018
. . .
{Scintillation-photodiode combination} [2013-01]
G01T 1/202
. . .
the detector being a crystal [2013-01]
G01T 1/2023
. . . .
{Selection of materials (see provisionally also G01T 1/202)} [2013-01]
G01T 1/2026
. . . .
{Well-type detectors (see provisionally also G01T 1/202)} [2013-01]
G01T 1/203
. . .
the detector being made of plastics [2013-01]
G01T 1/2033
. . . .
{Selection of materials (see provisionally also G01T 1/203)} [2013-01]
G01T 1/2036
. . . .
{Well-type detectors (see provisionally also G01T 1/203)} [2013-01]
G01T 1/204
. . .
the detector being a liquid [2013-01]
G01T 1/2042
. . . .
{Composition for liquid scintillation systems} [2013-01]
G01T 1/2045
. . . . .
{Liquid scintillation quench systems} [2013-01]
G01T 1/2047
. . . . .
{Sample preparation} [2013-01]
G01T 1/205
. . .
the detector being a gas [2013-01]
G01T 1/208
. . .
Circuits specially adapted for scintillation detectors, e.g. for the photo-multiplier section [2013-01]
G01T 1/22
. .
with Cerenkov detectors [2013-01]
G01T 1/24
. .
with semiconductor detectors (semiconductor devices per se H01L 31/00) [2013-01]
G01T 1/241
. . .
{Electrode arrangements, e.g. continuous or parallel strips or the like (constructional or manufacturing details H01L 31/00)} [2013-01]
G01T 1/242
. . .
{Stacked detectors, e.g. for depth information (constructional or manufacturing details H01L 25/00)} [2013-01]
G01T 1/243
. . .
{Modular detectors, e.g. arrays formed from self contained units (constructional or manufacturing details H01L 25/00)} [2013-01]
G01T 1/244
. . .
{Auxiliary details, e.g. casings, cooling, damping or insulation against damage by, e.g. heat, pressure or the like} [2016-08]
G01T 1/245
. . .
{using memory cells} [2013-01]
G01T 1/246
. . .
{utilizing latent read-out, e.g. charge stored and read-out later} [2013-01]
G01T 1/247
. . .
{Detector read-out circuitry (for processing gain or off-set correction H04N)} [2013-01]
G01T 1/248
. . .
{Silicon photomultipliers [SiPM], e.g. an avalanche photodiode [APD] array on a common Si substrate} [2013-01]
G01T 1/249
. . .
{specially adapted for use in SPECT or PET (SPECT imaging G01T 1/1642; PET imaging G01T 1/2985; detecting hidden objects, e.g. weapons, explosives G01V 5/0008)} [2013-01]
G01T 1/26
. .
with resistance detectors {(photoresistors H01L 31/00)} [2013-01]
G01T 1/28
. .
with secondary-emission detectors (secondary-electron-emitting electrodes in general H01J 1/32 ){optionally combined with scintillation counters (secondary emission tubes H01J 43/00)} [2013-01]
G01T 1/29
.
Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation (scintigraphy G01T 1/164; mass-spectrometers H01J 49/025) [2013-01]
G01T 1/2907
. .
{Angle determination; Directional detectors; Telescopes (prospecting by the use of nuclear radiation, e.g. of natural or induced radioactivity G01V 5/00)} [2013-01]
G01T 1/2914
. .
{Measurement of spatial distribution of radiation} [2013-01]
G01T 1/2921
. . .
{Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras (using scintigraphy G01T 1/1641)} [2013-01]
G01T 1/2928
. . . .
{using solid state detectors} [2013-01]
G01T 1/2935
. . . .
{using ionisation detectors} [2013-01]
G01T 1/2942
. . . .
{using autoradiographic methods} [2013-01]
G01T 1/295
. . . .
{using coded aperture devices, e.g. Fresnel zone plates (handling of radiation of particles, e.g. using diaphragms, collimators, diffraction G21K 1/00)} [2016-08]
G01T 1/2957
. . . .
{using channel multiplier arrays (channel multipliers H01J 43/18; G01T 1/1645 takes precedence)} [2013-01]
G01T 1/2964
. . .
{Scanners (using scintigraphy G01T 1/166)} [2013-01]
G01T 1/2971
. . . .
{using solid state detectors} [2013-01]
G01T 1/2978
. . .
{Hybrid imaging systems, e.g. using a position sensitive detector (camera) to determine the distribution in one direction and using mechanical movement of the detector or the subject in the other direction or using a camera to determine the distribution in two dimensions and using movement of the camera or the subject to increase the field of view (G01T 1/2985 takes precedence)} [2013-01]
G01T 1/2985
. . .
{In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis); (using external radiation sources A61B 6/02)} [2016-08]
G01T 1/2992
. . .
{Radioisotope data or image processing not related to a particular imaging system; Off-line processing of pictures, e.g. rescanners (for measuring radiation intensity G01T 1/1663; digital computing or data processing equipment or methods specially adapted for nuclear physics or nuclear engineering G06F 15/00; general purpose image data processing G06T 1/00; computerized tomography G06T 11/003)} [2015-07]
G01T 1/30
.
Measuring half-life of a radioactive substance {(period meters for nuclear fission reactors G21C 17/14)} [2013-01]
G01T 1/32
.
Measuring polarisation of particles [2013-01]
G01T 1/34
.
Measuring cross-section, e.g. absorption cross-section of particles [2013-01]
G01T 1/36
.
Measuring spectral distribution of X-rays or of nuclear radiation {spectrometry (pulse selection circuits per se H03K; investigation of materials by radiation diffraction G01N 23/20; spectrometer tubes H01J 49/00)} [2013-01]
G01T 1/361
. .
{with a combination of detectors of different types, e.g. anti-Compton spectrometers (intensity measurement with a combination of detectors G01T 1/1603; with coincidence circuit G01T 1/172; se provisionally also G01T 1/36)} [2013-01]
NOTE

G01T 1/362
. .
{with scintillation detectors (see provisionally also G01T 1/36, G01T 1/20)} [2013-01]
G01T 1/363
. .
{with Cerenkov detectors} [2013-01]
G01T 1/365
. .
{with ionisation detectors, e.g. proportional counter (see provisionally also G01T 1/36)} [2016-08]
G01T 1/366
. .
{with semi-conductor detectors (see provisionally also G01T 1/36)} [2013-01]
G01T 1/367
. .
{with resistance detectors (see provisionally also G01T 1/36)} [2013-01]
G01T 1/368
. .
{with secondary-emission detectors (see provisionally G01T 1/36)} [2013-01]
G01T 1/38
. .
Particle discrimination and measurement of relative mass, e.g. by measurement of loss of energy with distance (dE/dx) {(constructional details of semiconductor detectors therefor H01L 31/00)} [2013-01]
G01T 1/40
. .
Stabilisation of spectrometers {(circuits specially adapted for scintillation detectors G01T 1/208)} [2013-01]
G01T 3/00
Measuring neutron radiation (G01T 5/00 takes precedence {; tubes therefor H01J 47/12; circuits with such tubes G01T 1/18; measuring short time intervals G04F 10/00; measuring pulse characteristics G01R 29/02; neutron choppers G21K 1/04; polarimeters G01T 1/32}) [2017-08]
G01T 3/001
.
{Spectrometry} [2013-01]
G01T 3/003
. .
{Recoil spectrometers (light-nuclei recoil ionisation tubes per se H01J 47/1277)} [2013-01]
G01T 3/005
. .
{Time-of-flight spectrometers (see provisionally also G01T 3/00)} [2013-01]
G01T 3/006
.
{using self-powered detectors (for neutrons as well as for Y- or X-rays) , e.g. using Compton-effect (Compton diodes) or photo-emission or a (n,B) nuclear reaction (photovoltaic semiconductors H01L 31/00; photo-tubes H01J 40/00; thermionic generators H01J 45/00; radioisotopic generators G21H 1/00, e.g. G21H 1/02, G21H 1/04)} [2013-01]
G01T 3/008
.
{using an ionisation chamber filled with a gas, liquid or solid, e.g. frozen liquid, dielectric (G01T 3/006 takes precedence)} [2013-01]
G01T 3/02
.
by shielding other radiation [2013-01]
G01T 3/04
.
using calorimetric devices [2013-01]
G01T 3/06
.
with scintillation detectors [2013-01]
G01T 3/065
. .
{Spectrometry} [2013-01]
G01T 3/08
.
with semiconductor detectors (semiconductor detectors per se H01L 31/00) [2013-01]
G01T 3/085
. .
{Spectrometry} [2013-01]
G01T 5/00
Recording of movements or tracks of particles (spark chambers H01J 47/00); Processing or analysis of such tracks [2013-01]
G01T 5/002
.
{using a combination of several movement of track recording devices (detectors associated with recording chambers and only serving to trigger these chambers, see the appropriate groups of the chamber, e.g. G01T 5/04 - G01T 5/08; see provisionally also G01T 5/00 and other sub-groups)} [2016-08]
G01T 5/004
.
{Non-electrical readout of multi-wire or parallel-plate chambers (non-electrical readout in such chambers per se H01J 47/22)} [2013-01]
G01T 5/006
. .
{by optical methods} [2013-01]
G01T 5/008
. .
{by acoustical methods} [2013-01]
G01T 5/02
.
Processing of tracks; Analysis of tracks [2013-01]
G01T 5/04
.
Cloud chambers, e.g. Wilson chamber [2013-01]
G01T 5/06
.
Bubble chambers [2013-01]
G01T 5/08
.
Scintillation chambers (discharge tubes H01J 40/00, H01J 47/00; semiconductor devices H01L) [2013-01]
G01T 5/10
.
Plates or blocks in which tracks of nuclear particles are made visible by after-treatment, e.g. using photographic emulsion, using mica [2017-08]
G01T 5/12
.
Circuit arrangements with multi-wire or parallel-plate chambers, e.g. spark chambers (tubes per se H01J 47/00) [2013-01]
G01T 5/122
. .
{for readout of each individual wires; (readout in such chambers per se H01J 47/16); for processing the output signals} [2013-01]
G01T 5/125
. . .
{by using delay lines} [2013-01]
G01T 5/127
. . . .
{by using magnetostrictive delay lines} [2013-01]
G01T 7/00
Details of radiation-measuring instruments [2013-01]
G01T 7/005
.
{calibration techniques (stabilization of spectrometer G01T 1/40)} [2013-01]
G01T 7/02
.
Collecting means for receiving or storing samples to be investigated {and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids (sampling, preparing specimens for investigation in general G01N 1/00, G01N 1/02; shielded cells or rooms structurally combined with manipulatin devices G21F; measuring of chromatographically separated samples G01N 30/00 - G01N 30/96)} [2016-05]
G01T 7/04
. .
by filtration [2013-01]
G01T 7/06
. .
by electrostatic precipitation (G01T 7/04 takes precedence) [2013-01]
G01T 7/08
.
Means for conveying samples received {(, i.e. sample changers G01N 35/00)} [2016-08]
G01T 7/10
. .
using turntables [2013-01]
G01T 7/12
.
Provision for actuation of an alarm [2013-01]
G01T 7/125
. .
{Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors (measuring radiation intensity with counting tubes G01T 1/18; measuring radiation intensity with ionisation chambers G01T 1/185; fire alarms actuated by presence of radiation of particles, e.g. of infra-red radiation, of ions G08B 17/11; flame monitoring in combustion devices F23Q 7/00, F23N; discharge tubes per se H01J 47/00)} [2013-01]