WebCPC 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)

  NOTE - 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)

G01T 1/003 ・{Scintillation (flow) cells}

G01T 1/006 ・{Total absorption calorimeters; Shower detectors}

G01T 1/02 ・Dosimeters (G01T 1/15 takes precedence, measuring exposure time to X-rays H05G 1/28)

G01T 1/023 ・・{Scintillation dose-rate meters}

G01T 1/026 ・・{Semiconductor dose-rate meters}

G01T 1/04 ・・Chemical dosimeters (G01T 1/06, G01T 1/08 take precedence)

G01T 1/06 ・・Glass dosimeters {using colour change; including plastic dosimeters}

G01T 1/08 ・・Photographic dosimeters (sensitive materials, processing thereof G03C; {photometry G01J 1/52})

G01T 1/10 ・・Luminescent dosimeters

G01T 1/105 ・・・Read-out devices (G01T 1/115 takes precedence)

G01T 1/11 ・・・Thermo-luminescent dosimeters {(thermo-luminescent compositions C09K 11/00)}

G01T 1/115 ・・・・Read-out devices

G01T 1/12 ・・Calorimetric dosimeters

G01T 1/14 ・・Electrostatic dosimeters (construction of ionisation chambers H01J 47/02; {electrometers G01R 5/28})

G01T 1/142 ・・・Charging devices; Read-out devices

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)

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})

G01T 1/1603 ・・{with a combination of at least two different types of detector (see provisionally also G01T 1/16)}

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)}

G01T 1/161 ・・Application in the field of nuclear medicine, e.g. in vivo counting {(apparatus for radiation diagnosis A61B 6/00)}

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 5/00D)}

G01T 1/1612 ・・・・{with scintillation detectors (G01T 1/20 takes precedence)}

G01T 1/1614 ・・・・{with semiconductor detectors (G01T 1/24 takes precedence)}

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 5/00D)}

G01T 1/1617 ・・・・{with scintillation detectors (G01T 1/20 takes precedence)}

G01T 1/1618 ・・・・{with semiconductor detectors (G01T 1/24 takes precedence)}

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}

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)}

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})

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}

G01T 1/1642 ・・・・・{using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras}

G01T 1/1644 ・・・・・{using an array of optically separate scintillation elements permitting direct location of scintillations (G01T 1/1645 takes precedence)}

G01T 1/1645 ・・・・・{using electron optical imaging means, e.g. image intensifier tubes, coordinate photomultiplier tubes, image converter}

G01T 1/1647 ・・・・・{Processing of scintigraphic data (not related to a particular imaging system G01T 1/2992; special purpose computers for nuclear physics G06F 15/52)}

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)}

G01T 1/166 ・・・・involving relative movement between detector and subject ({scanners in general without using scintigraphy G01T 1/2964})

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; digital computing or data processing equipment or methods specially adapted for nuclear physics or nuclear engineering G06F 15/52, e.g. for image data processing G06F 15/52D; general purpose image data processing G06T 1/00; computerized tomography G06T 11/003); Ancillary equipment (colour printers G01T 1/1666)}

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)}

G01T 1/167 ・・Measuring radioactive content of objects, e.g. contamination (whole body counters G01T 1/163)

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)}

G01T 1/17 ・・Circuit arrangements not adapted to a particular type of detector {(pulse-selection circuits H03K, G01R)}

G01T 1/171 ・・・{Compensation of dead-time counting losses (see provisionally also 1/17)}

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, G01T 1/36D2, G01T 1/36D3})

G01T 1/175 ・・・Power supply circuits (power supply circuits per se H02J; converters H02M)

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

G01T 1/18 ・・with counting-tube arrangements, e.g. with Geiger counters(tubesH01J 47/08;{with alarm provisionG01T 7/125})

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})

G01T 1/20 ・・with scintillation detectors

G01T 1/2002 ・・・{Optical details, e.g. refecting or diffusing layers}

G01T 1/2004 ・・・{Scintilloscopes (fluoroscopes G21K 4/00; radiation diagnosis A61B 6/00)}

G01T 1/2006 ・・・{using a combination of a scintillator and photodetector which measures the means radiation intensity}

G01T 1/2008 ・・・{using a combination of different types of scintillation detectors, e.g. phoswich}

  WARNING - G01T 1/20

G01T 1/201 ・・・[N : using scintillating fibres]

  WARNING - G01T 1/2992

G01T 1/2012 ・・・[N : using stimulable phosphors, e.g. stimulable phosphor sheets]

  WARNING - G01T 1/2992

G01T 1/2014 ・・・・{Reading out of stimulable sheets, e.g. latent image}

G01T 1/2016 ・・・・[N : Erasing of stimulable sheets, e.g. with light, heat or the like]

G01T 1/2018 ・・・{Scintillation-photodiode combination}

G01T 1/202 ・・・the detector being a crystal

G01T 1/2023 ・・・・{Selection of materials (see provisionally also G01T 1/202)}

G01T 1/2026 ・・・・{Well-type detectors (see provisionally also G01T 1/202)}

G01T 1/203 ・・・the detector being made of plastics

G01T 1/2033 ・・・・{Selection of materials (see provisionally also G01T 1/203)}

G01T 1/2036 ・・・・{Well-type detectors (see provisionally also G01T 1/203)}

G01T 1/204 ・・・the detector being a liquid

G01T 1/2042 ・・・・{Composition for liquid scintillation systems}

G01T 1/2045 ・・・・・{Liquid scintillation quench systems}

G01T 1/2047 ・・・・・{Sample preparation}

G01T 1/205 ・・・the detector being a gas

G01T 1/208 ・・・Circuits specially adapted for scintillation detectors, e.g. for the photo-multiplier section

G01T 1/22 ・・with Cerenkov detectors

G01T 1/24 ・・with semiconductor detectors (semiconductor devices per se H01L 31/00)

G01T 1/241 ・・・{Electrode arrangements, e.g. continuous or parallel strips or the like (constructional or manufacturing details H01L 31/00)}

G01T 1/242 ・・・[N : Stacked detectors, e.g. for depth information (constructional or manufacturing details H01L 25/00)]

G01T 1/243 ・・・{Modular detectors, e.g. arrays formed from self contained units (constructional or manufacturing details H01L 25/00)}

G01T 1/244 ・・・{Auxiliary details, e.g. casings, cooling, damping or insulation against damage by e.g. heat, pressure or the like}

G01T 1/245 ・・・{using memory cells}

G01T 1/246 ・・・{utilizing latent read-out, e.g. charge stored and read-out later}

G01T 1/247 ・・・{Detector read-out circuitry (for processing gain or off-set correction H04N)}

G01T 1/248 ・・・{Silicon photomultipliers [SiPM], e.g. an avalanche photodiode [APD] array on a common Si substrate}

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 5/00D)}

G01T 1/26 ・・with resistance detectors {(photoresistors H01L 31/00)}

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)}

G01T 1/29 ・Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation(scintigraphyG01T 1/164; mass-spectrometersH01J 49/025)

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)}

G01T 1/2914 ・・{Measurement of spatial distribution of radiation}

G01T 1/2921 ・・・{Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras (using scintigraphy G01T 1/1641)}

G01T 1/2928 ・・・・{using solid state detectors}

G01T 1/2935 ・・・・{using ionisation detectors}

G01T 1/2942 ・・・・{using autoradiographic methods}

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)}

G01T 1/2957 ・・・・{using channel multiplier arrays (channel multipliers H01J 43/18; G01T 1/1645 takes precedence)}

G01T 1/2964 ・・・{Scanners (using scintigraphy G01T 1/166)}

G01T 1/2971 ・・・・{using solid state detectors}

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)}

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)}

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 15/52, e.g. for image data processing G06F 15/52D; general purpose image data processing G06T 1/00; computerized tomography G06T 11/003)}

G01T 1/30 ・Measuring half-life of a radioactive substance {(period meters for nuclear fission reactors G21C 17/14)}

G01T 1/32 ・Measuring polarisation of particles

G01T 1/34 ・Measuring cross-section, e.g. absorption cross-section of particles

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)}

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)}

  NOTE - G01T 1/361 takes precedence over G01T 1/362

G01T 1/362 ・・{with scintillation detectors (see provisionally also G01T 1/36, G01T 1/20)}

G01T 1/363 ・・{with Cerenkov detectors}

G01T 1/365 ・・{with ionisation detectors e.g. proportional counter (see provisionally also G01T 1/36)}

G01T 1/366 ・・{with semi-conductor detectors (see provisionally also G01T 1/36)}

G01T 1/367 ・・{with resistance detectors (see provisionally also G01T 1/36)}

G01T 1/368 ・・{with secondary-emission detectors (see provisionally G01T 1/36)}

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)}

G01T 1/40 ・・Stabilisation of spectrometers {(circuits specially adapted for scintillation detectors G01T 1/208)}

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})

G01T 3/001 ・{Spectrometry (see provisionally also G01T 1/36 to G01T 1/368 -except G01T 1/36D3-   , G01T 3/00; other sub-groups of G01T 3/00 take precedence)}

G01T 3/003 ・・{Recoil spectrometers (light-nuclei recoil ionisation tubes per se H01J 47/1277)}

G01T 3/005 ・・{Time-of-flight spectrometers (see provisionally also G01T 3/00)}

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)}

G01T 3/008 ・{using an ionisation chamber filled with a gas, liquid or solid, e.g. frozen liquid, dielectric (G01T 3/006 takes precedence)}

G01T 3/02 ・by shielding other radiation

G01T 3/04 ・using calorimetric devices

G01T 3/06 ・with scintillation detectors

G01T 3/065 ・・{Spectrometry}

G01T 3/08 ・with semiconductor detectors (semiconductor detectors per se H01L 31/00)

G01T 3/085 ・・{Spectrometry}

G01T 5/00 Recording of movements or tracks of particles (spark chambers H01J 47/00); Processing or analysis of such tracks

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)}

G01T 5/004 ・{Non-electrical readout of multi-wire or parallel-plate chambers (non-electrical readout in such chambers per se H01J 47/22)}

G01T 5/006 ・・{by optical methods}

G01T 5/008 ・・{by acoustical methods}

G01T 5/02 ・Processing of tracks; Analysis of tracks {(special purpose computers for nuclear physics G06F 15/52)}

G01T 5/04 ・Cloud chambers, e.g. Wilson chamber

G01T 5/06 ・Bubble chambers

G01T 5/08 ・Scintillation chambers (discharge tubes H01J 40/00, H01J 47/00; semiconductor devices H01L)

G01T 5/10 ・Plates or blocks in which tracks or nuclear particles are made visible by after-treatment, e.g. using photographic emulsion, using mica

G01T 5/12 ・Circuit arrangements with multi-wire or parallel-plate chambers, e.g. spark chambers (tubes per se H01J 47/00)

G01T 5/122 ・・{for readout of each individual wires; (readout in such chambers per se H01J 47/16); for processing the output signals}

G01T 5/125 ・・・{by using delay lines}

G01T 5/127 ・・・・{by using magnetostrictive delay lines}

G01T 7/00 Details of radiation-measuring instruments

G01T 7/005 ・{calibration techniques (stabilization of spectrometer G01T 1/40)}

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 to G01N 30/96)}

G01T 7/04 ・・by filtration

G01T 7/06 ・・by electrostatic precipitation (G01T 7/04 takes precedence)

G01T 7/08 ・Means for conveying samples received {(i.e. sample changers G01N 35/00)}

G01T 7/10 ・・using turntables

G01T 7/12 ・Provision for actuation of an alarm

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 7/12; flame monitoring in combustion devices F23Q 7/00, F23N; discharge tubes per se H01J 47/00)}
--- Edited by Muguruma Professional Engineer Office(C), 2013 ---