| IPC 7 English version |
| G01T-G01T00712 |
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| SECTION G – PHYSICS |
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| G 01 | MEASURING (counting G06M); TESTING |
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| G 01 T | 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) |
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| Notes |
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| (1) | This subclass covers the measurement of X-radiation, gamma radiation, corpuscular radiation, cosmic radiation, or neutron radiation. |
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| (2) | Attention is drawn to the Notes following the title of class G01. |
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1/ | 00 | Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation (G01T 3/00, G01T 5/00 take precedence) [2] |
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1/ | 02 | . | Dosimeters (G01T 1/15 takes precedence; measuring exposure time to X-rays H05G 1/28) [2] |
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1/ | 04 | . | . | Chemical dosimeters (G01T 1/06, G01T 1/08 take precedence) |
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1/ | 06 | . | . | Glass dosimeters |
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1/ | 08 | . | . | Photographic dosimeters (photosensitive materials or processes for photographic purposes G03C) |
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1/ | 10 | . | . | Luminescent dosimeters |
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1/ | 105 | . | . | . | Read-out devices (G01T 1/115 takes precedence) [2] |
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1/ | 11 | . | . | . | Thermo-luminescent dosimeters |
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1/ | 115 | . | . | . | . | Read-out devices [2] |
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1/ | 12 | . | . | Calorimetric dosimeters |
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1/ | 14 | . | . | Electrostatic dosimeters (construction of ionisation chambers H01J 47/02) |
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1/ | 142 | . | . | . | Charging devices; Read-out devices [2] |
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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) |
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1/ | 16 | . | Measuring radiation intensity (G01T 1/29 takes precedence) [2] |
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1/ | 161 | . | . | Applications in the field of nuclear medicine, e.g. in vivo counting (applying radioactive material to the body A61M 36/00) [2] |
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1/ | 163 | . | . | . | Whole-body counters [2] |
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1/ | 164 | . | . | . | Scintigraphy (radio isotopes G21G 4/00; tracers G21H 5/00) [2] |
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1/ | 166 | . | . | . | . | involving relative movement between detector and subject [2] |
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1/ | 167 | . | . | Measuring radioactive content of objects, e.g. contamination (whole-body counters G01T 1/163) [2] |
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1/ | 169 | . | . | Exploration, location of contaminated surface areas (prospecting by the use of nuclear radiation, natural or induced G01V 5/00) [2] |
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1/ | 17 | . | . | Circuit arrangements not adapted to a particular type of detector |
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1/ | 172 | . | . | . | with coincidence circuit arrangements (G01T 1/178 takes precedence) [2] |
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1/ | 175 | . | . | . | Power supply circuits (converters H02M) [2] |
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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 [2] |
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1/ | 18 | . | . | with counting-tube arrangements, e.g. with Geiger counters (tubes H01J 47/00) |
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1/ | 185 | . | . | with ionisation-chamber arrangements (construction of ionisation chambers H01J 47/02) [2] |
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1/ | 20 | . | . | with scintillation detectors |
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1/ | 202 | . | . | . | the detector being a crystal |
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1/ | 203 | . | . | . | the detector being made of plastics |
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1/ | 204 | . | . | . | the detector being a liquid |
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1/ | 205 | . | . | . | the detector being a gas |
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1/ | 208 | . | . | . | Circuits specially adapted for scintillation detectors, e.g. for the photo-multiplier section [2] |
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1/ | 22 | . | . | with Cerenkov detectors |
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1/ | 24 | . | . | with semiconductor detectors (semiconductor detectors per se H01L 31/00) |
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1/ | 26 | . | . | with resistance detectors |
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1/ | 28 | . | . | with secondary-emission detectors (secondary-electron-emitting electrodes in general H01J 1/32) |
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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) [2] |
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1/ | 30 | . | Measuring half-life of a radioactive substance |
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1/ | 32 | . | Measuring polarisation of particles |
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1/ | 34 | . | Measuring cross-section, e.g. absorption cross-section of particles |
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1/ | 36 | . | Measuring spectral distribution of X-rays or of nuclear radiation |
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1/ | 38 | . | . | Particle discrimination and measurement of relative mass, e.g. by measurement of loss of energy with distance (dE/dx) [2] |
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1/ | 40 | . | . | Stabilisation of spectrometers [2] |
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3/ | 00 | Measuring neutron radiation (G01T 5/00 takes precedence) [2] |
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3/ | 02 | . | by shielding other radiation |
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3/ | 04 | . | using calorimetric devices |
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3/ | 06 | . | with scintillation detectors [2] |
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3/ | 08 | . | with semiconductor detectors (semiconductor detectors per se H01L 31/00) [2] |
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5/ | 00 | Recording of movements or tracks of particles (spark chambers H01J 47/00); Processing or analysis of such tracks [2] |
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5/ | 02 | . | Processing of tracks; Analysis of tracks |
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5/ | 04 | . | Cloud chambers, e.g. Wilson chamber |
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5/ | 06 | . | Bubble chambers |
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5/ | 08 | . | Scintillation chambers (discharge tubes H01J 40/00, H01J 47/00; semiconductor devices H01L) |
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5/ | 10 | . | Plates or blocks in which tracks of nuclear particles are made visible by after-treatment, e.g. using photographic emulsion, using mica |
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5/ | 12 | . | Circuit arrangements with multi-wire or parallel-plate chambers, e.g. spark chambers (tubes per se H01J 47/00) [2] |
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7/ | 00 | Details of radiation-measuring instruments |
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7/ | 02 | . | Collecting-means for receiving or storing samples to be investigated |
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7/ | 04 | . | . | by filtration |
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7/ | 06 | . | . | by electrostatic precipitation (G01T 7/04 takes precedence) |
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7/ | 08 | . | Means for conveying samples received |
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7/ | 10 | . | . | using turntables |
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7/ | 12 | . | Provision for actuation of an alarm |
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