MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G 01 N; counters per seG 06 M, H 03 K
; electric discharge tubes for analysing radiation or particles H 01 J 40/00, H 01 J 47/00, H 01 J 49/00)
Notes
(1)
This subclass covers the measurement of X-radiation, gamma radiation, corpuscular radiation, cosmic radiation, or neutron radiation.
(2)
Attention is drawn to the Notes following the title of class G 01.
1
/
00
Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation (G 01 T 3/00, G 01 T 5/00 take precedence) [2]
1
/
02
•
Dosimeters (G 01 T 1/15 takes precedence; measuring exposure time to X-rays H 05 G 1/28) [2]
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]
1
/
18
•
•
with counting-tube arrangements, e.g. with Geiger counters (tubes H 01 J 47/00
)
1
/
185
•
•
with ionisation-chamber arrangements (construction of ionisation chambers H 01 J 47/02) [2]
1
/
20
•
•
with scintillation detectors
1
/
202
•
•
•
the detector being a crystal
1
/
203
•
•
•
the detector being made of plastics
1
/
204
•
•
•
the detector being a liquid
1
/
205
•
•
•
the detector being a gas
1
/
208
•
•
•
Circuits specially adapted for scintillation detectors, e.g. for the photo-multiplier section [2]
1
/
22
•
•
with Cerenkov detectors
1
/
24
•
•
with semiconductor detectors (semiconductor detectors per seH 01 L 31/00)
1
/
26
•
•
with resistance detectors
1
/
28
•
•
with secondary-emission detectors (secondary-electron-emitting electrodes in general H 01 J 1/32)
1
/
29
•
Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation (scintigraphy G 01 T 1/164; mass-spectrometers H 01 J 49/00) [2]
1
/
30
•
Measuring half-life of a radioactive substance
1
/
32
•
Measuring polarisation of particles
1
/
34
•
Measuring cross-section, e.g. absorption cross-section of particles
1
/
36
•
Measuring spectral distribution of X-rays or of nuclear radiation
1
/
38
•
•
Particle discrimination and measurement of relative mass, e.g. by measurement of loss of energy with distance (dE/dx) [2]
1
/
40
•
•
Stabilisation of spectrometers [2]
3
/
00
Measuring neutron radiation (G 01 T 5/00 takes precedence) [2]
3
/
02
•
by shielding other radiation
3
/
04
•
using calorimetric devices
3
/
06
•
with scintillation detectors [2]
3
/
08
•
with semiconductor detectors (semiconductor detectors per seH 01 L 31/00) [2]
5
/
00
Recording of movements or tracks of particles (spark chambers H 01 J 47/00); Processing or analysis of such tracks [2]
