IPC Main Group
H01J 47/00 Tubes for determining the presence, intensity, density or energy of radiation or particles
Introduced: January 1980
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Related Keywords
discharge tubes sensitive to RADIATIONdischarge tubes sensitive to RADIOACTIVITY
6 direct subcodes
Child Classifications
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- H01J 47/02 Ionisation chambers
- H01J 47/06 Proportional counter tubes
- H01J 47/08 Geiger-Müller counter tubes
- H01J 47/1 Spark counters
- H01J 47/12 Neutron detector tubes, e.g. BF tubes
- H01J 47/14 Parallel electrode spark or streamer chambers; Wire spark or streamer chambers