IPC Subgroup
H01J 27/02 Ion sources; Ion guns
Introduced: January 1980
Last revised: January 2006
Full Title
Ion beam tubes > Ion sources; Ion guns
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
6 direct subcodes
Child Classifications
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- H01J 27/04 using reflex discharge, e.g. Penning ion sources
- H01J 27/08 using arc discharge
- H01J 27/16 using high-frequency excitation, e.g. microwave excitation
- H01J 27/2 using particle bombardment, e.g. ionisers
- H01J 27/24 using photo-ionisation, e.g. using laser beam
- H01J 27/26 using surface ionisation, e.g. field effect ion sources, thermionic ion sources