IPC Subgroup
H01J 27/1 Duoplasmatrons
Introduced: January 1980
Last revised: January 2006
Full Title
Ion beam tubes > Ion sources; Ion guns > using arc discharge > Duoplasmatrons
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
1 direct subcode
Child Classifications
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- H01J 27/12 provided with an expansion cup