CPC Subgroup
H01J 27/20 using particle bombardment, e.g. ionisers
Full Title
Ion beam tubes (H01J25/00, H01J33/00, H01J37/00 take precedence; particle accelerators H05H) > Ion sources; Ion guns > using particle bombardment, e.g. ionisers
2 direct subcodes
Child Classifications
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- H01J 27/22 Metal ion sources