DIFF Subgroup
H01J 27/22 Metal ion sources
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Ion beam tubes > Ion sources; Ion guns > using particle bombardment, e.g. ionisers > Metal ion sources
CPC:
Ion beam tubes (H01J25/00, H01J33/00, H01J37/00 take precedence; particle accelerators H05H) > Ion sources; Ion guns > using particle bombardment, e.g. ionisers > Metal ion sources
No child classifications to compare. This is a leaf node in both IPC and CPC.