DIFF Subgroup
H01J 23/06 Electron or ion guns
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of transit-time tubes of the types covered by group > Electrodes; Magnetic control means; Screens > Electron or ion guns
CPC:
Details of transit-time tubes of the types covered by group H01J25/00 > Electrodes; Magnetic control means; Screens (associated with resonator or delay system H01J23/16) > Electron or ion guns
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- H01J 23/065 producing a solid cylindrical beam (H01J23/075 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
- H01J 23/07 producing a hollow cylindrical beam (H01J23/075 takes precedence) since 1980 IPC+CPC Available in IPC and CPC