DIFF Subgroup
H01J 1/88 Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
CPC:
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps (details of electron-optical or ion-optical arrangements H01J3/00) > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
Child Classifications
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- H01J 1/90 Insulation between electrodes or supports within the vacuum space IPC+CPC Available in IPC and CPC