DIFF Subgroup
H01J 3/14 Arrangements for focusing or reflecting ray or beam (H01J3/02, H01J3/04 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Arrangements for focusing or reflecting ray or beam
CPC: Arrangements for focusing or reflecting ray or beam (H01J3/02, H01J3/04 take precedence)
Full Title
Full titles differ between systems:
IPC:
Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps > Arrangements for focusing or reflecting ray or beam
CPC:
Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps > Arrangements for focusing or reflecting ray or beam (H01J3/02, H01J3/04 take precedence)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
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