DIFF Subgroup Additional Only
H01J 2237/1506 Tilting or rocking beam around an axis substantially at an angle to optical axis
Full Title
Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging > Means for deflecting or directing discharge > Tilting or rocking beam around an axis substantially at an angle to optical axis
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.