CPC Subgroup Additional Only
H01J 2237/152 Magnetic means
Full Title
Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging > Means for deflecting or directing discharge > Magnetic means
2 direct subcodes
Child Classifications
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- H01J 2237/1523 Prisms
- H01J 2237/1526 For X-Y scanning