CPC Subgroup Additional Only
H01J 2329/4613 characterised by the form or structure
Full Title
Electron emission display panels, e.g. field emission display panels > Arrangements of electrodes and associated parts for generating or controlling the electron beams > Control electrodes > Gate electrodes > characterised by the form or structure
3 direct subcodes
Child Classifications
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- H01J 2329/4617 Shapes or dimensions of gate openings
- H01J 2329/4621 Arrangement of gate openings
- H01J 2329/4626 Curved or extending upwardly