CPC Subgroup Additional Only
H01J 2329/4669 Insulation layers
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 > Insulation layers
4 direct subcodes
Child Classifications
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- H01J 2329/4673 for gate electrodes
- H01J 2329/4678 for focusing electrodes
- H01J 2329/4682 characterised by the shape
- H01J 2329/4691 characterised by the material