CPC Subgroup Additional Only
H01J 2229/0727 Aperture plate
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Shadow masks > Aperture plate
6 direct subcodes
Child Classifications
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- H01J 2229/0733 characterised by the material
- H01J 2229/0738 Mitigating undesirable mechanical effects
- H01J 2229/075 Beam passing apertures, e.g. geometrical arrangements
- H01J 2229/0766 Details of skirt or border
- H01J 2229/0777 Coatings
- H01J 2229/0788 Parameterised dimensions of aperture plate, e.g. relationships, polynomial expressions