Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence)

16 direct subcodes

Child Classifications

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H01J 2229/0007 Elimination of unwanted or stray electromagnetic effects
H01J 2229/0061 Cooling arrangements
H01J 2229/07 Shadow masks
H01J 2229/18 Phosphor screens
H01J 2229/48 Electron guns
H01J 2229/56 Correction of beam optics
H01J 2229/58 Electron beam control inside the vessel
H01J 2229/70 Electron beam control outside the vessel
H01J 2229/86 Vessels and containers
H01J 2229/863 Passive shielding means associated with the vessel
H01J 2229/87 Means for avoiding vessel implosion
H01J 2229/88 Coatings
H01J 2229/89 Optical components associated with the vessel
H01J 2229/92 Means providing or assisting electrical connection with or within the tube
H01J 2229/94 Means for obtaining or maintaining the desired pressure within the tube
H01J 2229/96 Circuit elements other than coils, reactors or the like, associated with the tube