Electric lamp and discharge devices
Electrode and shield structures
Cathodes containing and/or coated with electron emissive...
Inventor
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Cathode structure for cathode ray tube
Cathode structure including barrier for preventing metal...
Electron gun having short length and cathode-ray tube...
High-yield cathode body, cathode sleeve structure, and...
Long-life electron tube device, electron tube cathode, and...
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Profile ID: LFUS-PAI-P-2550309