4. Stock material or miscellaneous articles
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Shigehiko Yamamoto

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Cathode for an electron source and a method of producing the sam

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
Patent

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Directly heated cathode for electron tube

Electric lamp and discharge devices – Electrode and shield structures – Filament or resistance heated electrodes
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Electron tube cathode

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
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Electron tube cathode and method for producing the same

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
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Field emission cathode and method of fabricating the same

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
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Profile ID: LFUS-PAI-P-491063

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