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Back-gated field emission electron source

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Reexamination Certificate

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Barium-aluminum-scandate dispenser cathode

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent

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Beam generating system for electron beam measuring instruments h

Electric lamp and discharge devices – Electrode and shield structures – Point source cathodes
Patent

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Beam splitter for electron beam machines

Electric lamp and discharge devices – Electrode and shield structures – Foraminous electrodes or shields
Patent

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Bialkaline photocathode having increased spectral sensitivity an

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent

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Bonded grid-cathode electrode structure

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
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