Creating multiple electron beams with a photocathode film

Creating multiple electron beams with a photocathode film

An electron-beam device includes a laser and a photocathode film. The photocathode film has a front side and a back side and emits a plurality of electron beamlets when illuminated from the back side using the laser. The electron-beam device also includes electrodes to extract the plurality of elect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: STEIGERWALD, MICHAEL, JIANG, YOU-FEI, JIANG, XINRONG, NYFFENEGGER, RALPH
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:An electron-beam device includes a laser and a photocathode film. The photocathode film has a front side and a back side and emits a plurality of electron beamlets when illuminated from the back side using the laser. The electron-beam device also includes electrodes to extract the plurality of electron beamlets from the front side of the photocathode film and to control shapes of the plurality of electron beamlets.