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Engineering Web Search: Wehnelt Cylinder

Field Emitter Array Electron Gun for Traveling Wave Tubes
The designed FEA electron gun, Fig. 1 shows its photo, includes cathode, Wehnelt electrode, focusing electrode and anode.

Investigations on Gas-Filled Cathode Ray Tubes

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1. Filament: negative accelerating potential 2. Surrounding...
2. Biased gun e- drawn from relatively small e- cloud in aperture of Wehnelt Smaller cross over diameter Small, bright e- beam 3. Variable

Influence of Ions Bombardment on the Beryllium Film Formation...
vacuum arc (TVA) method [1. A cathode filament surrounded by a Wehnelt cylinder, heated by an external low voltage-high current defines the TVA gun

dict.cc | Zylinder | Wörterbuch Englisch-Deutsch
Wehnelt cylinder Wehnelt-Zylinder {m} watches cylinder plugs cylinder 202 Zylinder {m} engin. ind.

Electron gun: Facts, Discussion Forum, and Encyclopedia...
Wehnelt cylinder A Wehnelt cylinder is an Wehnelt cylinder A Wehnelt cylinder is an

Wehnelt Apertures
Wehnelt Apertures Replaceable apertures for the Wehnelt cylinder can be supplied to fit some microscopes.

Electron beam apparatus comprising an anode which is included...
Electron beam apparatus comprising an anode which is included in the cathode/Wehnelt cylinder unit

Surface Analysis and Computer Technology Optics and Power...

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