ELS100型:(电子损失谱专用) ¨ Low Energy Electron Gun designed for Electron Loss Spectroscopy(ELS) ¨ Beam Energy variable 5 to 100eV ¨ Low Energy Spread ~ 0.25eV FWHM using LaB6 or BaO filament ¨ 1mm typical spot size ¨ Beam current monitor with sample biasing voltage ¨ Mu-metal magnetic screen. ¨ Front Panel Control of Kinetic Energy, Filament Current, Wehnelt (Grid), Anode, Focus and Beam Deflection ¨ External Kinetic Energy sweep (e.g. by Computer Control) ¨ X-Y static deflectors for beam positioning on sample ¨ Mounting flange : 70mm (2.75”) OD CF ¨ Manufactured to suit your chamber sample – flange distance ¨ Bakeable UHV compatible construction with single multiway electrical feedthrough
ELS5000型:(俄歇电子能谱专用) ¨ Ideal for Static Auger Electron Spectroscopy AES ¨ Beam Energy variable 0 to 5000eV ¨ Beam current range 10nA to 30mA ¨ Beam current monitor with sample biasing voltage ¨ Typical spot size < 50mm with 1mA beam current (measured at 2keV beam energy with a typical working distance of 50mm) ¨ Working distance 15 to 500mm ¨ X-Y static deflectors for beam positioning on sample ¨ Mounting flange : 70mm (2.75”) OD CF ¨ Suitable for ports with sample - flange distance up to 750mm ¨ Bakeable UHV compatible construction ¨ Single multiway feedthrough with locking connector