The Wien Mass Filter is used in combination with the Ion Source IS 40 E for dynamic SIMS/SNMS analysis and Ion Scattering Spectroscopy (ISS) applications.

Wien Mass Filter for Ion Source IS 40 E

The Wien Mass Filter is used for producing a pure ion beam, free from neutral particles.

It eliminates:

• Ions of unwanted isotopes
• Ions of impurities
• Multiple charged ions
• Neutral particles

The Wien Filter consists of a permanent magnet and a pair of electrostatic deflector plates arranged perpendicular to each other.

• High dispersion yet small overall dimensions
  
• Additional port for differantial pumping
  
• Stigmatic correction and beam adjustment included as standard
• Beam blanking
• Can be retrofitted on site to existing Ion Sources IS 40 E
• Bakeable to 250°C
• Mounting Flange: 2.75" OD (DN38CF)
• Mass range: greater than 12.5 amu (5 keV), or 2.5 amu (1 keV)
• Mass resolution: better than 20 at 5 keV
  

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