Compact, easy-to-use extractor-type ion source with a beam-focusing function. It is mainly used for sample surface cleaning, but the focus feature enables more possibilities. For example: it allows to cover different sample areas at the same sample distance or to use source even when it's impossible to get the source closer to the sample. The source generates an ion current of >200 μA/cm2 (Argon) with a Gaussian beam profile. The ion gun insertion length is adaptable to individual requirements (between 143 mm - 386 mm, other on request).
| Mounting flange | DN 40CF (non-rotatable) |
| Energy range | 0.12 keV – 5 keV |
| Current density | > 200 μA/cm2 (for distance 30 mm) |
| Shield | Cu, stainless steel (for reactive gases) |
| Cathode type | yttrium oxide coated iridium filament |
| Insertion length | min. 143 mm, other on request OD: max. 37 mm |
| FWHM | dependent on ion energy and working distance (e.g. 1.4 mm for distance 60 mm, 3 mm for distance 150 mm) |
| Typical working distance | 30 – 250 mm |
| Bakeout temperature | up to 250°C |
| Working pressure | 10-5 – 10-6 mbar |