PREVAC | Technology for science and industry 13.11.2026 01:44
Flood source FS 40A1
Low cost electron flood source for charge neutralisation of insulators or semiconductors in XPS/AES and SIMS applications. The flood source operates over two energy ranges, is fully software controlled and can also be supplied with custom insertion lengths (145 - 421 mm, other on request) and shielding materials, e.g. mu-metal, copper.
Technical data
| Mounting flange | DN 40CF (non-rotatable) |
| Energy range | 0.01 – 1000 eV |
| Sample current | up to 100 μA |
| Cathode type | thoriated tungsten |
| Shield | Cu (for μ-metal chambers) or μ-metal (for stainless steel chambers) |
| Insertion length | min. 145 mm (others on request), OD: 33.6 mm (μ-metal), 35 mm (Cu) |
| FWHM | depending on working distance (e.g. 10 mm for distance 30 mm) |
| Typical working distance | 20-100 mm |
| Bakeout temperature | up to 250°C |
| Working pressure | < 5 × 10-6 mbar |
Features
- High electrom beam current
- Selectable energy ranges
- Stabilised emission
- Beam profile control
Options
- Linear shift
- Customised insertion length
- Source shielding material (μ-metal or copper)