Flood Source FS 40A1

Technical data
Mounting flange | DN 40CF (non-rotatable) |
Energy range | 0.01 - 500 eV |
Sample current | up to 100 μA |
Cathode type | thoriated tungsten |
Shield | Cu or μ-metal |
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 |
Low cost electron flood gun 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.
Features
- High electron beam current
- Selectable energy ranges
- Stabilised emission
- Beam profile control
Options
- Linear shift
- Customised insertion length
- Source shielding material (μ-metal or copper)