Replaceable apertures for the Wehnelt cylinder can be supplied to fit some microscopes.
A hole size smaller than normal gives improved characteristics for most electron guns.
Used in Philips/FEI, Leitz and Amray. Aperture diameter 10mm.
| Art. | Description | Unit | Price | Quantity | |
|---|---|---|---|---|---|
| A0111T | Tantalum Aperture for Wehnelt – 200µm Hole |
Each | € 225,20 | ||
| A0113T | Tantalum Aperture for Wehnelt – 300µm Hole |
Each | € 276,90 | ||
| A0115T | Tantalum Aperture for Wehnelt – 500µm Hole |
Each | € 262,30 | ||
| A0117T | Tantalum Aperture for Wehnelt – 750µm Hole |
Each | € 304,20 |