TFS Helios 5CX
The TFS Helios 5CX system is a Ga-LMIS FIB that enables the preparation of cross sections, TEM-lamella, and APT samples. The availability of a cryo stage and a cryo-EasyLift manipulator allows a full cryo workflow for sample preparation. Additionally, the
Configuration
- Operation Voltage:
- High Tension SEM: 200 V - 30 kV
- High Tension FIB: 500 V - 30 kV
- Source
- FEG (Schottky, Elstar Column)
- Ga Liquid Ion Metal Source (LIMS, Tomahawk HT Ion Column)
- Imaging Detectors:
- SED (ETD, secondary electron detector, topography contrast)
- InLens TLD with SE and BSED Modes (surface structure, material contrast)
- In-column MD (BSE)
- In-column ICD (SE/BSE)
- ICE (for secondary electrons and ions)
- STEM (for TEM like imaging)
- In-Chamber Nav-Cam
- Overview Camera
- Gas Injection System (GIS) (each as single GIS)
- W, Pt, C
- Manipulators
- TFS EasyLift with independent x, y, z motion and rotation
- TFS EasyLift-Cryo with independent x, y, z motion (without rotation)
- Cryo-Stage
- T ≤ -170°C with rotation
- CleanConnect for InertGas transfer (for sample transfer from Dualbeam to glove box using standard airlock on glove box)
- NenoVision LiteScope AFM-in-SEM (usable with CleanConnect)
Resolution
| 30 kV | 15 kV | 1 kV | |
|---|---|---|---|
| Electron Beam [nm] | 0.6 (STEM) | 0.6 | 1.0 |
| Ion Beam [nm] | 4.0 (2.5 by selective edge method) | ≤ 200 |
Imaging, Analysis and Sample Preparation Techniques
- SE & BSE SEM analysis
- STEM imaging
- TEM sample preparation
- APT sample preparation
- Nanoscale deposition and contacting
- Cryo workflow for sample preparation
- Inert gas transfer
- AFM-in-SEM (incl. inert gas transfer)

