Broad ion beam milling for surface and cross-section polishing of samples for SEM imaging and characterization
 

High-quality observation and characterization of materials often require an artifact-free surface, which can be difficult to achieve with traditional polishing techniques like grinding or mechanical polishing.

The Thermo Scientific CleanMill Broad Ion Beam System is the complete ion beam polishing solution for SEM applications in materials science, enabling optimal imaging and analysis of materials where a pristine surface is required, including beam- and air-sensitive materials.

The CleanMill System is fully compatible with the Thermo Scientific CleanConnect Sample Transfer System, making it easy to quickly transfer samples between instruments while minimizing sample handling.

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      On-demand webinar: Introducing the CleanMill Broad Ion Beam System

      Watch the launch of the Thermo Scientific CleanMill Broad Ion Beam System, which provides:

      • Advanced SEM sample preparation for traditional and air-sensitive materials
      • High throughput and consistent surface and cross-section preparation
      • CleanConnect compatibility and integration with the IGST workflow
      • A wide beam energy range and dedicated low-energy optics
      Watch on-demand

      CleanMill Broad Ion Beam System features

       

      High-energy ion source

      The ultra-high-energy ion source features a maximum accelerating voltage of 16 kV to rapidly mill and polish sample surfaces.
       

      Ultra-fine surface polishing

      The CleanMill System can be configured with an optional low-energy ion gun for final polishing of sample surfaces.

      Wide acceleration voltage

      The system delivers ion energy ranging from 2 kV to 16 kV and features dedicated optics for ultra-low-voltage polishing from 100 V to 2 kV.

       

      CleanConnect System compatibility

      Safely transfer samples from the CleanMill System to the microscope chamber using the Thermo Scientific IGST (inert gas sample transfer) Workflow to observe materials in their native states.

      Real-time monitoring

      The integrated touchscreen and high-resolution camera help you keep track of the broad ion beam milling process.

      Cryogenic milling

      The optional cryo-stage delivers LN2 cooling with automatic refilling for working with extremely beam-sensitive materials.


      CleanMill Broad Ion Beam System specifications

       

      Ion optics

      • Ultra-high-energy ion source with continuously and independently adjustable milling energy
        • 2 to 16 kV
        • Ion beam current range: 20 to 500 μA
        • Maximum sputter rate: >500 μm/hr
      • Optional low-energy source
        • 0.1 to 2kV
        • Ion beam current range: 10 to 80 μA
        • Automated ion source setup

       

      Sample holders and maximum sample size:

      • Standard surface polishing sample holder
        • 30 mm (diameter) x 15 mm (height)
          CleanConnect System-compatible sample holders
      • Surface polishing
        • 28 mm (diameter) x 3 mm (height)
        • Interchangeable holder to allow 20.5 mm (diameter) x 8.5 mm (height)
      • Cross-section polishing
        • 90° slope: 10 mm x 10 mm x 3 mm

      Imaging system

      High-resolution CMOS camera with fixed 10x optical zoom and continuously adjustable digital zoom up to 120x magnification

      Vacuum system

      • Oil-free diaphragm and turbomolecular pumps with Pirani and Penning vacuum gauges
      • Gas supply: high-purity argon with high-precision gas flow control

      Sample stage

      • Sample tilt range: 0 to 180° in 0.1° steps
      • Sample rotation: 360° in-plane rotation
      • Sample oscillation: ±1° to ±180° in 1° steps

      Computer control

      • Easy-to-use touchscreen graphical user interface (GUI)
        • System setup Milling parameter setting
        • Operation control
      • Touch GUI with Microsoft Windows 11

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      To ensure optimal system performance, we provide you access to a world-class network of field service experts, technical support, and certified spare parts.

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