Fully automated, high-productivity semiconductor metrology workflows

The Thermo Scientific Metrios 6 (S)TEM is a new-generation, fully automated metrology solution with enhanced productivity and data quality for high-volume TEM metrology. Featuring newly designed hardware and machine-learning-based capabilities, the Metrios 6 (S)TEM offers a 20% productivity improvement on average compared to previous-generation solutions.

 

The Metrios 6 (S)TEM includes the new Smart Stage, the Ultra-X EDS detector, the high-brightness X-CFEG source option, and Smart Automation software. This combination provides improved productivity with data integrity, fast elemental analysis, and recipe-free automation for scalable lab operations and resource optimization.

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    Metrios 6 (S)TEM datasheet

    Download the datasheet to learn how the Metrios 6 (S)TEM produces repeatable, consistent data quickly, independent of the tool, the site, and the operator.

    Increased productivity and data integrity

    Higher sample throughput is enabled by the newly redesigned Smart Stage and the new Ultra-X EDS detection system. These features provide an approximate 15% TEM metrology performance increase and 2x faster EDS elemental analysis. The Smart Stage supports fully automated sample loading and precise navigation to the region of interest (ROI). The new constant power lenses enable high-tension switching in less than 20 minutes, increasing tool availability.

     

    Data integrity is enhanced with the piezo-driven Smart Stage tilt movement and Thermo Scientific Smart Automation Software to assure the highest possible quality (S)TEM imaging. This unique combination of hardware and software provides unparalleled tilt accuracy and precision movement. Smart Automation software includes smart auto zone axis (Smart AZA) alignment, smart tilt, and tool readiness. Smart AZA aligns the high-order silicon zone axes (e.g., Si<130>) in a defined ROI. Smart tilt automatically aligns 3D NAND planar samples to the beam, ensuring precise metrology analysis. Tool readiness maintains critical tool alignment for high-quality data and robust TEM automation. 

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            Fast elemental analysis

            The Metrios 6 (S)TEM with the Ultra-X EDS detector brings a new level of EDS detection to high-throughput solutions. The advanced Ultra-X EDS detector provides a 4.45 srad solid angle, delivering at least 2x greater data collection efficiency than the previous generation of detectors. This enables collection of data in less time while preserving the integrity of beam-sensitive samples. In addition to these capabilities, Ultra-X unlocks new EDS analysis opportunities with the cleanest EDS spectra, (<1% spurious peaks).

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              3D NAND memory cell EDS map using the Ultra-X detector.
              GAA transistor “forksheet” structure EDS map produced by the Ultra-X detector.

              Recipe-free automation for (S)TEM metrology

              Recipe-free, full automation utilizes machine-learning algorithms to substantially reduce automation set-up time for each new process or sample type to provide ease-of-use and scalability. Application-specific Smart Automation supports a variety of semiconductor device types, such as gate-all-around (GAA), DRAM, and 3D NAND. The new web-based segmenter and object detection algorithm provide 50x faster model training on device structures. Additionally, Smart Automation is extensible to meet future advanced semiconductor R&D and manufacturing requirements.

              Fully automated (S)TEM imaging of GAA transistor “forksheet” structure (left) and fully automated metrology on Si channel and remaining sacrificial SiGe (right).


              Technical highlights for Metrios 6 (S)TEM

              • Five-axis, piezo-driven Smart Stage with minimum XYZ step size of ≤20 pm
              • Ultra-X detector provides high-sensitivity, windowless EDS detection with high solid angle and high cleanliness.
              • Three-lens condenser system with indicators for convergence angle and size of the illuminated area, allowing for quantitative measurement of electron dose and illumination conditions
              • The S-CORR probe corrector provides sub-Ångström imaging resolution at 60 kV as specification and an order of magnitude improvement in optical stability
              • The S-CORR corrector simultaneously corrects A5 for all accelerating voltages
              • Flexible, high-tension range of 60–200 kV
              • Choice of ultra-stable, high-brightness Schottky field emission gun (X-FEG) or ultra-high-brightness cold field emission gun (X-CFEG) with an energy resolution of <0.4 eV
              • Smart Automation software allows setup of new automation routines in <4 hours for selected workflows
              • Alpha-tilt under-goniometer software control; tilt range ±40 degrees for high-accuracy double-tilt holder
              • EDS quantification using Thermo Scientific Velox Software, featuring dynamic correction of holder shadowing as a function of tilt
              • New high-accuracy double-tilt holder designed for Smart Stage
              • Guaranteed TEM and STEM mode metrology accuracy, less than 0.75% combined error in distortion and magnification calibration

              Yield Ramp and Metrology

              Improving semiconductor yield and accelerating production ramp can be challenging. The increasing 3D complexity of semiconductor devices is generating unprecedented demand for high-quality TEM metrology data. The Metrios 6 (S)TEM features state-of-the-art hardware and machine-learning-based automation software for reference metrology and process monitoring. This solution is designed to help semiconductor labs increase sample throughput and high-volume data acquisition to increase productivity and accelerate time-to-yield.


              Physical and Chemical Characterization

              Developing modern semiconductor devices requires physical, structural, and elemental characterization on atomic-scale defects with special consideration for electron-beam-sensitive materials. The Metrios 6 (S)TEM supports flexible imaging and characterization workflows for accurate root cause analysis and faster process development. Working on beam-sensitive materials depends on enhanced data collection efficiency and minimum electron-beam exposure to preserve data integrity. The Metrios 6 (S)TEM features the Ultra-X EDS detection system and fast high-tension switching for fast physical and elemental characterization of semiconductor devices.


              Memory Device Metrology and Analysis

              Manufacturing advanced memory devices, such as 3D NAND and DRAM, requires high-volume, precision TEM metrology on small, critical dimensions hidden in high-aspect-ratio structures. With fully automated workflows, the Metrios 6 (S)TEM delivers high-productivity, high-quality reference metrology and defect analysis for advanced memory device structures.


              Perform Services for semiconductor

              Thermo Scientific Perform Services will empower your success for the lifetime of your system. Simplify your budget and maximize availability with the extraordinary value and predictable cost of ownership provided by Thermo Fisher Scientific.

              • Gain access to technical support and factory expertise with telephone support and RAPID remote diagnostics
              • Keep systems in peak condition with the latest software updates, including licenses and installation
              • Get Thermo Scientific quality parts expedited to your site from strategic global inventories
              • Ensure a rapid response with priority access to Thermo Fisher engineers
              • Experience optimized system function with regular preventive maintenance

              Most of the Thermo Scientific Perform Service packages offer software updates and continuous access to Thermo Scientific RAPID remote service and telephone support, ensuring that our technical experts' assistance is always at your disposal. Options for consumables coverage, extended service hours, and targeted uptime can provide additional business-critical support.

              Remote Service for faster support

              At Thermo Fisher Scientific, our digital capabilities allow us to be more agile and proactive in how we support your instrument. Leveraging data and remote technologies enables us to expand our service reach, deliver an accelerated response, and optimize your system’s uptime and performance.

              Our worldwide team of 1,000 service professionals is ready to assist you with technical issues or other service inquiries. Their goal is to expediently resolve any issue that might arise with your instrument. 

              For Research Use Only. Not for use in diagnostic procedures.

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