Executive Summary

The KLA-Tencor eS805 is an electron-beam inspection system designed for detecting small defects and defects that cause electrical problems in semiconductor manufacturing. Announced in 2013, the eS805 is an upgrade to previous eS3x and eS8xx-series e-beam inspection systems. It is capable of detecting buried electrical defects in "voltage contrast" mode and provides supplementary information to optical inspection systems to boost their ability to capture defects that matter.

The eS805 features a new image computer, auto-focus subsystem, and higher beam current densities than other commercially available systems. It is designed to elicit significant signal from defects hidden at the bottom of high aspect ratio structures such as FinFETs and 3D flash. The system is backed by KLA-Tencor’s global, comprehensive service network to maintain high performance and productivity.

Architecture & Design

The eS805’s architecture is designed to provide high performance and efficient capture of small defects within non-periodic structures. The system features a new image computer, which enables advanced algorithms to work together with the auto-focus system to detect small defects.

• New image computer for advanced algorithms and image processing
• New auto-focus subsystem for precise focus control
• Higher beam current densities for detecting buried electrical defects
• Architecture designed to elicit significant signal from defects in high aspect ratio structures
• Advanced algorithms for efficient capture of small defects in non-periodic structures

The eS805 is designed to work with a variety of semiconductor manufacturing processes, including FinFETs and 3D flash. The system’s ability to detect buried electrical defects in voltage contrast mode makes it an essential tool for ensuring the quality and reliability of semiconductor devices.

Performance & Thermal

The eS805’s performance is driven by its advanced architecture and design. The system’s new image computer and auto-focus subsystem enable it to detect small defects with high accuracy and efficiency.

• High beam current densities for detecting buried electrical defects
• Advanced algorithms for efficient capture of small defects in non-periodic structures
• New image computer for advanced image processing and analysis
• Auto-focus subsystem for precise focus control

Thermal management is critical in electron-beam inspection systems, as high temperatures can affect the system’s performance and accuracy. The eS805 is designed to operate within a specific temperature range, and its thermal management system is designed to maintain a stable temperature environment. This ensures that the system can operate at optimal levels, providing accurate and reliable results.

Technical Background

The KLA-Tencor eS805 is based on the principle of electron-beam inspection, which uses a focused beam of electrons to inspect the surface of semiconductor wafers. The system’s electron beam is generated by an electron gun, which produces a high-energy beam of electrons that is then focused onto the wafer surface. The electrons interact with the wafer material, producing a signal that is detected by the system’s sensors. This signal is then processed and analyzed to detect defects and other irregularities.

The eS805’s technical background is rooted in the field of scanning electron microscopy (SEM), which uses a focused beam of electrons to produce high-resolution images of the surface of materials. The system’s advanced architecture and design enable it to detect small defects and irregularities, making it an essential tool for semiconductor manufacturing.

Competitive Landscape

The KLA-Tencor eS805 operates in a competitive landscape, with several other companies offering similar electron-beam inspection systems. Some of the notable competitors include the Applied Materials SEMVision system, the Hitachi CG6300 system, and the JEOL JSM-7800F system. These systems offer similar capabilities and features, but the eS805 is distinguished by its advanced architecture and design, which enable it to detect small defects with high accuracy and efficiency.

The competitive landscape is driven by the need for high-quality semiconductor devices, which requires advanced inspection and testing systems. The eS805 is well-positioned in this landscape, with its ability to detect buried electrical defects and provide supplementary information to optical inspection systems. The system’s global service network and comprehensive support also make it an attractive option for semiconductor manufacturers.

Applications and Use Cases

The KLA-Tencor eS805 has a wide range of applications and use cases in semiconductor manufacturing. The system is designed to work with a variety of semiconductor manufacturing processes, including FinFETs and 3D flash. It is also used to inspect and test a variety of semiconductor devices, including logic devices, memory devices, and analog devices.

The eS805 is used in a variety of scenarios, including defect detection, process control, and yield enhancement. The system’s ability to detect small defects and irregularities makes it an essential tool for ensuring the quality and reliability of semiconductor devices. The system’s advanced architecture and design also make it well-suited for use in high-volume manufacturing environments, where speed and accuracy are critical.

Conclusion

In conclusion, the KLA-Tencor eS805 is a highly advanced electron-beam inspection system that is designed to detect small defects and defects that cause electrical problems in semiconductor manufacturing. The system’s advanced architecture and design enable it to detect small defects with high accuracy and efficiency, making it an essential tool for ensuring the quality and reliability of semiconductor devices.

The eS805 is well-positioned in the competitive landscape, with its ability to detect buried electrical defects and provide supplementary information to optical inspection systems. The system’s global service network and comprehensive support also make it an attractive option for semiconductor manufacturers. As the demand for high-quality semiconductor devices continues to grow, the eS805 is likely to play an increasingly important role in the semiconductor manufacturing industry.