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CTI-Cryogenics 8116071G001 Enhanced On-Board 8F Cryopump – High-Productivity Sputtering Pump
The CTI-Cryogenics 8116071G001 Enhanced On-Board 8F Cryopump represents a significant advancement in cryogenic vacuum technology, specifically engineered to meet the demanding requirements of modern sputtering processes. In today's semiconductor manufacturing environment, tool availability is paramount. This enhanced cryopump directly addresses this need by dramatically reducing regeneration frequency while delivering superior vacuum recovery performance, enabling more wafers to be processed between maintenance intervals.
Designed as a direct replacement for existing On-Board 8F and Cryo-Torr 8F cryopumps, the 8116071G001 model offers seamless integration into both new process tools and existing installed equipment. Its enhanced capabilities are particularly beneficial for aluminum, titanium nitride (TiN), titanium, and other sputtering applications where consistent high-vacuum conditions are critical for film quality and process repeatability.
Key Performance Advantages
The primary differentiator of the Enhanced On-Board 8F Cryopump is its ability to maintain fast vacuum recovery performance over extended periods, directly reducing the number of regenerations required per month. In argon-based and nitrogen/argon-based sputtering processes, the pump sustains recovery to a target pressure of 1×10⁻⁷ Torr with exceptional consistency. This translates into a 40% to 65% reduction in regeneration frequency, meaning fewer interruptions to production and more predictable maintenance scheduling.
Reduced Regeneration Frequency: With up to 65% fewer regenerations, tool operators can align pump maintenance with scheduled shield or target changes, minimising unplanned downtime and maximising productive wafer output.
Importantly, the 8116071G001 maintains identical pumping speeds for all gases as the standard On-Board 8F and Cryo-Torr 8F models. This ensures that no process requalification is required when upgrading to the enhanced version, providing a risk-free path to improved performance.
Comprehensive Performance Specifications
The 8116071G001 cryopump delivers outstanding pumping speeds across a wide range of gases, making it suitable for diverse sputtering and vacuum process applications. Its key performance metrics include:
Water Vapor Pumping Speed4000 l/s
Hydrogen Pumping Speed2200 l/s
Air Pumping Speed1500 l/s
Argon Pumping Speed1200 l/s
Argon Throughput700 SCCM (9 Torr·l/s)
Hydrogen Capacity12 std. liter (at 5×10⁻⁶ Torr)
Crossover Capacity150 Torr·liter
Regeneration Time (cold to cold)2.5 hours (full), <1 hour (second stage with FastRegen)
These specifications highlight the pump's exceptional capacity for handling high gas loads, particularly argon, which is commonly used in sputtering processes. The high water vapor pumping speed of 4000 l/s is critical for removing residual moisture that can degrade film quality and adhesion.
Enhanced Vacuum Recovery for Sputtering
Vacuum recovery is a critical step in sputtering processes, where the chamber must be pumped from process pressure down to a specified high vacuum level within a defined time after the feed gas is shut off. This recovery step is a primary driver of regeneration frequency. The Enhanced On-Board 8F Cryopump excels in this area by maintaining fast recovery performance for a significantly longer period compared to standard pumps.
For both argon-only and nitrogen/argon mixed processes (with more than 50% nitrogen), the 8116071G001 consistently achieves the target recovery pressure of 1×10⁻⁷ Torr with reduced degradation over time. This means that the pump can run for many more cycles before requiring regeneration, directly translating to higher tool availability and increased product wafer output.
As a result, process engineers can schedule regenerations to coincide with routine maintenance activities such as shield or target changes, eliminating the need for dedicated regeneration downtime. This operational synergy significantly improves overall equipment effectiveness (OEE).
Seamless Integration and Retrofit Capability
The 8116071G001 is designed for easy integration into all process tools currently equipped with either the On-Board 8F or Cryo-Torr 8F cryopumps. It can be installed at the factory for new process equipment or retrofitted in the field to existing installed tools. This backward compatibility ensures that semiconductor manufacturers can upgrade their vacuum systems without costly modifications to chamber interfaces or control software.
Installation is straightforward, and the pump's physical dimensions, mounting interfaces, and electrical connections are identical to its predecessors. This plug-and-play compatibility minimises installation time and allows for rapid deployment across multiple tools in a production environment.
FastRegen Option for Sputtering Applications
For applications requiring even faster turnaround during regeneration, the 8116071G001 can be specified with the FastRegen Control Module. This option reduces second-stage regeneration time to less than 1 hour, enabling quicker return to production for high-uptime sputtering operations. The FastRegen module is particularly valuable in high-volume manufacturing environments where every minute of downtime has a direct impact on wafer output.
Reliability and Support – GUTS Program
Every CTI-Cryogenics product, including the 8116071G001, is backed by the GUTS (Guaranteed Uptime Support) rapid response network. This comprehensive customer support program ensures that users have immediate access to competent, responsive technical assistance from vacuum experts worldwide. The GUTS service center operates 24 hours a day, 365 days a year, providing peace of mind and minimising the risk of extended downtime due to technical issues.
Whether you need troubleshooting assistance, spare parts, or on-site service, the GUTS network delivers rapid response to keep your production running. This level of support is essential for semiconductor fabs where unplanned downtime can cost millions in lost wafer start
Applications Beyond Sputtering
While optimised for sputtering processes, the Enhanced On-Board 8F Cryopump is also well-suited for other vacuum applications that require high pumping speed and low base pressures, including:
Thin film deposition (PVD, CVD, ALD)
Ion implantation
Surface analysis (XPS, AES, SIMS)
Space simulation chambers
Particle accelerators and beamlines
Its robust construction and proven reliability make it a versatile choice for any high-vacuum system where uptime and consistent performance are critical.
Conclusion
The CTI-Cryogenics 8116071G001 Enhanced On-Board 8F Cryopump sets a new standard for productivity in sputtering applications. By cutting regeneration frequency by up to 65% and maintaining superior vacuum recovery performance, it enables semiconductor manufacturers to achieve higher tool availability, increased wafer output, and more efficient maintenance scheduling.
With its seamless integration, robust performance specifications, and the backing of the GUTS support network, the 8116071G001 is the ideal choice for fabs looking to maximise their investment in sputtering equipment. Contact CTI-Cryogenics to discuss how this enhanced cryopump can be tailored to your specific process requirements and take your production efficiency to the next level.
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