TSK UF190R Wafer Prober | Used & Refurbished Solutions

1. Introduction

In the semiconductor industry, wafer probers are critical tools for ensuring device quality, performance, and yield. Among the many models available, the TSK UF190R remains one of the most recognized and widely used systems, valued for its precision, durability, and adaptability in different testing environments. Originally developed by Tokyo Seimitsu (ACCRETECH / TSK), the UF190R continues to serve wafer testing needs in both high-volume fabs and R&D facilities.

Having access to the right equipment can make the difference between efficient production and costly downtime. At JUNR Technology, we specialize in supplying used and refurbished semiconductor equipment, including the TSK UF190R wafer prober. With in-depth product knowledge, technical expertise, and access to spare parts, we provide fabs and labs with cost-effective solutions for maintaining stable testing operations.

2. Overview of the TSK UF190R

The TSK UF190R is a fully automated wafer prober designed for precision testing of semiconductor wafers. It was built to handle the increasing complexity of device structures while maintaining consistent accuracy in probing and electrical measurements.

• Manufacturer: Tokyo Seimitsu (ACCRETECH / TSK), a global leader in semiconductor probing technology.

• System type: Automatic wafer prober.

• Wafer compatibility: Typically supports 6-inch (150 mm) and 8-inch (200 mm) wafers, making it suitable for both mature technology nodes and specialized applications.

• Primary application: Electrical testing of wafers before dicing and packaging, helping fabs detect defects early in the manufacturing process.

The UF190R’s robust mechanical design and advanced motion control make it a popular choice for semiconductor manufacturers seeking reliability and performance without the higher costs of newer models. Even today, many fabs continue to rely on the UF190R due to its strong balance of accuracy, stability, and proven field record.

3. Key Features of the TSK UF190R

The TSK UF190R wafer prober is known for several technical and operational strengths that ensure its continued relevance in wafer testing environments:

• High-Precision Wafer Alignment
  The UF190R features advanced alignment technology, allowing precise wafer positioning and stable probe contact. This accuracy is crucial for achieving reliable test results across thousands of die per wafer.

• Automated Wafer Handling
  Its automated loading and unloading capabilities significantly improve throughput. This makes the UF190R suitable for both production lines and engineering labs where efficiency and repeatability are essential.

• Versatility in Test Environments
  The system is compatible with a variety of test conditions, including parametric testing and functional wafer-level device characterization. This versatility ensures wide usability across multiple semiconductor applications.

• Durability and Proven Reliability
  With a robust mechanical structure and long-standing performance record, the UF190R is recognized for its reliability in 24/7 production environments. Many fabs continue to use these systems for decades with proper maintenance.

• Cost-Effectiveness

  Compared to newer-generation probers, the UF190R remains a cost-efficient choice. For companies managing budgets while still requiring high performance, it provides excellent long-term value.

  
  

4. Benefits of Using the TSK UF190R

The TSK UF190R remains popular in the semiconductor industry for several compelling reasons:

• Proven Accuracy and Throughput
  Its high-precision alignment and stable probe contact ensure consistent test results, reducing the risk of false readings and improving yield analysis.

• Extended Lifecycle Value
  Even though the UF190R is not the newest model, its durable design and wide adoption make it an excellent long-term investment for fabs and labs.

• Compatibility with Mature Node Production
  Many fabs still operate at 150 mm and 200 mm wafer sizes, and the UF190R is perfectly suited for these applications. This makes it an attractive option for companies working on power devices, MEMS, analog ICs, and specialty semiconductors.

• Lower Ownership Cost
  When purchased as a used or refurbished system, the UF190R provides significant savings compared to newer probers, while still meeting operational requirements.

5. Common Challenges and Support Needs

Like any wafer prober, the TSK UF190R may encounter issues over time, particularly when used in high-volume manufacturing. Some common challenges include:

• Alignment Drift
  With extended use, alignment mechanisms may require recalibration to maintain probe accuracy.

• Probe Contact Reliability
  Wear on contact points or improper wafer handling can result in poor electrical connections during testing.

• Motion Control Errors
  Motors and stage systems may trigger errors if not regularly maintained.

• Obsolete Components
  As the UF190R is a legacy model, sourcing replacement parts and manuals can be difficult without a trusted supplier.

Having access to the UF190R manual, spare parts, and experienced technical support is essential for keeping the system fully operational.

6. Why Choose a Used TSK UF190R from JUNR

At JUNR Technology, we specialize in providing fabs and labs with reliable second-hand semiconductor equipment, including the TSK UF190R wafer prober. Here’s why customers choose us:

• Quality-Assured Systems
  Every UF190R we supply undergoes inspection and testing to ensure stable operation before delivery.

• Refurbishment and Maintenance
  We provide refurbished systems with extended usability, along with preventive maintenance guidance.

• Manuals and Technical Consultation
  We assist customers with operation manuals, troubleshooting, and training for smooth integration.

• Spare Parts and Long-Term Support
  From replacement boards to mechanical components, our inventory helps extend the life of your UF190R.

• Wide Model Expertise
  Beyond the UF190R, we also deal in TSK UF200, UF300, and other prober models, ensuring customers find the right solution for their fab requirements.

By combining technical expertise with reliable equipment supply, JUNR helps semiconductor manufacturers maximize the value of their TSK UF190R investment while minimizing downtime.

7. Conclusion

The TSK UF190R wafer prober continues to play an important role in semiconductor wafer testing, thanks to its precision alignment, robust design, and compatibility with 150 mm and 200 mm wafer applications. While it is a legacy model, the UF190R remains highly valued in fabs and R&D facilities worldwide for its stability and cost-effectiveness.

However, keeping a UF190R in reliable operation requires access to manuals, spare parts, and expert support. That’s where a trusted partner becomes essential.

At JUNR Technology, we provide fabs and labs with used and refurbished TSK UF190R probers, along with technical consultation, manuals, and long-term support services. Whether you need a complete system, replacement parts, or troubleshooting advice, our team can help you maintain stable testing operations and reduce downtime.

Looking for a TSK UF190R wafer prober or support services?
Contact us today to discuss your requirements and learn more about our available inventory.