4 K Cryogenic Tester with ±1.20 mK Stability and 0-67 GHz Microwave for 2-Inch Samples in a Low-Temperature Probe Station

Product Description:

The PS-Cryo 4K cryogenic probe station is a state-of-the-art solution designed for precise electrical testing of samples at ultra-low temperatures ranging from 4K to 420K. This cost-effective 4K cryogenic electrical testing probe station is engineered to meet the demanding requirements of researchers and engineers working with advanced materials and semiconductor devices at cryogenic temperatures. Its robust design and advanced features make it an essential tool for low-temperature electrical characterization.

One of the standout features of the PS-Cryo 4K cryogenic probe station is its capability to accommodate a sample holder diameter of up to 51 mm, allowing for the testing of 2-inch samples with ease. This ample sample anchor size provides versatility in handling various sample types and sizes, enhancing the station's adaptability across multiple research applications. Whether working with wafers, chips, or other small-scale devices, this probe station offers a secure and stable platform to ensure accurate measurements.

The optical microscope integrated into the PS-Cryo 4K cryogenic probe station offers a continuous zoom range from 0.75* to 3.75*, enabling detailed visual inspection and precise probe positioning. This feature is critical when dealing with micro-scale devices where accuracy and clarity are paramount. The continuous zoom capability ensures that users can seamlessly adjust the magnification to suit their specific requirements without interruption, facilitating efficient and effective probing sessions.

In terms of electrical performance, this cryogenic probe station excels by delivering an exceptionally low electrical leakage current of less than 100 fA at 1V. This ultra-low leakage current is crucial for sensitive measurements, as it minimizes noise and interference, ensuring highly accurate and reliable data acquisition. Such precision is indispensable for experiments requiring meticulous electrical characterization at cryogenic temperatures.

The PS-Cryo 4K cryogenic probe station also boasts an impressive frequency range, supporting 0 to 50 MHz when equipped with low-temperature coaxial cables, and extending up to 0.1 GHz with semi-rigid coaxial cables. This wide frequency bandwidth accommodates a broad spectrum of electrical testing needs, from DC measurements to high-frequency signal analysis. The flexibility in frequency handling makes this probe station suitable for a variety of research fields, including quantum computing, superconductivity studies, and semiconductor device development.

Temperature stability is a critical parameter in cryogenic testing, and the PS-Cryo 4K probe station delivers outstanding performance with a temperature stability of ±<1.20 MK over the 4 K to 420 K range. Maintaining such precise temperature control ensures consistent experimental conditions, reducing thermal drift and enhancing the reproducibility of results. This level of stability is essential for experiments sensitive to temperature fluctuations, providing confidence in the integrity of collected data.

Overall, the PS-Cryo 4K cryogenic probe station is an exceptional tool that combines versatility, precision, and reliability in a cost-effective package. Its ability to handle 2-inch samples, coupled with advanced optical and electrical capabilities, makes it an ideal choice for researchers seeking a robust 4K-420K cryogenic probe station. By integrating cutting-edge technology with user-friendly operation, this probe station significantly streamlines the process of low-temperature electrical testing, enabling breakthroughs in material science, electronics, and quantum research.

Features:

• Low-vibration high-vacuum cryogenic probe station ensuring stable and precise measurements
• Thermal anchor with probe holder and sample stage temperature difference less than 10 K
• Frequency range: 0-50 MHz with low-temperature coaxial cable, 0.1 GHz with semi-rigid coaxial cable
• Microwave probe support: 0-40 GHz with K-type connector, 0-67 GHz with 1.85 mm connector
• Sample holder types available: Ground, Coaxial, and Triaxial options
• Probe arm stroke dimensions: X-Y-Z axes with 50 mm, 25 mm, and 25 mm travel respectively
• Designed as a low-vibration high-vacuum cryogenic probe station to minimize environmental interference
• Optimized for advanced cryogenic testing applications requiring a low-vibration high-vacuum cryogenic probe station environment

Technical Parameters:

Applications:

The Truth Instruments PS-Cryo Cryogenic Probe Station is an advanced testing platform designed for precision measurements and analysis under extreme temperature conditions. Originating from China, this state-of-the-art instrument is ideal for a wide range of research and development applications in fields such as semiconductor device characterization, quantum computing, and superconductivity studies.

One of the key application occasions for the PS-Cryo probe station is in low-temperature electrical testing, where maintaining sample integrity and measurement accuracy is critical. The system supports a broad sample temperature range from 4 K to 420 K, enabling researchers to explore material properties and device behaviors at cryogenic temperatures with exceptional control. This 2-inch sample 4K-420K cryogenic probe station is perfectly suited for experiments requiring precise thermal regulation and stability.

Equipped with a GM refrigeration closed-loop cryogenic testing system, the PS-Cryo provides reliable and continuous cooling without the need for liquid cryogens, making it both cost-effective and environmentally friendly. This feature is particularly beneficial in research labs and industrial environments where long-term testing and high throughput are essential.

The optical microscope integrated into the PS-Cryo offers 0.75* to 3.75* continuous zoom, allowing users to accurately position probes on microscopic sample features. This precision is essential when working with delicate or small-scale devices. Additionally, the probe station supports a wide frequency range with microwave probes covering 0-40 GHz (K-type connector) and 0-67 GHz (1.85 mm connector), as well as low-frequency measurements from 0-50 MHz using low-temperature coaxial cables and up to 0.1 GHz with semi-rigid coaxial cables. This versatility makes it suitable for a broad spectrum of electrical and microwave testing scenarios.

Another critical attribute is the low-leakage current capability of less than 100fA at 1V, which ensures highly sensitive and accurate electrical measurements in cryogenic environments. The sample stage vibration is maintained below 1 μm (peak-to-peak), providing a stable platform that minimizes noise and mechanical interference during testing.

Typical scenarios for the Truth Instruments PS-Cryo cryogenic probe station include semiconductor device research, low-temperature physics experiments, quantum device testing, superconducting circuit characterization, and advanced microwave component analysis. Its robust design and advanced features make it an indispensable tool for universities, research institutes, and high-tech industries focused on pushing the boundaries of cryogenic and electronic device performance.