Kelvin Test

Kelvin Test solutions are used for 4-terminal measurement achieving reliable probe contact, and can provide a minimum diameter of φ0.15mm. They are available in various plunger materials and shapes, and can reliably contact very narrow pads. By separating force and sense lines, Kelvin Test methods enable highly accurate resistance measurements by eliminating errors caused by contact resistance and lead resistance with easy to modify probe specification (Tip shape, Length, Diameter, Spring Force, Material)

Gennex provides solutions for stable performance, improved measurement repeatability, and reliable results for both engineering validation and high-volume production testing.

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Key Features of Kelvin Test Solutions

Kelvin Test solutions are engineered to deliver high-precision measurement performance in demanding semiconductor testing environments. Each feature is designed to improve accuracy, reduce errors, and ensure stable operation during repeated testing cycles.

  • 4-wire measurement configuration for maximum accuracy
  • Minimized contact resistance influence on results
  • High signal integrity for precise readings
  • Stable electrical performance under repeated use
  • Optimized probe and socket alignment design
  • Suitable for low-resistance semiconductor testing

These features makes it solutions ideal for environments where precise electrical measurement is essential for device validation and quality assurance.

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Key Benefits:

  • Highly accurate resistance measurement results
  • Reduced errors from contact and lead resistance
  • Improved repeatability in testing processes
  • Better device characterization accuracy
  • Increased confidence in quality validation
  • Enhanced efficiency in production testing environments

Technical Advantages of Kelvin Test Technology

Kelvin Test technology is specifically designed to overcome the limitations of traditional two-wire measurement systems by introducing a more precise and controlled testing approach.

  • True force-sense separation for accuracy
  • Elimination of lead resistance influence
  • High sensitivity for micro-ohm level measurement
  • Stable performance in high-speed test environments
  • Reduced measurement drift over time
  • Optimized for modern semiconductor architectures

These technical advantages ensures to deliver reliable and repeatable measurement results even in the most demanding semiconductor applications.

Kelvin Test Applications

Low-resistance semiconductor testing
Power device characterization
Wafer-level electrical testing
Contact resistance measurement
IC reliability testing
Automotive semiconductor validation

Partner with Gennex for Kelvin Test Solutions

Selecting the correct Kelvin Test configuration is essential for achieving accurate and reliable measurement results in semiconductor testing environments. Gennex team can help you identify the right solution based on your device type and testing requirements.

Support Services:

  • Technical consultation
  • Product selection assistance
  • Application engineering support
  • Custom configuration guidance
  • Datasheet and specification support

Contact us today to learn more about Kelvin Test solutions and find the most suitable configuration for your semiconductor testing needs. Email semicon.rfq@gennexcorp.com for your tailored solutions. 

FAQs About Kelvin Test

Kelvin testing, also known as 4-wire sensing, is a measurement technique used in semiconductor testing to accurately determine very low resistance values by eliminating the effects of lead and contact resistance. It is widely used in wafer sort, final test, and device characterization where precision electrical measurement is critical. Gennex can help you implement the right Kelvin test solution for accurate semiconductor measurements — email semicon.rfq@gennexcorp.com for technical support.

In 2-wire testing, the same path is used for both current supply and voltage measurement, which introduces errors from contact and lead resistance. In contrast, Kelvin testing separates the current and voltage paths to ensure precise measurement of the device under test. Gennex can help you upgrade your semiconductor testing setup with accurate Kelvin test configurations — email semicon.rfq@gennexcorp.com for guidance.

Kelvin testing is commonly used in wafer probe testing, IC characterization, reliability testing, power device evaluation, and advanced semiconductor packaging verification. It is especially important for low-resistance components such as power ICs, transistors, and interconnect structures. Gennex can help support Kelvin test applications across semiconductor manufacturing workflows — email semicon.rfq@gennexcorp.com for application support.

Devices that require Kelvin testing include power semiconductors, MOSFETs, IGBTs, analog ICs, RF components, and advanced integrated circuits where accurate resistance measurement is critical. These devices often operate under high current or high precision requirements. Gennex can help identify the right Kelvin test solution for your specific semiconductor device — email semicon.rfq@gennexcorp.com for consultation.

Kelvin testing typically uses specialized probe cards, spring contact probes, test sockets, and ATE (Automated Test Equipment) systems designed for 4-wire measurement configurations. These tools ensure accurate separation of force and sense paths. Gennex can help provide compatible Kelvin test solutions for your semiconductor equipment setup — email semicon.rfq@gennexcorp.com for technical assistance.

Kelvin probes use separate force and sense contacts to enable accurate 4-wire measurement, while standard probes use a single path that combines current and voltage measurement. Kelvin probes are essential for low-resistance and high-accuracy applications. Gennex can help you select the right probe technology for your semiconductor testing needs — email semicon.rfq@gennexcorp.com for consultation.

Choosing the right Kelvin test solution depends on device resistance range, test current, accuracy requirements, package type, and test environment conditions. Proper selection ensures stable performance and reliable measurement results. Gennex can help evaluate your requirements and recommend the most suitable Kelvin test solution — email semicon.rfq@gennexcorp.com for expert guidance.

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