Cohu, Inc.
We are a global leader in test handling, thermal subsystems, package inspection, contactors and MEMS test solutions used by the semiconductor industry.
- 858.848.8000
- 858.848.8180
- info@cohu.com
- 12367 Crosthwaite Circle
Poway, CA 92064
United States of America
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Product
Test Contactor/Probe Head
Mercury
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Mercury™ test probes and contactors are excellent spring probes for the laboratory though they were designed with the robust qualities needed for high-volume production test. Their unique design ensures excellent plating quality for low, consistent resistance, long life, and high-test yields.Mercury probes are available with minimum pitches of 0.3 mm, 0.4 mm, 0.5 mm, and 0.8 mm, to provide the best performance at any device pitch. Mercury probes have bandwidths of up to 22 GHz, and can carry over 3 Amps of current. The Mercury is an excellent choice for any test application.
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Product
High Parallel Tri-Temp Pick-and-Place Handler
Delta MATRiX
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Cohu’s MATRiX handler has a highly flexible test site configuration that’s well suited for a wide range of test applications, including analog ICs with short test times and high throughput, automotive devices requiring accurate thermal control, small pitch wireless-communication products, high parallel microcontroller testing, MEMS device testing, and many other device market segments with their unique requirements. The MATRiX has a highly flexible test site configuration that enables customers to reuse existing load-boards, including boards made for competitor’s legacy handlers.
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Product
Kelvin Test Contactor/Probe Head
Gemini
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At 3.22 mm test height, the Gemini™ Kelvin test contactor is an excellent all-around spring probe with low inductance, high bandwidth, and excellent current-carrying capacity. The device under test (DUT) side tip design accurately maintains its 100 µm spacing for the life of the probe. Customers report typical probe life of 500 k to 800 k package insertions, or over 2M touchdowns at wafer-level test. The offset tip allows manageable board layout with a board-side spacing of 0.4 mm.Gemini Kelvin probes and contactors provide a first-rate solution that effortlessly makes reliable, true Kelvin contact for high-volume final test of both singulated packages and wafer-level devices. Gemini Kelvin is an ideal solution for devices such as power controllers, A-D and D-A converters, power amplifiers and audio and video circuits.
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Product
High Speed Gravity Handler
MT9928 xm
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This well-established test handler provides field-proven reliability and performance. Its modular and scalable design and variety of options allow configuration of the MT9928 exactly according to the test needs. Easy-access design and easy-to-change conversion kit parts support fast and easy package style changes. The MT9928 has a large soak capacity and features the entire tri-temp range at outstanding temperature accuracy and stability.
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Product
Test Contactor/Probe Head
xWave
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Highest performance and most robust RF broadband production solution for package, wafer, or Over-the-Air (OTA) test for 100 GHz.The xWave™ test contactor / probe head utilizes patented hybrid contacting technology to optimize RF performance and provide robustness for production testing of the most challenging cmWave and mmWave devices. Inside the xWave test contactor / probe head are embedded patch antennas and coplanar waveguides for both wireless and wired communication.
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Product
Tri-Temp Pick-and-Place Handler
MT9510 XP / x16
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MT9510 XP™/ MT9510 x16™ test handler provides full temperature control during test in extreme environmental conditions from -55˚C to +175˚C. A variety of options, upgrades and retrofits are available to configure the product to customer applications such as; automotive battery management systems (BMS) for electric (EV) and hybrid electric vehicles (HEV) and precision power regulators.
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Product
Tube-To-Tube Gravity Handler
Rasco SO1000
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The SO1000 test handler’s mature design and high reliability it provides excellent cost of test. Highly flexible as a result of a broad range of device kits can be combined with various Sensor and MEMS applications.Featuring a fast plunger with up to four plunger heads for high speed and high throughput with index time down to 500 ms. Available in single, dual, and quad configurations.
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Product
Test Contactor
RF Scrub
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RF Scrub™ Test Contactor’s innovative design combines an extremely short signal path (0.90mm test height) with high wear resistance pins that can operate in a wide temperature range.The RF Scrub Test Contactor’s long-life, elastomer free design and easy field maintainability makes it an optimal solution for testing of high-performance devices.The RF Scrub design minimizes load board wear and with the unique pin base material and plating, the cleaning intervals can last up to 100,000 cycles.
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Product
Kelvin Test Contactor
ecoAmp
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ecoAmp™ Kelvin test contactor has a durable monolithic pin design with low and stable contact resistance. It is a high-power cantilever kelvin contactor with a patented spring and tip design for optimum heat dissipation. This ensures best reliability, long spring life and high yield even under highest current and temperature requirements. Featuring extended Automotive temperature range -60 ̊C to +175 ̊C, capable to stand thermal stress during high-power test. The contact motion is decoupled from the test board.
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Product
Kelvin Test Contactor
nano
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nano Kelvin™ test contactor is a well-established Cantilever Kelvin test contactor with proven performance in the automotive market and further increasing popularity due to the robustness and reliability of the product.Featuring a small imprint area, contact motion decoupled from the test board and simple and cost-efficient test boards.
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Product
Test Contactor/WLCSP Probe Head
ACE
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ACE™ test sockets offer optimal RF performance for fine pitch FBGA, QFN and wafer-level packages for Power Amplifiers, RF switches and mobile communications. Supporting pitches down to 0.4 mm, ACE features an innovative design that provides superior performance, improved yields and power efficiency.ACE probe heads deliver exceptional electrical performance, both DC and RF. Manufactured from HyperCore™ base material, a proprietary material of Cohu’s Everett Charles Technologies, ACE probes have the electrical properties of BeCu with the non-oxidizing properties of a precious metal. The short signal path, sharp tips, and large contact area between plungers provide high current conductance and reliable contact with less force.
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Product
Highest Throughput For Fragile Devices
Ismeca NY20
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20-position turret platform for semiconductor test, inspection and packaging, provides the highest quality yield and throughput. It integrates innovative hardware and software technology such as intelligent features that enable extended autonomous operation and productivity.
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Product
Semiconductor Test Platform
Diamondx DxV
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The Diamondx DxV semiconductor test system provides full ATE performance in a desktop PC footprint. Fully integrated, ultra-compact test system designed to be used in the engineering lab or office. Unlike traditional semiconductor tester solutions that is no mainframe, separate workstation or support cabinets needed. The Diamondx DxV is completely stand-alone, so it can be placed on a bench or desktop:
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Product
MEMS Optical Sensor Test
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For optical sensor test Cohu offers a variety of solutions being driven by requirements for tri-temp, parallelism and stimulus spacing. Customized optical stimulus units are integrated into Cohu’s test handling systems. For light detector test, we implement different types of light sources, such as infrared, ambient- and colored light. We offer different solutions for 3D image sensors combining emitter and receiver tests of LiDAR, Time of Flight and Structured Light devices.
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Product
MEMS And Sensor Test Automation Platform
Sense+
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Sense+™ ultra-precise MEMS & sensor test automation platform allows for significant improvement in test accuracy, parallelism for a lower cost of test, and the ability to handle and inspect, small delicate sensors. Fully configured, Sense+ delivers a one-pass automated test, inspection, and metrology for the most complex MEMS devices including <1 mm WLCSP.


















