Cohu, Inc.
We are a global leader in test handling, thermal subsystems, package inspection, contactors and MEMS test solutions used by the semiconductor industry. We provide our customers with outstanding products and services that reflect our commitment to operational excellence, innovation and market leadership. Delta Design's engineering and manufacturing plant Cohu, Inc. was founded in 1957 and is comprised of three business units, Delta Design, Rasco and Ismeca.
- 858.848.8000
- 858.848.8180
- info@cohu.com
- 12367 Crosthwaite Circle
Poway, CA 92064
United States of America
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Flexible Test And Scan Solution For FFC Devices
Ismeca NY32W
32-position turret test and scan platform for semiconductors on film-frame wafer media, providing the highest inspection yield for WLCSP and Bare Dies. Integrating innovative hardware and software technologies such as intelligent features that enable extended autonomous operation and productivity.
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Tube-To-Tube Gravity Handler
Rasco SO1000
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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Test Contactor/Probe Head
Mercury
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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Gravity Test Handlers
Extremely small to very large packages, very wide temperature range, high throughput octal site and quad site testing.
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Test Contactor/WLCSP Probe Head
ACE
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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Kelvin Test Contactor/Probe HEad
cPython
cPython™ Kelvin contactors and probe heads provide superior electrical and thermal performance with significant cost savings. This makes cPython Kelvin ideal for lab and high-volume production test of analog and mixed signal integrated circuits – for applications such as power control, A-D and D-A converters, audio, video, power amplifiers, photonics, optical MEMS and sensors.cPython Kelvin probes are electrically isolated and mechanically independent force and sense paths for true Kelvin contact for taking accurate measurements, even under high current conditions. These robust probes provide hundreds of thousands of insertions or touchdowns, and a bandwidth up to 26 GHz.
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Environment And Burn-in Temperature Chambers
9000 Series
Delta 9000 Series Temperature Chambers offer a wide choice of temperature ranges and capacities in addition to smart electronics. Field proven by satisfied customers for over four decades, Delta chambers are quality instruments that provide service longevity and integrity unique in their field. Over the years, Cohu has added advanced features to the proven basic chamber design and has refined system components and programming capability to deliver outstanding quality and value.
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MEMS Magnetic Sensor Test
Cohu offers a big variety of magnetic test solutions applying magnetic field in all three dimensions. Depending on the requirements we can integrate coils with and without magnetic core, single- or Helmholtz coils, as well as permanent magnets, static and rotating.
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High-Speed Laser Mark Handler
MCT MH-3300
MH-3300™ high-speed laser mark handler is used for marking of 2DID codes on the lead frame in support of strip testing, marking of reject devices, and for final package marking in strip test or assembly operations. The MH-3300 offers unparalleled throughput performance and the best cost-of-ownership in the industry.
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High Performance Strip Handler
Rasco Jaguar
Jaguar is designed for high-volume production testing of ICs on a strip format or in device carrier. It is fully automotive qualified for tri-temperature test and the ideal solution for high parallel testing of small packages at short test times, but also for Power and Sensor devices. Due to the integrated vision alignment and high precision linear motors, Jaguar provides high yield and excellent OEE.
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Kelvin Test Contactor
cCruiser
cCruiser™ Kelvin contactor was designed with cost of test optimization in mind, boasting a cantilever design that allows the testing of challenging discrete ICs and small logic package types. Providing a best-in-class proven lifespan of up to 5 million touchdowns increasing handler uptime. cCruiser reduces the cost of test for customers significantly, lasting longer and testing longer than previous contact solutions.cCruiser is the versatile solution for testing small discrete ICs. Its side-by-side Kelvin design is optimized for tri-temp capable insulation layer with extended Automotive temperature range -60°C to + 175°C. Contact socket is G-Pin footprint compatible with a contact spring wear out zone. Featuring conventional onboard socket contact mounting and 80 mΩ low and stable contact resistance. Denmark base material with various plating options, including pure Springs, LEDA, cGold and “state of the art” Thebe.
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Test Contactor
cDragon
cDragon™ Test Contactor pin’s thermal design supports fast temperature control response and stabilization for repeatable at temperature testing of devices in a handler environment.The homogenous MEMS elastomer-free multi-beam pin delivers long life and high wear resistance. By design the cDragon’s pin decouples insertion motion from the test-interface-board side of the pin. This eliminates test-interface-board pad wear.
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Configurable OSAT Friendly Pick-and-Place Handler
Delta Eclipse
Eclipse delivers scalable performance for testing a wide range of semiconductors, from analog ICs to high-performance CPUs and mobile processors. The Eclipse is a high-speed pick-and-place handler designed to test up to 16 Integrated Circuits (ICs) in parallel, at temperatures from -45°C to +155°C*, with throughput up to 13,000 UPH.
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Kelvin Test Contactor
ecoAmp
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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Air-Cooled Universal Test Platform
Diamondx
Diamondx semiconductor test system extends Cohu’s low-cost, high-throughput production test solution platforms to high pin count, higher site count wireless, mobility, SOC, Flat Panel Display drivers, Power Management, and microcontrollers. Designed to meet the cost drivers IC companies face, Diamondx extends Cohu’s leadership in lowering the cost of operations.