FormFactor - Cascade WPH Probe - Multi-contact DC probe with full-radius needles
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Full-radius, nickel-plated tungsten needles
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Power bypass inductance: 16 nH
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Supports collinear and non-standard needle configurations
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Support up to a maximum of 12 ceramic blades DC needles / contacts
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Ideal for probing the entire circuit for functional test
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DC probes can provide power or slow logic to circuit under test
The WPH probes feature up to 12 ceramic-bladed, nickel-plated, tungsten needles with a 2 x 12 square pin cable interface. The circuit board has been laid out such that both series and shunt components can be added to the signal path of each needle.
More Product Information

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Up to 12 contacts; any contact can be DC, Power, Logic to 500 MHz,or RF to 20 GHz
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Online design configuration tool helps you to specify your probe in minutes
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All designs are fully quadrant compatible
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Full solution includes probes, calibration substrates, stations, accessories and software
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Scalable architecture for future needs

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Revolutionary technology advancement for wafer and die-level photonics probing
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Real-time in-situ calibrations
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Highest accuracy in test results
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Lowest coupling loss
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New innovative combination of hardware and software features to align and optimize fibers/arrays in a wafer-level trench
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Minimized coupling losses with minimal trench dimensions
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Industry standard for vertical coupling to wafer-level grating couplers
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Dark, shielded and frost-free
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-40°C to +125°C
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Pioneering set of automated functions that perform critical calibrations of the optical positioning system to the probe station
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Exclusive FormFactor-developed automated test methodology
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FormFactor-developed graphical user interface to manually control the optical positioning system
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Configurable between single fibers, fiber arrays and edge coupling holders

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Ease of use – Less experienced operators can perform DC measurements by simply pushing a button. This reduces the need of experienced users full time on each system.
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Reduced Soak Time – The system will automatically re-align the probes to the pads if they drift from alignment. This reduces test time and increases throughput.
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Unattended Use – Measurements can be left running over night or the weekend, testing all devices on the wafer, and at different temperatures without the need of an operator.

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DC, AC and RF/microwave device characterization, 1/f, WLR, FA and design debug
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Full thermal range of -60°C to +300°C
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Reliable and repeatable contact
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Moisture-free, light-tight and EMI-shielded test environment with MicroChamber® technology
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Enables full access to the chuck and the auxiliary sites
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Intuitive, and precise movement of chuck in X, Y, and Z-direction
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High thermal stability components
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On-axis probe-to-pad alignment
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Flexibility from hot only to full thermal range of -60°C to +300°C
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Thermally induced drift can be automatically re-aligned for 30 μm pads in a temperature range from -40°C to 150°C (the effective temperature range depends on pad size, probe card holder and probe card)
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3 performance level configurations (fully-shielded / shielded / open)
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Test automation out-of-cassette for higher test cell efficiency for over-night/over-weekend operation
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User-centered design minimizes training costs and enhances efficiency

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Load-lock chamber: Cycle devices 10X faster in a cryogenic environment
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High-density electrical interface at cryogenic temperatures: More pins on the device enables more test structures to be probed with a single cooldown
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Base temperature of < 2K or < 4K with high cooling power: Test devices at the temperatures that matter most for pre- screening and evaluating device performance
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Low vibration: Stable contact with the device under test and enables low noise measurements

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Proven technology: designed in conjunction with several top STM groups in the world
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Quiet, low vibration operation
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Low running costs and reduced maintenance
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Easy operation and fast cool-down; load sample when the system is cold for TL models
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Calibrated RuO and CMN thermometry read by model 372S resistance bridge are installed on the mixing chamber plate

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Ease of use – Less experienced operators can perform an RF calibration up to 500 GHz by simply pushing a button. This reduces the need of experienced users full time on each system.
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Reduced Soak Time – The system will automatically re-align the probes to the pads if they drift from alignment. This reduces test time and increases throughput.
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Unattended Use – Measurements can be left running over night or the weekend, testing all devices on the wafer, and at different temperatures without the need of an operator.
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Calibration Monitor and Re-calibration – System will
continuously monitor calibration drift, and automatically re-calibrate the system should the drift exceed a predefined limit.

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Comprehensive I/O connections: Standard setup of up to 24 RF lines (up to 20 GHz) and 48 DC lines, with extensions to higher I/O connections possible.
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Non-magnetic construction: Capable of characterizing qubits below 50 mK without magnetic interference when required.
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Sample size: Proven with chips up to 10×10 mm in size.
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Pressure-based contact: Connect test and measurement I/O to DUT pads using pressure only. No permanent connection required.

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Ideal for a wide range of applications such as RF, mm-Wave and sub-THz characterization, FA, DWC, MEMS, optoelectronic tests and WL
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Re-configurable and upgradable as requirements grow
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Minimizes setup times with no loss in performance or accuracy
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Seamless integration of various measurement instruments
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Solid station frame
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Built-in vibration-isolation solution for superior vibration attenuation
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Rigid microscope bridge
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Compact and rigid mechanical design
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Highly accurate measurement results
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Incorporates best-known methods
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Ergonomic and straightforward design for comfortable and easy operation
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Low-profile design
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Simple microscope operation
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Quick and ergonomic change of DUT through pull-out stage
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Minimize training efforts
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Fast time to data
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Convenient operation

FormFactor, Inc.
FormFactor, Inc. (NASDAQ:FORM) is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design de-bug, to qualification and production test.
We constantly strive to help our customers solve the advanced test and measurement challenges of the broader semiconductor industry. Our focus on customer partnership, innovation, agility and operational excellence allows us to earn sustainable business every day.
Contact Details
FormFactor, Inc. Corporate Headquarters
7005 Southfront Road, Livermore, CA 94551, USA
Phone: 925-290-4000
Test & Measurement
