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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Different substrate carriers for wafers up to 200 mm or single dies
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Probe cards and/or up to eight positioners
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Ice- and condensation-free probing down to 77 K (liquid nitrogen) or below 20 K (liquid helium)
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Probe positioners placed inside vacuum chamber
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Joystick controller
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Manual probe positioners with rotary feed-throughs
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User-centered design minimizes training costs and enhances efficiency
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Comprehensive alignment functions – from simple wafer alignment and mapping to automated alignment and test of multiple singulated chips, like IR – Focal Plane Arrays

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Low running costs, less vibration, less noise, reduced maintenance
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Large convenient experimental access: Up to 12 line-of-sight ISO100 ports located on perimeter of plates
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CMN calibrated thermometry on MC plate
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Operation via touch panel controller: Remote operation via ethernet interface

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Different substrate carriers for wafers up to 200 mm or single dies
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Probe cards and/or up to eight positioners
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Independently cooled cold shield
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Probe positioners placed inside vacuum chamber
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Intuitive, manual drives
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Front loading capability through load door
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Independent control of linear chuck stage and positioners
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Contact/separation stroke for chuck

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Customizable configuration up to 25 contacts: RF, Eye-Pass power, ground, logic
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Lithographically-defined tips allow automated over temperature measurement on pads as small as 30 µm x 50 µm
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Low and repeatable contact resistance on aluminum pads (< 0.05 Ω) ensures accurate results
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Durable probe structure ensures more than 250,000 contacts
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Able to measure from -40°C to +125°C without compromising performance or accuracy of specifications

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Light-tight version and EMI-shielded version for low noise and light-sensitive measurements
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Application flexibility, ideal for use in high frequency applications
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Sized to accommodate thermal chucks, laser cutter, and video equipment on the probe system
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Suitable for integration with vibration isolating tables

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Continues the Infinity family’s Industry leading electrical performance
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High temperature capability (175° C +) for automotive device characterization and other applications
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Better tip visibility for enhanced placement accuracy and repeatability
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Improved tip life/durability with solid rhodium contacts
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New tip architecture enables support for narrower pitches (e.g. 25um)
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Advanced mechanical design combined with small contacts enables probing on smaller pads/pitches and improves durability and robustness

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Functional temperature range of -263 to +150°C
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Stainless steel tip material for thermal decoupling
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Coaxial cable with TCE matched inner and outer conductors
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Consistent tip geometry even at cryogenic temperatures

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Unique Air Coplanar tip design with choice of beryllium copper (BeCu) or tungsten tip material
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DC to 110 GHz models available in single and dual line versions
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Low insertion and return loss with ultra-low-loss ( -L ) versions
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Excellent crosstalk characteristics
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Wide operating temperature -65 ° C to + 200 ° C
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Wide range of pitches available, from 50 to 1250 µm
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Individually supported contacts
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Reduced contact (RC) probe tips for small pads
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BeCu tip provides rugged, repeatable contact on gold pads

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Different substrate carriers for wafers up to 100 mm or single dies
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Up to six positioners
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Independently cooled cold shield
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Probe positioners placed inside vacuum chamber
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Ergonomic and straightforward design
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Simple microscope operation
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Independent control of linear chuck stage and positioners
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Contact/separation stroke for probe platen

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
