FormFactor - Cascade ACP Probe – Cryo/Vacuum - Superior mechanical properties at cryogenic temperatures
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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
Designed to provide superior mechanical properties at cryogenic temperatures while maintaining solid RF measurement performance. Functional temperature range of -263 to + 150 ° C. Consistent tip geometry even at cryogenic temperatures.
More Product Information

T-Wave Waveguide Banded Probes
- Low insertion loss
- Low contact resistance
- 140 GHz – 1.1 THz versions
- Probe pitch as narrow as 25 μm
- Lithographically-defined probe tip
- Nickel contacts
See "Specifications & Details" tab for more key features

- Designed for use with specific Probe Systems
- Tables to suit all facility requirements and applications
- Stable probing, even in submicron range
- Granite platen ensures rigidity and temperature stability
- Can be combined with the Shield Enclosures

- Ultra-low, fA-level current and fF-level capacitance measurements from -65 °C to + 300 °C
- Guarantees fully-guarded measurements to fA and fF levels
- Individual connectors provide force-sense connection for quasi-Kelvin and CV measurements
- Allows probing of different pad materials and sizes
- Fast replacement of worn probes without the need for tools

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Best price per contact – typically over one million (1,000,000) touchdowns
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RF/Microwave signal is shielded and completely air isolated in the probe body
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Excellent performance in vacuum environments and temperatures as low as 4 K, or as high as 300°C
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Highest impedance control with perfectly-symmetrical, MEMS-machined coplanar contact structure
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Probe on any pad material with minimal damage

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Combination of DC and RF in a single probe module: One dual probe or a maximum of three RF; a maximum of 9 DC standard (other quantities upon request).
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Utilizes ACP tip design, GSG, GS or SG
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RF tips available from DC to 110 GHz
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Choice of BeCu or tungsten tips
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DC power needles come standard with 100 pF microwave capacitor
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Power bypass inductance: 8 nH
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Maximum DC voltage: 50 V without power bypassing (25 V with standard power bypassing, and component dependent with custom power bypassing)
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Ideal for probing the entire circuit for functional test
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Dual ACP configuration supports differential signaling applications
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DC probes can provide power or slow logic to circuit under test

Flexibility
- Different substrate carriers for wafers up to 200 mm or single dies
- Probe cards and/or up to eight positioners
- Use with liquid nitrogen or helium, depending on the target temperature
- Accessories available, such as black bodies and optical motion analysis tools
- Designed for industrial environments
- Covers wide range of measurements (I-V, C-V, RF, MEMS, OPTO)
See "Specifications & Details" tab for more key features

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

- Maximized Field-of-View with Ultra-Sharp Image Quality
- Slim Design
- Patent-Pending Crash Protection
- Intelligent Lens Mount
- Application Flexibility
- Seamless Integration with Velox Probe Station Control Software
- Autonomous Measurement Assistants
- Remote Operation
See "Specifications & Details" tab for more information

- Enables coaxial measurements up to 10,000 V and 300 A pulsed (600 A in a parallel configuration) with a single touchdown
- Even distribution of high current with innovative multi-fingertip design
- Compatible with TESLA 200/300 mm power device characterization system
- Reduced measurement time by testing both high-voltage and high-current conditions with a single touchdown
- Accurate characterization of a wide range of pad sizes and test currents, with minimum pad damage and contact resistance
- Safe, reliable and repeatable high-current/voltage measurements over a wide temperature range (from -55°C to +300°C)

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

