FormFactor - Cascade WPH Probe - Multi-contact DC probe with full-radius needles
- Full-radius, nickel-plated tungsten needles
- Power bypass inductance: 16 nH
- Supports collinear and non-standard needle configurations
- Support up to a maximum of 12 ceramic blades DC needles / contacts
- Ideal for probing the entire circuit for functional test
- 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.
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Customized Solutions for a Variety of Challenging Applications
We are your partner for challenging applications. Our comprehensive technical and application know-how over all probe system platforms and our expertise for customized products is based on an extensive experience over many years. We offer a special demo support in-house or at the customer, as well as after sales support for complicated setups.
Flexibility
- Different substrate carriers for wafers up to 200 mm or single dies
- Probe cards and/or up to eight positioners
- Optional thermal chuck (-60°C to 300°C) and pressure regulation
- Accessories available, such as black bodies and optical motion analysis tools
- Optional upgrade for 300 mm wafer
- Designed for industrial environments
- Covers wide range of measurements (I-V, C-V, RF, MEMS, OPTO)
- Ideal for small structures
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OptoVue
- Revolutionary technology advancement for wafer and die-level photonics probing
- Real-time in-situ calibrations
- Singulated die testing
- True die-level edge coupling
- In-situ power measurements
- Advanced calibration technologies
- Enables autonomous measurements
Horizontal Die-Level Edge Coupling
- Highest accuracy in test results
- Lowest coupling loss
- Repeatable measurement results due to exclusive automated fiber-to-facet alignment technology
- Reduced risk of damaging fibers with collision avoidance technology
- Ease of use for less experienced users
- Enables close simulation of real-world conditions with device performance closest to the final application
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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
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- Lithographic thin-film construction
- Excellent crosstalk characteristics
- Non-oxidizing nickel alloy tips
- Innovative force delivery mechanism
- 40GHz, 50GHz, 67GHz, 110GHz and 145GHz connectors available
- GSG, SG, GS, GSGSG, GSSG, SGS configurations
- 50 to 250 µm pitches (other pitches available on request)
- High current version (2 A) available
Advantages
- Superior field confinement reduces unwanted couplings to nearby devices and transmission modes
- Superior measurement accuracy and repeatability
- Small scrub minimizes damage to aluminum pad
- Typical contact resistance < 0. 05 Ω on Al, <0.02Ω on Au
- Save valuable wafer space and reduce pad parasitics by being able to shrink pad geometries to 25 x 35 µ m (best case)
- 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
Superior Mechanics
- Highly stable granite base
- Independent, coarse movement of X and Y axes, combined with easy fine adjustments down to submicron ranges
- 1 µm repeatable separation stroke
- Excellent measurement accuracy and repeatability
- Fast navigation and high-precision probe positioning
See "Specifications & Details" tab for more key features
- DC-40 GHz bandwidth
- 10 ps rise time
- Low insertion and return loss
- 2 mils of tip-to-tip compliance
- High probing angle and clearance
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
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.