How to Perform On-Wafer Id-Vd Testing

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Parameter Analyzer
+ Parameter Analyzer
Parameter Analyzer
+ Parameter Analyzer

Measure MOSFET Id-Vd Characteristics

On-wafer Id–Vd testing requires applying controlled drain-source voltage sweeps while stepping gate voltage to observe current response in a metal-oxide-semiconductor field-effect transistor (MOSFET). The measurement setup includes source measure units configured for precise voltage sourcing and current measurement, along with probe station connections to access the device under test at wafer level.

The characterization process involves configuring channel mapping, defining voltage sweep conditions, and executing automated measurements to capture Id–Vd curves. The resulting data is analyzed to identify cutoff, linear, and saturation regions and to extract key device characteristics for modeling and validation. Accurate results depend on proper bias configuration, stable probing conditions, and synchronized measurement control..

On-Wafer Id-Vd Test Solution

Performing on-wafer Id–Vd testing requires precise control of voltage sweeps and accurate current measurement across semiconductor devices. This solution integrates a semiconductor device analyzer with EasyEXPERT software to provide a complete parametric test environment. It enables automated Id–Vd sweeps across multiple gate voltages, real-time visualization of measurement data, and identification of MOSFET operating regions. The system supports probe station integration for wafer-level access and simplifies setup through guided measurement sequences and pre-configured test libraries. This approach ensures repeatable measurements, efficient test execution, and reliable data for device characterization and modeling.
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