Four-Point Probe Heads
- Standard Probe Tip Separation:
1mm in linear array. Various arrays made to customer’s
specifications are available.
- Probe Needles:
Carbide Needles with a tip radius of 25 µm,
100 µm, 300 µm, and
standard. Other tip radii can be made to customer’s
- Probe Guiding:
Each probe needle is jewel guided near each end and is hand polished to
best fit the jewel.
- Probe Spring Loading:
needle is individually biased by a spring. The loading force is
adjustable between 90g to 200g. Other adjustable ranges are available
according to customer’s specifications.
- Maximum Needle Retraction:
The standard retraction during probing is 0.5mm. Other specifications
- Insulation: 150 Volts maximum voltage difference and 1013Ohm
- Dimensions: Available in various designs upon request.