Contact Spot
ContactSpot – Contact Resistivity Measurement System
An automated system for measuring contact resistivity, line resistance, and sheet resistance of solar cell metallization, providing fast, accurate, and repeatable results for R&D and production quality control.
Key Technical Specifications:
- Measures contact resistivity, line resistance, and sheet resistance
- Test time: < 30 seconds (including sample loading and alignment)
- Resistance measurement range: 0.1 – 1000 Ω
- Measurement accuracy: ±0.4%
- Repeatability: ±0.4%
- 10 current injection and 10 voltage measurement probes
- Integrated microscope with X-Theta alignment
- Optional 4-point probe head for sheet and bulk resistivity measurement
