Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd
Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd
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Micron-grade Conductive Pioneer Nickel-plated Custom Tungsten Carbide Needle
The precision probe with electroplated nickel layer, with ultra-low contact resistance of 0.02Ω and HV500 hardness coating, overcomes the wear and oxidation pain points of ordinary gold-plated needles, and achieves zero-attenuation transmission of microampere-level signals in the fields of semiconductor testing and medical electrodes.
Spec-matrix:
| Parameter | Standard Value | Ultimate Accuracy | Test Standard |
| Diameter Range | Φ0.1-2.0mm | Φ0.05mm (Microneedle | Laser Diameter Gauge |
| Coating Thickness | 5±0.5μm | ±0.2μm | XRF Spectrometer |
| Straightness | ≤0.003mm/30mm | 0.001mm/30mm | VDI 2617 |
| Coating Hardness | HV500±50 | Nanoindenter Fully Tested | ISO 14577 |
| Contact Resistance | 0.02Ω±0.005Ω | Four-Wire Measurement | IEC 60512 |
Note: The above data is for reference only, please contact us for customization.
Performance Advantages:
- Contact Resistance: 0.02-0.05Ω (90% lower than stainless steel pins)
- Wear Life: >1,000,000 plug-in/plug cycles
- Corrosion Resistance: Passed 96h salt spray test
Application:
Semiconductor Testing
- Wafer-Level Probe Card (0.1mm Φ Microneedle Array)
- BGA Package Testing (50μm Pitch Continuity)
- Third-Generation GaN Semiconductor Device Testing (High Temperature Resistance up to 400°C)
Medical Electronics
- Implantable Neural Electrodes (Biocompatibility Certified)
- Blood Glucose Monitor Probes (Resistant to Antibody Corrosion)
- Endoscope Contacts (>500 Sterilization Cycles)
Precision Industry
- PCB Flying Probe Testing (0.3mm Continuity)
- New Energy Battery Probes (Resistant to Electrolyte Corrosion)
- Micro Connectors (Insertion and Removal Force ≤0.5N)
