Special Anti-interference Material Non-magnetic Tungsten Carbide Core Ring
μ-grade non-magnetic tungsten carbide core ring with magnetic permeability of <1.002
When precision measurement encounters magnetic field interference, this non-magnetic core ring provides the ideal solution. Precision-manufactured using nickel-bonded tungsten carbide (WC-Ni) with a special demagnetization process, it eliminates magnetic interference issues associated with traditional tungsten steel parts. Ensures zero magnetic interference, high precision, and long-life stable operation in magnetic field-sensitive environments.
Non-Magnetic Principle: A Breakthrough in Materials Science
- Non-Magnetic Mechanism:
- Nickel-based binder phase replaces traditional cobalt phase
- Magnetic permeability controlled to <1.002
- Residual magnetization <0.05 mT
- Matrix material: 90% WC + 10% Ni, non-magnetic formula
- Hardness: 92 HRA (Vickers hardness 1800 HV)
- Density: 14.8-15.1 g/cm³
- Resistivity: 0.8-1.2 μΩ*m
Applications
Consumer Electronics Manufacturing
- Mobile phone camera module soldering
- Micro connector soldering
- TWS earphone component soldering
Semiconductor Packaging
- BGA chip packaging soldering
- CSP chip-scale packaging
- Wafer-level soldering
Automotive Electronics
- Automotive sensor soldering
- ECU control unit soldering
- In-vehicle camera modules
Medical Electronics
- Medical sensor soldering
- Implantable device packaging
- Diagnostic device manufacturing
Product Specifications
| Parameter Type |
Specification Value |
Accuracy Standard |
| Nominal Aperture |
450µm |
±1µm |
| Aperture Circularity |
≤0.5µm |
(inspected by industrial endoscope) |
| Flow Channel Roughness |
Ra ≤0.1µm |
(certified by white light interferometry) |
| Material Hardness |
91.5 HRA |
(Rockwell hardness tester) |
| Heat Deflection |
≤0.001mm/100°C |
(tested by thermal expansion tester) |
The above data is for reference only. Customization is possible upon request.