0.003mm Micro Gold Coated Tungsten Wire Anti-Corrosion for Semiconductor Bonding
High purity tungsten base with dense gold layer, excellent anti-corrosion and oxidation resistance, ideal for ultra-fine semiconductor bonding and micro electronic assembly.
Product Specifications
| Material |
Tungsten |
| Purity |
Wu≥ 99.99% |
| Gold-plated thickness |
0.3um |
| Wire diameter |
0.02mm/0.03mm/0.04mm/0.05mm/0.06mm/0.07mm/0.1mm/0.2mm |
| Length |
1000/2000 meter (cut from roll) |
Gold Plated Tungsten Wire Properties (Theoretical)
| Compound Formula |
W |
| Molecular Weight |
183.84 |
| Appearance |
Metallic wire |
| Melting Point |
3410 °C |
| Boiling Point |
5660 °C |
| Density |
19.3 g/cm³ (25 °C) |
| Solubility in H₂O |
N/A |
| Electrical Resistivity |
4.9 μΩ-cm, (20 °C) |
| Exact Mass |
183.951 g/mol |
| Monoisotopic Mass |
183.951 g/mol |
Key Features
- Shiny golden surface condition - brighter than black or white tungsten wire
- Exceptional high temperature resistance and high melting point
- Low coefficient of thermal expansion
- Superior corrosion resistance compared to ordinary tungsten wire
Applications
- Electrode in photocopiers, replacing corrosion-resistant tungsten wire and tungsten aluminum wire
- Ideal corrosion-resistant electron emission material
- Applications in high-energy physics, meteorology, and other scientific research fields
Product Images