We will introduce some examples of sapphire processing.
Sapphire transmits light, but is also very hard, scratch-resistant, and strong.In cases where the glass cannot be used due to scratches or insufficient strength, we process sapphire products.
Sapphire (Al₂O₃)
Transparency · High Hardness · High Strength
Typical properties of sapphire and quartz glass
| Item | Purity (%) |
Organization | Hardness (GPa) |
Flexural Strength(GPa) | Young’s Modulus (GPa) |
Coefficient of Thermal Expansion (×10-⁶/ ℃) |
Thermal Conductivity (W/(m·K)) |
Volume Resistivity (Ω･㎝) |
|---|---|---|---|---|---|---|---|---|
| Material Chemical Formula |
||||||||
| Sapphire (Al₂O₃) |
99.99 | Crystal | 23 | 700 | 470 | 7.2 (C axis) |
42 | >10¹⁴ |
| Quartz (SiO₂) |
99.99 | Amorphous | 9 | 94 | 74 | 0.64 | 1 | 5 ×10¹⁶ |
Machinable Sizes
| Item | Sizes (mm) | Item | Sizes (mm) |
|---|---|---|---|
| Plate Dimensions | Φ150 × t10 | Hole Diameter | Φ0.2– |
| Rod Dimensions | Φ50 × 200 | Hole Depth | 20D(–Φ1.5)、300(Φ1.5–) |
| Grooves | Width 0.2– | Number of Holes | –300 |
| Steps (Protrusions / Recesses) | 20 | Threads | M2– |