Photoveel II and Photoveel II-S - Machinable Nitride Ceramics
Photoveel II and Photoveel II-S are the enabling materials for the next generation probe card. Holes with diameters as small as 40 microns and 60 micron pitch can be drilled into Photoveel II and II-S.
Applications
- Various Inspection Parts
- Insulation parts for micro machining
Properties of Photoveel II & Photoveel II-S
| Photoveel II | Photoveel II-S | |||
| General Properties | Characteristics | High strength | High strength | |
| Main Component Purity (wt%) | - | - | ||
| Color | Gray | Gray | ||
| Density (g/cm3) | 2.56 | 3.5 | ||
| Water Absorption (%) | 0 | 0 | ||
| Mechanical Properties | Bending Strength (MPa) | 440 | 320 | |
| Young's Modulus (GPa) | 157 | 130 | ||
| Vickers Hardness (GPa) | 2.3 | 2.3 | ||
| Thermal Properties | Max.Operating Temperature (°C) | 1000 (In nonoxidizing atmosphere) |
1000 (In nonoxidizing atmosphere) |
|
| Coefficient of Thermal Expansion (1/°C×10-6) | 1.4 (RT~400°C) | 4.7 (RT~150°C) | ||
| Coefficient of Thermal Conductivity (W/m×K) | 50 | 23 | ||
| Thermal Shock Resistance ΔT (°C) | 600 | 400 | ||
| Electrical Properties | Volume Resistivity | 25°C | 2.2×1015 | 1015 |
| 300°C | - | - | ||
| 500°C | - | - | ||
| 800°C | - | - | ||
| Dielectric Constant | 10GHz | 5.5 | 9 | |
| Dielectric Loss (×10-4) | 10 | 25 | ||
| Q Factor (×104) | 0.1 | 0.04 | ||
| Dielectric Breakdown Voltage (KV/mm) | 35 | 30 | ||