Category | Ceramic , Oxide , Aluminum Oxide |
Manufacturer | Mateck GmbH |
Trade Name | |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Mateck Sapphire Aluminium oxide Substrate, Al2O3.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 3.98 g/cc | 0.144 lb/in³ | |
a Lattice Constant | 4.77 Å | 4.77 Å | |
c Lattice Constant | 13.04 Å | 13.04 Å |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 5.00 µm/m-°C | 2.78 µin/in-°F | perpendicular C-axis |
6.70 µm/m-°C | 3.72 µin/in-°F | parallel C-axis | |
Melting Point | 2040 °C | 3700 °F |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Dielectric Constant | 9.0 | 9.0 | parallel c-axis |
11.5 | 11.5 | perpendicular c-axis | |
Dielectric Loss Index | 0.000030 @Frequency 1.00e+10 Hz |
0.000030 @Frequency 1.00e+10 Hz |
parallel C-axis |
0.000086 @Frequency 1.00e+10 Hz |
0.000086 @Frequency 1.00e+10 Hz |
perpendicular C-axis |
Descriptive Properties | Value | Comments |
---|---|---|
Flatness (µm/10mm), max | 0.3 | |
Growth Techniques | Czochralski | |
Orientation | (0001), (1-102), (11-20) | |
Orientation Accuracy ( ° ), Max | 0.5 | |
Parallelness ( ° ), max | 0.3 | |
Polishing | one side or both sides epi-polished | |
Production Method | Czochralski, HEM, Verneuil | |
Roughness of surface (angstroms), max | 10 | |
Scratches | none | |
Standard Size (mm) | 10 x 10 x 1 or 0.5 | |
State | monocrystalline | |
Structure | hexagonal | |
Surface Quality | with light microscope without defects | |
Tolerance of Length (mm) | ± 0.02 | |
Tolerance of Thickness (mm) | ± 0.02 |