Beryllium oxide substrates are made of high-purity beryllium oxide ceramics.Beryllium oxide is the best ceramic thermal conductor and competes with the most conductive metals,?and its electrical isolation is equivalent to that of alumina and the best electrical insulators.
Testing Entries | Testing Conditions | Properties |
Flexural Strength | / | ≥170MPa |
Thermal Conductivity | 25℃ | ≥250W/m·k |
100℃ | ≥190W/m·k | |
Permittivity | 1MHz 20℃ | 6.5-7.5 |
10GHz 20℃ | 6.5-7.5 | |
Volume Resistivity | 25℃ | ≥10^14Ω·cm |
300℃ | ≥10^11Ω·cm |