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BeO Ceramic Substrate
BeO Ceramic Substrate 2"x 2"x0.019", fine ground
- Surface finish
- fine ground 15-30 micron
| Property |
Condition |
Unit |
Value |
| Density |
|
g/cm 3 |
≥2.85 |
| BeO purity |
|
% |
≥99 |
| Tensile strength |
|
MPa |
≥140 |
| linear expansion coeff. |
20℃-500℃ |
×10 -4 /℃ |
7-8.5 |
| Thermal Conductivity |
40℃ |
W/m·k |
≥250 |
| Specific Heat |
25℃ |
cal/°C gm |
0.25 |
| Hardness |
60 |
Rockwell |
|
| Dialectic Constant |
1MHz 20℃ |
|
6.5-7.5 |
| 10GHz 20℃ |
|
6.5-7.5 |
| 1MHz 20℃ |
×10 -4 |
≤4 |
| 10GHz 20℃ |
×10 -4 |
≤8 |
| Resistivity |
100℃ |
Ω.cm |
≥1013 |
| 300℃ |
Ω.cm |
≥1010 |
| Dialectic Strength |
DC |
KV/mm |
≥15 |
| Chemical stability |
1:9HCl |
ug/cm 2 |
≤0.3 |
| 10% NaOH |
ug/cm 2 |
≤0.2 |
| Max. working Temperature |
|
℃ |
1800 |
|
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Working days : Monday to Saturday
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