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--Beryllium Oxide(BeO) Substrate |
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--Application |
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⊙ Thin Film. |
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--Features |
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⊙ Excell thermal conductivity, High insulation performance, Good mechanical strength. |
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--Material Characteristics Table |
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Item |
Unit |
Index |
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Density |
—— |
g/cm3 |
2.85 |
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Water Absorptivity |
—— |
% |
0 |
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Surface Roughness |
Ra |
μm |
0.05~0.50 |
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Color |
—— |
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白色 |
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Flexural Strength |
25℃ |
MPa |
140 |
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Warping Degree |
25℃ |
inch / inch |
0.05~0.10 |
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Thermal Conductivity |
25℃ |
W/m·K |
≥270 |
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Coefficient of Expansion |
20~400℃ |
1×10e-6/℃ |
7.80 |
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Dielectric Strength |
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DC,KV/mm |
≥15.0 |
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Dielectric Constant |
20℃, 1MHz |
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6.5 |
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20℃, 10GHz |
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6.3 |
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Dielectric Loss |
20℃, 1MHz |
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0.0004 |
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20℃, 10GHz |
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0.0008 |
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Bulk Resistivity |
25℃ |
Ω·cm |
1.0×10e+14 |
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300℃ |
Ω·cm |
1.0×10e+11 |
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--Size Choice |
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Code |
Type |
T-inch (mm) |
L & W -inch (mm) |
T Tolerance |
Application |
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F |
As-Fired |
0.010 (0.254) |
2.0*2.0 (50.8*50.8) |
±10.0% |
Thick Flim |
| 0.015 (0.381) |
3.0*3.0 (76.2*76.2) |
| 0.020 (0.508), |
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| 0.025 (0.635) |
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G |
Polished |
0.010 (0.254) |
2.0*2.0 (50.8*50.8) |
±5.0% |
Thin Film |
| 0.015 (0.381) |
3.0*3.0 (76.2*76.2) |
| 0.020 (0.508) |
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| 0.025 (0.635) |
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