Ceramic Substrate
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- Supplier: Shanghai Gongtao Ceramics Co. Ltd. [Shanghai China]Shanghai
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Product Overview
Description
Ceramic Substrate
We can produce substrate from alumina,zirconia,quartz,magnesia ect.
Size:standard or customized.
Thickness:0.2mm,0.5mm,1mm,10mm ect
Material
Property | Unit | AL997 | AL95 | SHSM90 | SHSM60 |
Al2o3 | —— | 99.70% | 95-96% | 72-74 | >60 |
Color | —— | yellow or cream | white | white | white |
Gas tightness | —— | gas-tight | gas-tight | No tight | No tight |
Density | g/c | 3.94 | 3.75 | 2.6-2.7 | 2.4-2.5 |
Straightness | —— | 2‰ | 2‰ | —— | —— |
Hardness | Moh's hardness | 9 | 8.8 | 7.5 | 7.5 |
Water absorption | —— | ≤0.2 | ≤0.2 | 6-7% | 9-10% |
Bending strength (20C) | Mpa | 375 | 304 | 280 | 205 |
Compression strength (20C) | Mpa | 2300 | 1910 | —— | —— |
Coefficient of thermal expansion (25C to 800C) | 10^6/℃ | 7.6 | 7.6 | 6 | 6.2 |
Insulation strength (5mm thickness) | AC-kv/mm | 10 | 10 | 10 | 10 |
Dielectric loss 25 C@1MHz | —— | ≤0.0001 | 0.0004 | —— | —— |
Volume resistivity(20C) (300C) | Ω-c m2 | >10^14 >10^10 | >10^14 >10^10 | >10^14 >10^10 | >10^14 >10^10 |
Max temperature | C | 1800C | 1600C | 1350 | 1300 |
Thermal conductivity (25C) | W/m^cK | 35 | 20 | 17 | 16 |
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