Technical indicators of transparent alumina ceramic substrate
|
Parameter item |
Parameter criteria |
|
Total light transmittance (wall thickness 0.8mm) |
≥97% |
|
Surface finish (Ra) |
≤0.20um |
|
Material grain average particle size |
20-30um |
|
Bulk density |
≥3.95g/cm3 |
|
Flexural strength |
≥350MPa |
|
DC breakdown strength |
≥15KV/mm |
|
Dielectric constant |
9-10.5 C²/(N·M²) |
|
Volume resistivity |
≥4.0×1012Ω·cm |
|
Acid resistance |
≤0.7mg/cm2 |
|
Alkaline resistance |
≤0.1mg/cm2 |
|
Thermal shock resistance |
Qualified |
Keyword：
Other
High light efficiency ceramic tube series
Ordinary bump tube series
High-purity alumina grinding ball series
99 ceramic tube series
Transparent alumina ceramic substrate series
Transparent alumina ceramic parts
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