China Southern Advanced Ceramic Technology Co., Ltd.

China Southern Advanced Ceramic Technology Co., Ltd.
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Alumina Ceramic Substrate Plate
Alumina Ceramic Substrate Plate

Item : CSG-20061866

Details :

Alumina Ceramic Substrate ( Plate)

According to the different methods of processing, ceramic substrate is divided into moulding piece, laser crossed piece.

The main features:
Ceramic substrate with high temperature, electric insulation performance is high, dielectric constant and medium loss, low thermal conductivity, good stability, and chemical components such as thermal expansion coefficient of similar major advantages.


96% Alumina Ceramic Plate  Property Index
 
Item Testing condition Unit  Data
Composition  　 wt% 96.20% Al2O3, 3.55%SiO2, 0.25%Other
Color 　 　 white
Density 　 g/cm3 ≥3.80
Water Absorption 　 % 0
Grain Size 　 μm 3〜5
Hardness (HV)  Load 5N Gpa ≥15
Bending Strength 　 Mpa ≥320
Coefficient of Thermal Expansion 　 1 x 10-6mm/oC 0.04
Thermal Conductivity (20oC) W/(m.k) ≥20.9
Thermal Shock Resistance 　 ΔToC 200
Specific Heat Ratio 　 KJ/(kg.k) ≥0.8
 Insulating Strength 　 KV/mm ≥12
Volume Resistivity  (20oC) Ohm.cm ≥1014 
   (300oC) ≥1011
    (500oC) ≥109
Dielectric Constant   1MHz 　 9〜10
Tangent of Dielectric Lose Angle   1MHz 　 ≤3 x 10-4
Surface Roughness 　 μm 0.3〜0.8
Max. Using Temperature 　  °C 1520
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