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Aluminum oxide ceramic is a ceramic material mainly composed of aluminum oxide (Al2O3), used in thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength, and high temperature resistance. It should be noted that ultrasonic cleaning is required. Alumina ceramics are a widely used ceramic, and due to their superior performance, their applications in modern society have become increasingly widespread, meeting the needs of daily use and special performance.
Product Description
Quality Ceramic Aluminum Nitride Structure Parts
ALN ceramic
1)High thermal conductivity of more than 170W/m. K,
2)High resistivity,
3)Low dielectric loss,
4)Good insulation,
5)Some other excellent properties
Material: aluminum nitride
The aln ceramic substrate which has high thermal conductivity of more than 170W/m. K, high resistivity, low dielectric loss, good insulation and some other excellent properties. The ALN substrate is the best choice for a wide range of industrial insulating heat sink material of high power machinery and equipments such as high-frequency equipment substrate, high power transistor module substrate, high-density hybrid circuits, microwave power devices, power semiconductor devices, power electronic devices, optoelectronic components, laser-semi-conductor, LED, IC products, and so on.
Physical Properties
Ceramic Substrates Properties | ||||
Materials |
Al2O3 |
AlN |
ZrO2 |
|
96% |
99% |
|||
Color |
White |
White |
Gray |
White |
Density(g/cm3) |
3.72 |
3.85 |
3.3 |
6.04 |
Thermal Conductivity(W/m.k) |
22.3 |
29.5 |
160-190 |
2.4 |
Thermal Expansion(x 10 -6/oC) |
8 |
8 |
4.6 |
10 |
Dielectric Strength |
1.40E+07 |
1.80E+07 |
1.40E+07 |
10 |
Dielectric Constant(at 1MHZ) |
9.5 |
9.8 |
8.7 |
29 |
Loss Tangent(x10 -4 at 1MHZ) |
3 |
2 |
5 |
1.00E-03 |
Volume Resistivity(ohm-m) |
> 10 14 |
>10 14 |
>10 14 |
|
Flexural Strength(N/mm) |
350 |
500 |
450 |
|
Application
Alumina ceramic is mainly used in large power equipment, IC MOS tube, IGBT chip heat conducting insulation, high frequency power supply, communication, mechanical equipment, strong current, high voltage, high temperature and other
Physical properties: high thermal conductivity, high voltage insulation resistance, high temperature resistant, abrasion resistant, high strength.
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