| Customization: | Available |
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| Application: | Refractory, Structure Ceramic, Industrial Ceramic, Semiconductor |
| Type: | Ceramic Plates |
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| Material | Aluminum nitride (AlN), alumina(al2o3), zirconia(ZrO2), silicon nitride(Si3N4), silicon carbide(SiC) |
| Color | Gray, black, white, pink, ivory, yellowish available |
| Typical thickness | 0.385mm, 0.50mm, 0.635mm, 1.0mm, 1.2mm and 1.5mm |
| Dimensional capability | Max. side-length to be 500mm by 400mm, Max OD to be 400mm |
| Tolerance | OD can be ± 0.01mm, Thickness can be ± 0.005mm |
| Surface treatment: | natural surface, lapping, diamond-like polishing, metallization, glazed |
The main features of the AlN ceramic sheet
1. High thermal conductivity (170 ~220) W/m.k, it's 5~8.5 times higher than that of alumina
2. Similar coefficient of thermal expansion to that of silicon (Si), it helps to achieve high reliability of Si chip
3. High insulation resistance and voltage resistance strength, but low dielectric constant and dielectric loss
4. High mechanical strength, it's up to 450MPa and very dense ceramic body free of porosity
5. It offers very high purity up to 99%, also it's free of toxicity and meets RoHS, REACH regulation
The description of AlN ceramic sheet
The Aluminum nitride ceramic sheet has a 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 equipment 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.
AlN substrate can be the best solution in electronics applications where strict conditions are required, such as power modules (MOSFET, IGBT), LED packages for cooling and protecting circuits, packages, and modules.
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