Aluminum Nitride (AlN) ceramic rings are high-performance specialized ceramic components made from high-purity aluminum nitride powder through precision molding and high-temperature sintering processes. With outstanding thermal conductivity, electrical insulation, high-temperature resistance, and low thermal expansion coefficient, AlN ceramic rings are widely used in semiconductor equipment, high-power LEDs, RF/microwave devices, and other fields, making them an indispensable key material in modern industry.
Core Features & Advantages
1、Exceptional Thermal Conductivity
Thermal conductivity up to 170-220 W/(m·K), close to that of aluminum and far exceeding alumina ceramics (~30 W/(m·K)), ensuring efficient heat dissipation for high-power devices.
2、Superior Electrical Insulation
Volume resistivity >10¹⁴ Ω·cm, low dielectric constant (8-9), suitable for high-frequency and high-voltage environments, ensuring safe and stable circuit operation.
3、High-Temperature Stability
Withstands temperatures up to 2200°C, maintaining structural stability under extreme thermal cycling conditions and exhibiting excellent thermal shock resistance.
4、Low Thermal Expansion Coefficient
Thermal expansion coefficient (4.5×10⁻⁶/℃–4.9×10⁻⁶/℃) matches silicon (Si) chips, reducing thermal stress and extending device lifespan.
5、Chemical Inertness & Mechanical Strength
Resistant to acid/alkali corrosion and oxidation; high hardness (Mohs 8-9), wear-resistant, and impact-resistant.
Item No :
aluminum nitride (ALN) ringSize :
customizationProduct Origin :
CHINAColor :
Gray-whiteAluminum Nitride ceramic rings, with their three core values—efficient heat dissipation, reliable insulation, and extreme environment resistance—are the preferred material for high-end manufacturing. Whether upgrading existing equipment or developing next-generation electronic devices, we provide professional solutions.
Data Sheet
| Properties | Condition | Units | AN-180 |
| Density | -- |
g/cm3 |
3.32 |
| Thermal conductivity | 25℃ |
W/m·K |
180 |
| Bending strength | 3-point method,25℃ |
MPa |
410 |
| Insulation | 25℃ |
KV/mm |
31 |
| Volume resistity | 25℃ |
Ω·cm |
3.4×1014 |
| Dielectric constant | 1MHz |
— — |
8.8 |
| Dielectric loss | 1MHz |
— — |
6.5×10-4 |
| CTE | 25~400℃ |
×10-6/K |
4.6 |
Our advantage
Xiamen Juci Technology has a plant area of 30,000 square meters, and the production workshop is equipped with 30 sets of single sintering furnaces, as well as 8 sets of advanced continuous sintering furnaces, with a production capacity of up to 1,000 tons/year of aluminum nitride powder. The testing center is about 800 square meters, equipped with more than 100 sets of professional powder and ceramics testing equipments such as scanning electron microscope, particle size meter, nitrogen-oxygen analyzer, powder comprehensive tester, thermal conductivity meter and so on. The company has a R&D center with an area of 1200 square meters, equipped with more than 40 sets of R&D special equipment, and a R&D team of more than 30 people who constantly promote product optimization and innovation, so that the company can maintain its competitive advantage in the fierce market competition.
Contact US:Request technical specifications or samples to enhance your project’s thermal management and stability!
Xiamen Juci Technology Co., Ltd.
Phone: +86 592 7080230
Email: miki_huang@chinajuci.com
Website: www.jucialnglobal.com
ISO Cetrificate
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WhatsApp : +8618250812806
Email : chenxiaofang@chinajuci.com
Tel : +8618250812806
