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Alumina (Al2O3) Ceramic Substrate
New product
Alumina (Al2O3) Substrate has emerged as one of the most widely utilized materials for circuit boards, owing to its exceptional breaking strength, enhanced heat and insulation, and thermal conductivity. Heeger Materials provides top-quality Al2O3 Substrate at competitive prices, offering laser processing services for line cutting and hole punching on substrates, ensuring precision up to ±0.05mm.
Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.
Data sheet
| Materials | Al2O3 |
| Purity | 95%, 97%, 99%, 99.7%, or customized |
| Size | customized |
More info
Alumina (Al2O3) Substrate has become one of the most-used circuit board materials because of its excellent breaking strength, improved heat and insulation properties, and thermal conductivity. has superb performance in electrical insulation, high chemical resistance, and low thermal expansion. It has become the most widely used ceramic substrate due to its relatively simple production process, low cost, and cheap price. 
Alumina (Al2O3) Ceramic Substrate Properties
Composition | UNIT | HM-Al95 | HM-Al99 | HM-Al997 |
AL2O3 Content | % | 95 | 99 | 99.7 |
Color |
| White | Ivory | Ivory |
Tensile Strength | Kpsi | 32 | 38 | 36 |
Flexural Strength | Kpsi | 52 | 55 | 54 |
Compressive Strength | Kpsi | 300 | 377 | 350 |
Density | g/cc | 3.70 | 3.90 | 3.92 |
Hardness | HV, GPa | 13.8 | 17.2 | 18 |
Thermal Conductivity | W/(m K) | 25 | 30 | 30 |
Coefficient of Thermal Expansion | In / In°C (x10-6) | 7.7 | 7.8 | 7.8 |
Working Temperature | °C | 1500 | 1650 | 1750 |
Dielectric Constant |
| 9.5 | 9.7 | 9.8 |
Volume Resistivity (25°C) | Ohm-cm | >1014 | >1014 | >1014 |
*Customized services can be available according to specific drawings.
Alumina (Al2O3) Ceramic Substrate Advantages
- Excellent mechanical strength
- Improved thermal conductivity
- Good electric insulation
- Good smoothness and small warpage
- Stable breaking strength
- High resistance to wear and corrosion
Alumina (Al2O3) Ceramic Substrate Applications
- LED devices: dissipating the heat and excess thermal energy generated by the LEDs.
- Printed circuit boards (PCBs): providing stability and reliability to the electronic components.
- Power electronic devices: inverters, power modules, etc.
Alumina (Al2O3) Ceramic Substrate Packing
Alumina (Al2O3) Ceramic Substrates are carefully packaged with adhesive-free surface protection tape and cardboard boxes to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.
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