The 310×310 mm Alumina Ceramic Heat Sink Plate is a high-performance thermal management substrate manufactured from high-purity Al₂O₃ (Aluminum Oxide) ceramic material. Designed for applications that require both efficient heat transfer and electrical insulation, this large-format ceramic plate delivers exceptional performance under demanding industrial environments.
As power density continues to increase in semiconductor devices and electronic systems, conventional metal heat sinks often encounter limitations due to electrical conductivity, thermal expansion, and long-term stability issues. Alumina ceramic solves these challenges by combining stable thermal conductivity, excellent dielectric properties, corrosion resistance, and mechanical reliability in a single material platform.
Unlike traditional metal cooling plates, alumina ceramic can function as both a heat dissipation component and an insulating structure, reducing assembly complexity and improving system reliability.
With its large 310×310 mm format and precision processing capability, this ceramic plate is suitable for applications requiring wide thermal distribution areas and high structural stability.
Why Choose Alumina Ceramic Heat Sink Plates?
Advanced ceramic materials have become increasingly important in modern electronics and semiconductor manufacturing. Alumina ceramic remains one of the most widely adopted engineering ceramics due to its balance between performance and cost.
Key benefits include:
✔ Efficient thermal conductivity for heat transfer applications
✔ Excellent electrical insulation performance
✔ Stable operation under elevated temperatures
✔ High hardness and wear resistance
✔ Superior corrosion resistance in harsh environments
✔ Low thermal expansion coefficient for dimensional stability
✔ Precision-ground surfaces for high-flatness requirements
✔ Long service life with minimal performance degradation
Compared with traditional metallic materials, alumina ceramic can significantly reduce electrical risks while maintaining reliable thermal performance.
Material Options Available
Different application environments require different purity grades. Multiple Al₂O₃ compositions are available.
| Material Grade | Features | Tipikus alkalmazások |
|---|---|---|
| 95% Al₂O₃ | Economical industrial material | General thermal management |
| 96% Al₂O₃ | Improved mechanical properties | Electronic assemblies |
| 99% Al₂O₃ | High purity and enhanced insulation | Semiconductor equipment |
For semiconductor and precision systems, higher purity grades are generally preferred due to improved electrical and thermal stability.
Műszaki specifikációk
| Tétel | Specifikáció |
|---|---|
| Anyag | Alumina Ceramic (Al₂O₃) |
| Dimensions | 310 × 310 mm |
| Vastagság | 0.5–10 mm Customizable |
| Sűrűség | 3.6–3.9 g/cm³ |
| Hővezető képesség | 20–30 W/m·K |
| Dielektromos szilárdság | ≥10–15 kV/mm |
| Volume Resistivity | ≥10¹⁴ Ω·cm |
| Hajlítószilárdság | ≥300–350 MPa |
| Keménység | ≥80 HRA |
| Felületi érdesség | Ra ≤0.4–0.8 μm |
| Laposság | ≤0.05–0.10 mm |
| Color | White / Ivory |
Customized dimensions and engineering tolerances are available.
Typical Application Areas
Semiconductor Equipment
Semiconductor systems require highly stable materials capable of operating under vacuum, high temperature, and electrically sensitive environments.
Az alkalmazások közé tartoznak:
- Wafer support fixtures
- Process chamber platforms
- Semiconductor carriers
- Precision support structures
Power Electronics
Power devices continuously generate concentrated thermal loads.
Suitable applications include:
- IGBT modules
- MOSFET cooling systems
- Power conversion systems
- High-voltage equipment
LED Heat Dissipation Systems
Large-area ceramic heat sinks improve thermal spreading and increase service life in:
- High-power LED lighting
- Industrial illumination modules
- Electronic display systems
RF and Microwave Equipment
Alumina ceramic provides both dielectric stability and thermal management for:
- RF power devices
- Microwave systems
- Communication equipment
Precision Customization Services
Custom ceramic fabrication is available according to drawings and technical requirements.
Processing capabilities include:
- Custom dimensions
- Thickness adjustment
- CNC megmunkálás
- Laser cutting
- Precision drilling
- Slot processing
- Surface polishing
- Lapping
- Metallizálás
Optional metallization:
- Silver (Ag)
- Gold (Au)
- Nickel (Ni)
Semiconductor-grade flatness processing is also available.
OEM and custom production supported.
Strict Quality Control
Every ceramic heat sink plate undergoes comprehensive quality inspection:
✔ Dimensional verification
✔ Surface inspection
✔ Flatness testing
✔ Crack detection
✔ Edge quality evaluation
Products are packaged using shock-resistant materials and export-grade packaging to ensure safe international transportation.
Gyakran ismételt kérdések
Is alumina ceramic better than aluminum heat sinks?
Although aluminum has higher thermal conductivity, alumina ceramic offers significantly better insulation performance and environmental resistance, making it ideal for high-voltage and semiconductor applications.
Can custom holes, slots, or shapes be manufactured?
Yes. Customized CNC machining, drilling, laser cutting, and special geometries are available according to customer drawings.
Can the ceramic plate operate under repeated heating cycles?
High-purity alumina ceramics maintain excellent dimensional stability and mechanical properties under repeated thermal cycling.
Értékelések
Még nincsenek értékelések.