96% ALUMINA Al2O3 Ceramic PCB
Our 96% Alumina Al2O3 Ceramic PCB is designed for high-performance applications requiring superior thermal conductivity, electrical insulation, and durability. This double-sided ceramic PCB is ideal for industries such as aerospace, automotive, power electronics, and LED applications.
Description
Technical Parameters
| property | Value |
|---|---|
| Substrate type | 96% ALUMINA Al2O3 Ceramic PCB |
| Substrate thickness | 1.6mm±0.05mm |
| Copper foil thickness | 18μm(1/2oz) |
| Solder Mask | No |
| Silkscreen | No |
| Surface treatment | ELECTROLESS NICKEL IMMERSION GOLD(ENIG) |
| Maximum size | 150×150mm |
| Operating temperature | -55℃ ~ +850℃ |
| Breakdown voltage | ≥15KV/mm |
| ACCEPTABLE BOARD BOW/TWIST | 0.75% OR LESS ACROSS THE DIAGONAL |
Special process description
Double-sided circuit manufacturing process
- Laser drilling accuracy: ±0.05mm
- Minimum line width/line spacing: 0.15mm/0.15mm
- Through-hole metallization process: hole filling rate ≥95%
ENIG surface treatment advantages
- Nickel layer thickness: 3-5μm
- Gold layer thickness: 0.05-0.1μm
- Solderability retention period: >12 months
Advantages of 96% Alumina Ceramic PCB
✔ Superior Thermal Conductivity – Efficient heat dissipation for high-power applications
✔ Excellent Electrical Insulation – High dielectric strength for improved performance
✔ Chemical & Corrosion Resistance – Enhances durability in harsh environments
✔ Precision & Stability – Low expansion coefficient for reliable operation
Differences in the application of 96% and 99% alumina in ceramic PCBs
| Parameter | 96% Al₂O₃ | 99% Al₂O₃ | Difference Analysis |
|---|---|---|---|
| Thermal Conductivity | 24~28 W/(m·K) | ≥30 W/(m·K) | Higher purity reduces grain boundaries, improving thermal conductivity |
| Bending Strength | ≥274 MPa | ≥350 MPa | 99% Al₂O₃ has finer grains, resulting in higher mechanical strength |
| Volume Resistivity (20℃) | ≥10¹⁴ Ω·cm | ≥10¹⁵ Ω·cm | Higher purity reduces impurities, enhancing insulation properties |
| Breakdown Voltage (1mm Thickness) | 28 KV/mm | 30~35 KV/mm | Increased purity reduces microscopic defects, improving voltage resistance |
| Thermal Expansion Coefficient | 6.5~8.0×10⁻⁶/℃ | 6.0~7.0×10⁻⁶/℃ | 99% Al₂O₃ better matches with semiconductor materials |
96% Alumina Ceramic PCB FAQ
Q: Does it support solder mask production?
A: Standard products do not contain solder mask, but green/white ink solder mask can be customized
Q: What is the minimum order quantity?
A: Support sample orders (5pcs minimum order)
Q: How long is the delivery cycle?
A: Standard products 7-10 working days, support expedited service
Why Choose Our Alumina Ceramic PCB?
Our ceramic PCBs offer superior mechanical and electrical properties compared to traditional FR4 boards. With advanced manufacturing techniques and strict quality control, we ensure reliability and longevity in demanding applications.
Any ceramic pcb needs, please send us email at linda@belle@betonpcb.com.
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