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Our metallized Ceramic Substrates are the foundation for next-generation microelectronics. By applying high-purity metallic thin films to advanced ceramic materials like Alumina ($Al_2O_3$) and Aluminum Nitride (AlN), we create high-performance interconnect platforms. These substrates provide a superior solution for applications demanding excellent thermal management, high-frequency electrical performance, and exceptional reliability. From complex RF modules to High-power Laser Packaging, our substrates offer a robust and stable base for mounting and connecting sensitive semiconductor devices, enabling higher power densities and miniaturization.
| Parameter | Alumina (99.6% $Al_2O_3$) | Aluminum Nitride (AlN) |
|---|---|---|
| Thermal Conductivity (W/m·K) | ~27 | >170 |
| CTE (ppm/K, RT-400°C) | 7.0 | 4.6 (Closely matches Silicon) |
| Dielectric Constant (@1MHz) | 9.9 | 8.7 |
| Bending Strength (MPa) | ≥592 | ≥400 |
| Surface Roughness (Polished) | ≤0.05 µm | ≤0.05 µm |
Our metallized ceramic substrates are critical components in:
We are not just a supplier; we are a development partner. Our capabilities include:
Q1: When should I choose Aluminum Nitride (AlN) over Alumina ($Al_2O_3$)?
A1: Choose AlN when thermal management is your primary concern. With a thermal conductivity over 6 times higher than Alumina, AlN is the ideal choice for high-power density applications to keep your components cool and reliable. Alumina is an excellent, cost-effective choice for general-purpose and high-frequency applications where heat is less of a concern.
Q2: What is the benefit of pre-deposited AuSn solder?
A2: Pre-depositing AuSn (Gold-Tin) solder onto the substrate pads greatly simplifies your chip-mounting process. It eliminates the need for solder paste or preforms, ensures a precise and repeatable solder volume, and creates a high-reliability, flux-free solder joint, which is critical for hermetic Optoelectronic Packaging.
Q3: What is the typical lead time for custom substrates?
A3: Lead times vary depending on the complexity of the design, material choice, and order volume. Please contact our sales team with your design files (e.g., DXF, Gerber) for an accurate quote and lead time estimate.
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