Product Name: Metalized Copper-Plated DBC Aluminum Nitride Ceramic Substrates
Product Material: High-Purity Aluminum Nitride (AlN) with Oxygen-Free Copper Foil
Material Characteristics: High thermal conductivity, excellent electrical insulation, matched CTE with semiconductors, high bonding strength, reliable metallization
Application Fields: High-power electronic packaging, IGBT modules, laser diode mounting, automotive power systems, aerospace electronics
Application Industries: Power electronics, automotive, aerospace, telecommunications, industrial automation
Processing Challenges: Copper-ceramic bonding strength, surface flatness control, pattern precision, thermal stress management, oxidation prevention
Processing Flow: AlN substrate preparation → Surface treatment → Copper foil bonding → High-temperature bonding → Pattern etching → Plating treatment → Inspection → Packaging
Delivery Time: 25-35 days, 40-50 days for customized designs
Metalized Copper-Plated DBC Aluminum Nitride Ceramic Substrates are advanced electronic substrates specifically engineered for applications requiring exceptional thermal management performance, reliable high-power operation, and outstanding metallization reliability. Manufactured using direct bond copper (DBC) technology on high-purity aluminum nitride ceramics, these substrates deliver superior performance in power electronic applications, outperforming traditional substrates through their excellent thermal conductivity, reliable copper-ceramic bonding, and superior electrical insulation properties.
Key Features:
Exceptional Metallization Reliability - Achieves outstanding copper-ceramic bonding strength exceeding 80 MPa, ensuring reliable performance in high-power cycling applications and preventing delamination under extreme thermal stress conditions.
Superior Thermal Conductivity - High thermal conductivity (170-200 W/mK) provides excellent heat dissipation performance, enabling efficient thermal management in high-power density applications and significantly reducing junction temperatures in power electronic devices.
Excellent Copper-Ceramic Bonding - DBC technology creates a robust oxygen-free copper layer (100-600 μm thick) with exceptional adhesion strength, ensuring reliable interconnections and heat spreading capabilities in demanding power applications.
Outstanding Thermal Cycling Performance - Withstands over 1000 thermal cycles (-55°C to +150°C) without degradation, maintaining structural integrity and electrical performance in applications involving frequent power cycling and temperature variations.
Precision Pattern Control - Maintains tight pattern tolerances (±0.05 mm) with superior edge definition, enabling complex circuit designs and reliable component attachment in high-density power modules.
Optimized Solderability - Special surface treatment ensures excellent wettability and bonding strength with various solder materials, providing reliable interconnections and enhancing manufacturing yield in power module assembly.
