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Puwei's Direct Bonded Copper (DBC) Aluminum Nitride Substrates represent a breakthrough in high-performance circuit board technology. Engineered for the most demanding thermal and electrical environments, they combine the exceptional thermal conductivity of AlN ceramic with the superior electrical conductivity and bonding strength of pure copper. This product is specifically designed to address critical challenges in power devices, high-frequency modules, and advanced electronic packaging, offering unmatched reliability and performance.
Puwei DBC AlN Substrates are manufactured to precise specifications to ensure consistent, high-performance results in your application.
Unlike plated or printed methods, the Direct Bonding process involves a high-temperature reaction between copper and AlN in a controlled atmosphere. This forms a robust copper-oxygen eutectic bond that is integral to the ceramic, resulting in exceptional thermal transfer and mechanical stability for bare ceramic plates used in final assemblies.
The cornerstone of modern power devices like IGBT modules, SiC/GaN power converters, and motor drives. DBC AlN effectively manages heat from high-current switches, enabling smaller, more efficient, and more reliable systems for electric vehicles and industrial automation.
Essential for microwave components, RF power amplifiers (LDMOS, GaN), and high-frequency modules in 5G infrastructure, radar, and satellite communications. Its stable electrical properties ensure minimal signal loss and distortion.
Provides a high-performance platform for optoelectronics applications (laser diodes, high-power LEDs), sensor packaging, and complex microelectronics packaging. It serves as a critical insulation element and heat spreader in multi-chip modules.
Used in thermoelectric cooling assemblies (Peltier devices) and power generation modules, where efficient heat transfer across the junction is critical for performance and longevity.
Puwei specializes in co-engineering DBC AlN substrates to meet your exact electrical, thermal, and mechanical requirements. We support prototypes to high-volume production.
Our vertically controlled manufacturing ensures every substrate meets the highest standards of quality and consistency.
Puwei Ceramic is committed to global quality and environmental standards, providing you with a dependable and compliant component.
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Main Product:
Alumina Ceramic Substrates,
Aluminum Nitride Substrates,
Metallized Ceramics,
AlN Ceramics Disc,
DPC Substrate ,
DBC Ceramic Substrate
