Information Gain: While many suppliers focus merely on selling "ceramic plates," the semantic core of modern industrial demand lies in Advanced Thermal Management. Aluminum Nitride (AlN) substrates have emerged as the "backbone" of power electronics due to their unique combination of high thermal conductivity (up to 230 W/m·K) and excellent electrical insulation.
In the current global industrial landscape, the surge in Electric Vehicles (EVs), 5G Communications, and Renewable Energy Systems has transformed AlN from a niche material to a critical strategic resource. Unlike Alumina (Al2O3), AlN offers a Coefficient of Thermal Expansion (CTE) that closely matches Silicon and Silicon Carbide (SiC) chips, significantly reducing mechanical stress during thermal cycling and extending the lifespan of high-power modules like IGBTs and SiC MOSFETs.
8-10 times higher than Alumina, ensuring rapid heat dissipation for high-power density applications.
Exceptional dielectric strength, providing safety and reliability in high-voltage environments.
CTE is close to Silicon (Si) and Gallium Nitride (GaN), minimizing interface delamination.
Shanghai Creative Advanced Material Co., Ltd, established in the Shanghai Industrial Comprehensive Development Zone, is a high-tech powerhouse. We specialize in semiconductor ceramic targets, powder metallurgy targets, and high-performance ceramic components. With 19 years of deep-rooted experience, we integrate R&D, production, and sales to serve the global nuclear, semiconductor, and aerospace industries.
Our commitment to quality is backed by advanced production technology and a strict quality control system, making us a trusted partner for global enterprises seeking "Wholesale Aluminum Nitride Substrates."
Years of Experience
Core Technologies
Satisfied Customers Globally
China has established a complete vertical supply chain from raw powder synthesis to high-precision machining. This proximity reduces logistics costs and lead times significantly.
By utilizing automated sintering furnaces and precision laser-cutting technologies, Chinese factories achieve higher yields and consistent quality, allowing for competitive wholesale pricing.
Factories like ours in Shanghai work closely with local semiconductor clusters to rapidly prototype and iterate on customized substrate specifications, from DPC (Direct Plated Copper) to AMB (Active Metal Brazing).
Strict control over purity, particle size, and chemical composition stability to ensure consistent thermal performance.
Expertise in hot-pressing, pressureless, and reaction sintering methods to achieve theoretical density.
Imported CNC equipment ensuring sub-micron accuracy for substrate thickness and flatness.
Dust-free workshops (Class 100/1000) for semiconductor-grade cleaning and final inspection.
Full record traceability from raw powder to final unit. Serial numbers provided for every batch, ensuring 100% quality accountability.
The transition toward Silicon Carbide (SiC) and Gallium Nitride (GaN) power semiconductors is the primary driver for AlN substrate demand. As power densities increase, traditional Alumina substrates can no longer handle the thermal load, leading to chip failure.
Key Trends Identified:
A: AlN's thermal conductivity is about 7-10 times higher than Al2O3. This allows the heat generated by high-power LEDs to be dissipated much faster, preventing lumen depreciation and increasing the LED's lifespan.
A: We offer standard sizes like 2"x2", 4"x4", and 4.5"x4.5", with thicknesses ranging from 0.25mm to 1.0mm. Custom sizes and shapes are available via laser cutting.
A: Yes. Our substrates feature ultra-smooth surfaces (Ra < 0.05μm upon request), making them ideal for PVD, CVD, and sputter coating applications.
A: We have long-term partnerships with global logistics providers and full export qualifications. Products are vacuum-sealed and shock-protected for safe global transit.
