Aluminum nitride ceramics is a high-performance ceramic material made of aluminum nitride (AlN) as the main raw material and sintered at high temperature. Its most important feature is its high thermal conductivity (about 170-200 W/m-K), as well as excellent electrical insulation properties and a coefficient of thermal expansion close to that of silicon chips, which makes it very suitable for heat dissipation and encapsulation of electronic devices. Compared with traditional alumina ceramic chips, aluminum nitride ceramics have more advantages in terms of heat dissipation efficiency, reliability and service life. Due to its stable chemical properties and mechanical strength, Aluminum Nitride is widely used in power electronics, LED packaging, RF communications, automotive electronics and new energy equipment, etc. It is one of the indispensable basic materials in the modern electronics industry and high-end manufacturing field!

• Metal/stainless steel:Conventional metals (e.g. copper, stainless steel) have high thermal conductivity, but they are electrically conductive and dense, so they are not suitable for use as insulating heat dissipation components. Aluminum nitride thermal conductivity of about 170-230 W / (m-K), although lower than copper (≈ 400 W / (m-K)), but has a high resistance, low density (3.26 g / cm ³) advantage, is an ideal insulation alternative material for efficient heat dissipation.
• Aluminum oxide ceramics:Common α-Al₂O₃ ceramics are wear-resistant and insulating, but have a thermal conductivity of only about 20-30 W/(m-K). In contrast, aluminum nitride has a thermal conductivity 5-10 times higher, which can significantly improve the thermal performance of electronic devices.
• Zirconia ceramics:ZrO₂ ceramics have excellent toughness, but very low thermal conductivity (~2-3 W/(m-K)) and high density (≈6.0 g/cm³). Aluminum nitride, on the other hand, combines high thermal conductivity and insulating properties with a density that is only about half that of zirconium oxide, improving the material's thermal efficiency and reliability.
• Why choose us:Zhihao Ceramics has many years of experience in precision ceramics R&D and manufacturing, with strict and stable production process and quality control. Our products have passed ISO9001 quality certification. We offer a wide range of Aluminum Nitride ceramic substrates with customized dimensions and surface treatments, making us a reliable partner for you.

Aluminum nitride ceramics (AlN) and boron nitride ceramics (BN) are both high-performance inorganic non-metallic materials, but their properties and applications are focused. Aluminum nitride chemical formula for AlN, the crystal structure is stable, the most important feature is high thermal conductivity (170-200 W/m-K) and excellent electrical insulation, and the coefficient of thermal expansion and silicon chips close to, so widely used in power electronic modules, LED heat dissipation substrate and new energy electronic control system, is an important electronic industry, heat dissipation and insulation materials. Boron nitride is divided into cubic boron nitride (c-BN) and hexagonal boron nitride (h-BN). c-BN hardness is second only to diamond, wear-resistant, commonly used in cutting tools and wear-resistant coatings; h-BN structure is similar to graphite, has a good insulating, lubrication and high temperature performance, can be oxidized under the atmosphere of long-term work, suitable for high-temperature lubricant, heat insulation and spacecraft protection materials. In contrast, aluminum nitride ceramics known for high thermal conductivity, strong insulation, suitable for electronic packaging and heat dissipation scenarios; boron nitride ceramics due to the different crystal types, both as super-hard wear-resistant materials, but also as a high-temperature insulation and lubrication materials. As a result, the two present a complementary relationship in modern industry: the former focuses on electronic thermal management, while the latter serves more in extreme environments and machining areas.

ZhiHao Ceramics adopts a mature preparation process to produce aluminum nitride ceramic substrate: high purity AlN powder and a small amount of sintering additives are mixed uniformly, and then the billet is isostatically pressed; then sintered under nitrogen or inert atmosphere, hot isostatic pressure, so that the billet is densified. After sintering, the blanks are precision machined and surface polished. Comprehensive dimensional and performance testing is implemented during the production process, including dimensional measurements, thermal conductivity, resistivity and other tests to ensure stable and reliable performance of each batch of products. We have a perfect quality system and testing standards to provide customers with high quality and low failure rate aluminum nitride ceramic products.

Shenzhen Zhihao Precision Ceramics Co., Ltd. is a professional manufacturer of advanced ceramic materials, focusing on the research, development and production of high-performance inorganic non-metallic materials. The company has many years of experience in ceramic R&D and perfect production system, with the ability of the whole process of precision ceramic molding, sintering and machining. We have a number of ceramic material invention patents, and through the ISO9001 and other quality management system certification, products are widely used in electronics, semiconductor, aerospace, energy and other fields. Zhihao Ceramics is committed to providing customers with reliable ceramic solutions, and to win the trust of the market with excellent products and services.