product information:
Product Description:
This high-purity electronic-grade spherical alumina powder is specifically designed for microelectronic packaging and advanced semiconductor applications. Featuring excellent sphericity (≥95%), high thermal conductivity (≥30 W/m·K), and low alpha radiation (≤0.01 cph/cm²), it significantly enhances the thermal performance and reliability of packaging materials. Ideal for high-density integrated circuits (ICs), power modules, LED devices, and 5G component packaging.
Product Parameters
| Item |
Technical Indicators |
| Chemical Formula |
α-Al2O3 (≥99.5%) |
| Particle Size Range |
D50 2-50μm (customizable) |
| Sphericity |
≥95% |
| Thermal Conductivity |
30-35 W/(m·K) |
| Dielectric Constant |
9-10 (1MHz) |
| Purity |
≥99.5% |
| Moisture Content |
≤0.5% |
Applications
Semiconductor Packaging: Advanced packaging processes including BGA, CSP, and Flip-Chip
Power Electronics: Thermal filler for IGBT and MOSFET modules
LED Packaging: Improves heat dissipation and light efficiency of LED devices
5G Communications: High-frequency substrates and high-power RF component packaging
Electronic Ceramics: HTCC/LTCC substrates and insulation layers
Key Advantages
High Purity: 99.5% purity with ultra-low metal impurities, meeting semiconductor-grade requirements
Perfect Sphericity: ≥95% sphericity for improved packing density and flowability
Superior Thermal Conductivity: ≥30 W/m·K thermal conductivity for effective chip junction temperature reduction
Low Alpha Radiation: ≤0.01 cph/cm² to prevent soft errors and enhance device reliability
Adjustable Particle Size: 2-50μm options available to suit various packaging processes
Packaging & Storage
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Packaging: 25kg/bag (customizable)
-
Storage: Store in cool, dry conditions away from moisture and contaminants
Why Choose Us?
Electronic-Grade Specialization: 15 years of expertise in high-purity electronic materials
Strict Quality Control: ISO 9001/IATF 16949 certified
Customization Service: Tailored particle size and surface modification options
Global Supply: Serving 100+ semiconductor industry clients
Company Information:
Jiangsu Shengtian New Materials Co., Ltd. has a technical research and development team focusing on ultra-fine powder materials, and has strong strength in the research and development and production of ultra-fine functional materials, composite materials and related applications, and has become a more influential high-tech enterprise in the ultra-fine functional powder industry.
The company's products include crystalline silicon powder, molten silicon powder, soft composite silicon powder, spherical silicon powder, aluminum oxide powder, ceramic powder, glass powder and other ten categories, nearly 100 kinds of different specifications of products, and has a strong modification, compounding and other follow-up deep processing technology and capabilities. The products are processed by special technology, the production technology is leading and innovative, and the introduction of international technical standards for similar products, widely used in electronic packaging, copper clad plate, ink coating, adhesive, ceramics, precision casting, glass fiber, plastic rubber and other industries, giving its functionality while helping customers reduce costs. And provide the overall application of technology solutions.
The company has more than 20 different types of production lines, more than 100 sets of domestic advanced equipment, with an annual output of 50,000 tons. The company adopts professional production and testing equipment and formulates strict production quality control system to conduct all-round control of product quality. All products of the company have passed SGS environmental protection testing, in line with the EU ROHS green environmental protection standards. The company took the lead in the silicon powder industry through the ISO9001 quality management system certification and ISO14001 environmental management system certification, has passed the high-tech product identification. The company's products and solutions have been applied to more than 160 enterprises around the world, including more than 80 customers with stable cooperation for more than 10 years.
Workshop:
An excellent manufacturing enterprise
The company has 20 patents, the company has passed ISO9001 and ISO14001 certification, and has been recognized as a national high-tech enterprise
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