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Puwei's Alumina Ceramic Substrates are precision-engineered to meet the demanding requirements of modern high-performance electronics. These advanced substrates deliver exceptional thermal management, superior electrical insulation, and robust mechanical strength, making them the ideal foundation for cutting-edge Electronic Packaging and Microelectronics Packaging applications. With excellent thermal conductivity, outstanding chemical stability, and reliable performance under extreme conditions, our alumina ceramic substrates ensure optimal functionality in the most challenging electronic environments — from power converters to RF front-ends.
Material Composition: High-Purity Alumina (Al₂O₃). Alumina Content: 96%, 99%, 99.5%, 99.6% available. Density: 3.7–3.9 g/cm³. Flexural Strength: 300–400 MPa. Compressive Strength: 2500–3000 MPa.
Electrical Properties: Dielectric Constant: 9–10 @ 1 MHz. Dielectric Strength: 15–25 kV/mm. Volume Resistivity: >10¹⁴ Ω·cm. Insulation Resistance: Excellent electrical isolation, ideal for Insulation Elements in high-voltage systems.
Thermal Properties: Thermal Conductivity: 20–30 W/m·K. Thermal Expansion Coefficient: 7.2–8.0 × 10⁻⁶/°C. Maximum Operating Temperature: 1600°C. Thermal Shock Resistance: Excellent performance under rapid temperature cycling.
Premium Alumina Ceramic Substrates for advanced electronic applications
Excellent thermal conductivity ensures efficient heat dissipation in high-power electronic devices, maintaining stable operation and extending component lifespan in demanding Power Devices and High-Power Microelectronic Components.
High insulation resistance and dielectric strength prevent electrical leakage, ensuring safe and efficient circuit operation while maintaining signal integrity — essential for High frequency module and precision instrumentation.
Exceptional hardness and wear resistance enable these substrates to withstand mechanical stress, making them ideal for durable Electronic Packaging solutions in automotive and industrial electronics.
Resistant to chemical corrosion, alumina substrates maintain integrity in harsh environments exposed to various chemicals and processing conditions, including semiconductor fabrication.
Low dielectric constant minimizes signal loss and interference, ensuring efficient signal transmission in RF circuits, Microwave Components, and high-frequency communication systems.
Tight dimensional tolerances and superior surface finish enable reliable integration into advanced electronic assemblies, hybrid circuits, and Thick Film Printed Circuits.
Essential substrates for IC packaging and Microelectronics Packaging, leveraging superior thermal and electrical properties to enhance performance and reliability in compact electronic devices, including Bare Ceramic Plates used in the assembly of electronic integrated circuits.
Ideal base for LED chips and optoelectronic devices, providing efficient heat dissipation and electrical insulation for high-brightness lighting and Optoelectronics Applications.
Critical components in power modules, converters, and electronic control units where thermal management and electrical insulation are paramount for system reliability. Suitable for IGBT modules and Thermoelectric modules for electric power generation.
Preferred substrate for RF circuits and microwave components, offering low dielectric loss and stable high-frequency performance for telecommunications, radar, and wireless infrastructure.
Perfect foundation for advanced circuit technologies, withstanding high processing temperatures and providing excellent electrical characteristics for Thick Film Hybrid Microcircuits, Film Resistor Elements, and precision resistor networks.
Reliable platform for Sensor packaging and automotive control systems, delivering stable performance under varying environmental conditions and thermal cycling — ideal for Automotive Electronics and engine control modules.
Puwei Ceramic maintains the highest quality standards with comprehensive certification and rigorous quality control processes for electronic-grade ceramic substrates.
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Main Product:
Alumina Ceramic Substrates,
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Metallized Ceramics,
AlN Ceramics Disc,
DPC Substrate ,
DBC Ceramic Substrate
