Product Name: Metalized Alumina Ceramic Tubes
Product Material: High-Purity Aluminum Oxide (Al₂O₃ 95%-99.5%) with Metalized Layer
Material Characteristics: Excellent metallization reliability, high temperature resistance, electrical insulation, vacuum tightness, mechanical strength
Application Fields: Vacuum electronic devices, semiconductor equipment, laser packaging, sensor housings, microwave components
Application Industries: Semiconductor, electronics, aerospace, defense, telecommunications
Processing Challenges: Metallization adhesion strength, thermal expansion matching, surface finish control, hermetic sealing reliability
Processing Flow: Ceramic tube forming → High-temperature sintering → Surface metallization → Plating treatment → Precision machining → Quality inspection → Packaging
Delivery Time: 30-40 days, 45-60 days for customized specifications
Metalized Alumina Ceramic Tubes are precision-engineered components specifically designed for applications requiring exceptional metallization reliability, reliable performance in high-temperature environments, and outstanding hermetic sealing capabilities. Manufactured from high-purity aluminum oxide ceramics with advanced metallization treatment, these tubes deliver superior performance in electronic packaging applications, outperforming traditional materials through their excellent thermal stability, reliable metal-ceramic bonding, and superior electrical insulation properties.
Key Features:
Exceptional Metallization Reliability - Achieves outstanding metal-ceramic bonding strength exceeding 80 MPa, ensuring reliable performance in high-temperature applications and preventing interface failure under extreme thermal cycling conditions.
Superior Hermetic Sealing Performance - Provides excellent vacuum tightness with leak rates below 1×10⁻¹¹ Pa·m³/s, enabling reliable operation in vacuum and high-pressure environments for critical electronic packaging applications.
Excellent Thermal Stability - Withstands continuous operation at temperatures up to 1500°C while maintaining structural integrity and metallization performance, suitable for high-temperature processing and thermal cycling environments.
Outstanding Electrical Insulation - High volume resistivity (>10¹⁴ Ω·cm) and dielectric strength (>15 kV/mm) provide reliable electrical isolation while maintaining excellent metallization integrity, ensuring safe operation in high-voltage applications.
Precision Metallization Control - Maintains tight tolerances (±0.02 mm) on metallized patterns and surfaces, ensuring perfect solder wetting and reliable brazing connections in critical electronic assemblies.
Optimized Solderability - Special surface treatment ensures excellent wettability with various brazing materials, providing reliable hermetic seals and enhancing manufacturing yield in electronic packaging processes.
