What is Copper (Cu) Sputtering Targets?

Copper (Cu) sputtering targets are high-purity copper materials used in thin-film deposition processes known as sputtering. These targets are essential for manufacturing semiconductor devices, integrated circuits, solar panels, display technologies, and advanced electronics due to copper’s excellent electrical conductivity, thermal performance, and high purity.

Chemical Properties and CAS Number

• Chemical Symbol: Cu
• CAS Number: 7440-50-8
• Appearance: Metallic reddish-orange
• Density: Approximately 8.96 g/cm³
• Purity: Typically 99.99% or higher
• Melting Point: 1085°C
• Boiling Point: 2567°C
• Electrical Conductivity: Excellent, highly conductive

Applications of Copper (Cu) Sputtering Targets

1. Semiconductor Manufacturing

Used extensively in producing integrated circuits and microchips, providing superior electrical connectivity and reliability.

2. Display Technologies

Applied in manufacturing LCD, OLED, and touchscreen displays due to copper’s exceptional conductivity and compatibility.

3. Solar Panels

Essential for thin-film solar cells, enabling efficient electrical conduction and energy conversion.

4. Electronic Components and Interconnects

Utilized in producing electronic interconnects, printed circuit boards (PCBs), and high-speed data transmission devices.

5. Advanced Coatings

Employed in protective, decorative, and functional coatings for electronics, automotive, and aerospace industries, enhancing durability and performance.

Pricing of Copper (Cu) Sputtering Targets

Pricing depends on purity, target dimensions, and application-specific requirements:

• Standard Grade: Typically ranges from $150 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $500 – $2,000 per kilogram, tailored for semiconductor and advanced electronic applications.

Factors Influencing Pricing

• Purity levels and production complexity
• Target size and thickness
• Market demand from semiconductor, electronics, and renewable energy sectors
• Customization requirements for specific industry applications

Conclusion

Copper (Cu) sputtering targets are crucial for advanced electronic manufacturing, offering superior electrical conductivity, thermal stability, and purity. Pricing varies based on material characteristics, purity, dimensions, and industry-specific needs.