copper substrate Copper cubic Cu wafer/substrate 100 110 111 orientaiton SSP DSP purity 99.99%

copper substrate's brief

Our single crystal copper wafers, with a purity of 99.99%, are engineered to deliver optimal electrical and thermal performance for advanced semiconductor and electronic applications. These wafers are available in different orientations, including <100>, <110>, and <111>, tailored to maximize efficiency in specific use cases. With sizes ranging from 5×5×0.5 mm to 20×20×1 mm, and a lattice constant of 3.607 Å, these copper substrates ensure high precision and structural stability. Both single-side polished (SSP) and double-side polished (DSP) options are available, catering to varied fabrication requirements. The excellent conductivity of copper makes these wafers highly effective for use in electronic interconnections, heat dissipation systems, and microelectronic components. Designed for versatility, they are ideal for a range of applications, from high-power devices to intricate circuitry, providing reliability and excellent performance in demanding environments.

copper substrate's showcase

copper substrate's properties

Copper substrates are renowned for their superior electrical and thermal properties, making them essential in high-performance applications. These substrates exhibit remarkable electrical conductivity, which ensures rapid and efficient energy transfer in electronic systems. With a purity level of 99.99%, copper substrates have minimal impurities, which is vital for maintaining the performance and reliability of advanced devices. The high purity also reduces the likelihood of defects and enhances the structural integrity of electronic components, making them suitable for precision-driven industries such as microelectronics and semiconductors.

The single crystal structure of copper, offered in orientations of <100>, <110>, and <111>, provides high crystallographic uniformity and strength. These orientations are carefully chosen based on the specific application requirements, ensuring that the copper substrate delivers optimal performance. The lattice parameter of 3.607 Å contributes to the precise alignment of atoms, creating a stable foundation for the development of next-generation electronic devices. This atomic precision is crucial in reducing resistance and enhancing the overall performance of copper-based systems.

In addition, copper substrates are available in various polished finishes, including single-side polished (SSP) and double-side polished (DSP). Polished surfaces enhance the interface between the substrate and thin-film materials, reducing scattering losses and improving the efficiency of the manufacturing process. Thanks to their high thermal tolerance and mechanical durability, copper substrates are extensively used in microelectronics, heat dissipation systems, and energy storage technologies, where efficient heat management and reliability are of utmost importance. These properties make copper substrates a key material in many advanced technological applications.

copper substrate's applications

Copper substrates have several important applications across various industries due to copper's excellent electrical conductivity, thermal conductivity, and mechanical strength. Below are some of the key applications:

1. Electronics and Semiconductors

• Printed Circuit Boards (PCBs): Copper is widely used in PCBs for electrical interconnections due to its superior conductivity. Copper substrates allow efficient transmission of electrical signals between electronic components.
• High-power devices: Copper substrates are essential in power electronics and integrated circuits where thermal management is critical. These substrates help dissipate heat effectively.
• LED Lighting: Copper substrates are often used in high-power LED packages because they can manage the high heat generated, ensuring longevity and performance.

2. Thermal Management

• Heat sinks and cooling modules: Copper substrates are used in heat sinks for cooling electronic devices, such as CPUs and GPUs. The high thermal conductivity of copper allows for effective heat dissipation, enhancing performance and reliability.
• Power modules: In power semiconductors (e.g., MOSFETs and IGBTs), copper substrates serve as the base material to dissipate the heat generated in high-performance power systems.

3. Renewable Energy

• Photovoltaic (Solar) Cells: Copper substrates are used in solar cells, particularly in thin-film solar technology. The copper substrate provides electrical conduction while allowing efficient heat dissipation from the solar modules.
• Fuel cells: Copper substrates can be used in solid oxide fuel cells (SOFCs) due to their ability to handle high temperatures and ensure optimal energy efficiency.

4. Telecommunications

• RF/Microwave Devices: Copper substrates are used in the packaging of high-frequency RF and microwave components, where both electrical performance and thermal management are critical.
• 5G and Wireless Networks: With the rise of 5G technology, copper substrates are being used in antennas and communication devices due to their signal integrity and efficient heat dissipation.

5. Automotive and Aerospace

• Electric Vehicles (EVs): Copper substrates play a crucial role in the battery management systems of electric vehicles. They help maintain the efficiency of power modules and dissipate the heat generated during high-speed operations.
• Aerospace Electronics: In aerospace applications, copper substrates are used in avionics and sensors for their durability and high thermal performance under extreme conditions.

6. Medical Devices

• Medical Imaging Equipment: Copper substrates are used in medical devices such as MRI and CT scanners where both electronic conductivity and heat dissipation are essential.
• Wearable Medical Devices: Copper substrates help in the miniaturization of electronic circuits in portable and wearable medical devices while maintaining their efficiency.

7. High-Temperature Applications

• Power Transistors and Diodes: Copper substrates are used in high-temperature environments, especially for power electronics like transistors and diodes in power grids and industrial control systems.

Copper's combination of thermal and electrical conductivity makes it ideal for applications requiring heat management and efficient energy transfer. These properties contribute to its widespread use in modern technology.

Q&A

What is the raw material of copper?

Copper concentrate is the fundamental raw material used to make copper. In nature copper can be found in a great many minerals, at a percentage ranging between approximately 0.5% and 10%. Once these minerals have been mined, various processes are applied to increase the copper concentration to 20 to 35%.