Copper substrate Copper cubic Single crystal Cu wafer 100 110 111 Orientation SSP DSP purity 99.99%

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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.

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Some properties of copper single crystal substrate.
1.Excellent electrical conductivity, conductivity second only to silver.
2.The thermal conductivity is very good, and the thermal conductivity is the best among common metals.
3.Good processing performance, can carry out a variety of metallurgical processing technology.
4.Corrosion resistance is good, but some protective measures are still needed.
5.The relative cost is low, and the price is more economical in metal substrate materials.
Due to its excellent electrical conductivity, thermal conductivity and mechanical strength, copper substrates have several important applications in various industries. Here are some key applications:

1.Telecommunications
① RF/ Microwave devices: Copper substrates are used in the packaging of high-frequency RF and microwave components, where electrical performance and thermal management are critical.
② 5G and wireless networking: With the rise of 5G technology, copper substrates are being used in antennas and communication equipment due to their signal integrity and efficient heat dissipation.
2. Automotive and Aerospace
① Electric vehicles (EVs) : Copper substrates play a crucial role in the battery management system of electric vehicles. They help maintain the efficiency of the power module and dissipate the heat generated during high-speed operation.
② Aerospace electronics: In aerospace applications, copper substrates are used in avionics and sensors due to their durability under extreme conditions and high thermal performance.
3. Medical devices
① Medical imaging equipment: Copper substrates are used in medical devices, such as MRI and CT scanners, where electronic conductivity and heat dissipation are essential.
② Wearable medical devices: Copper substrates contribute to the miniaturization of electronic circuits in portable and wearable medical devices while maintaining their efficiency.
4. High temperature application
① Power transistors and diodes: Copper substrates are used in high-temperature environments, especially in power electronics such as transistors and diodes in power grids and industrial control systems.
Copper's combination of thermal and electrical conductivity makes it ideal for applications requiring thermal management and efficient energy transfer. These characteristics contribute to its widespread use in modern technology.

Our factory has advanced production equipment and technical team, we can provide Copper substrate , can be customized according to customer's specific requirements of various specifications, thickness, shape of Single crystal Cu wafer. Welcome inquiry!