Aluminum substrate Single crystal aluminum substrate orientation 111 100 111 5×5×0.5mm

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The demand for high-purity single crystal aluminum substrates (99.99%) is rising in technological sectors such as semiconductor fabrication and high-efficiency light sources. This paper examines various dimensions of these substrates: 5×5×0.5 mm, 10×10×1 mm, and 20×20×1 mm, focusing on their crystallographic orientations, namely (100) and (111). Notably, the (111) orientation features a lattice constant of 4.040 Å, which significantly impacts the material’s mechanical and electrical characteristics. The exceptional purity level minimizes the presence of defects, thereby enhancing the substrate’s performance in electronic applications. The orientation of the aluminum crystals plays a crucial role in determining the surface morphology and overall behavior in device integration.

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The following are the characteristics of aluminum single crystal substrate:

High material purity: The purity of aluminum metal single crystal substrate can reach more than 99.99%, and the impurity content is very low, which can meet the harsh requirements of semiconductors for high-purity materials.
Perfect crystallization: Aluminum single crystal substrate is grown by drawing method, has a highly ordered single crystal structure, regular atomic arrangement, and fewer defects. This is conducive to subsequent precision machining on the substrate.

High surface finish: The surface of the aluminum single crystal substrate is precisely polished, and the roughness can reach the nanometer level, meeting the cleanliness standards of semiconductor manufacturing.
Good electrical conductivity: As a metal material, aluminum has good electrical conductivity, which is conducive to high-speed transmission of circuits on the substrate.
Aluminum single crystal substrate has several applications.
1. Integrated circuit manufacturing: Aluminum substrate is one of the main substrates for manufacturing integrated circuit chips. Complex circuit layouts can be manufactured on wafers for the production of CPU, GPU, memory and other integrated circuit products.
2. Power electronic devices: Aluminum substrate is suitable for manufacturing MOSFET, power amplifier, LED and other power electronic devices. Its good thermal conductivity is conducive to the heat dissipation of the device.
3. Solar cells: Aluminum substrates are widely used in the manufacture of solar cells as electrode materials or interconnect substrates. Aluminum has good electrical conductivity and low cost advantages.
4. Microelectromechanical systems (MEMS): Aluminum substrate can be used to manufacture various MEMS sensors and execution devices, such as pressure sensors, accelerometers, micromirrors, etc.
Our factory has advanced production equipment and technical team, which can customize various specifications, thicknesses and shapes of Aluminum Single crystal substrate according to customers' specific requirements.