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In modern electronics, optoelectronics, microelectronics, and information technology fields, semiconductor substrates and epitaxial technologies are indispensable. They provide a solid foundation for manufacturing high-performance, high-reliability semiconductor devices. As technology continues to advance, semiconductor substrates and epitaxial technologies will also progress, bringing new breakthroughs and developments to the future of the semiconductor industry.

​In the realms of semiconductor technology and microelectronics, the concepts of substrates and epitaxy hold significant importance. They play critical roles in the manufacturing process of semiconductor devices. This article will delve into the differences between semiconductor substrates and epitaxy, covering their definitions, functions, material structures, and application areas.

In semiconductor manufacturing, atomic-level flatness is usually used to describe the global flatness of the wafer, with the unit of nanometers (nm).

Homoepitaxy and heteroepitaxy play pivotal roles in material science. Homoepitaxy involves the growth of a crystalline layer on a substrate of the same material, ensuring minimal defects due to perfect lattice matching. In contrast, heteroepitaxy grows a crystalline layer on a different material substrate, which can lead to challenges like lattice mismatch. These processes are crucial in advancing semiconductor devices and thin films. For instance, heteroepitaxy significantly impacts microelectronics and quantum optics, contributing to innovations like Light Emitting Diodes.

Silicon wafer surface polishing is a crucial process in semiconductor manufacturing. Its primary goal is to achieve extremely high standards of surface flatness and roughness by removing micro-defects, layers of stress damage, and contamination from impurities such as metal ions.

As a leading upstream graphite material manufacturer in the semiconductor industry, Semicorex prioritizes the availability, usability, and durability of its materials, setting the standard for excellence in the field.