Founded in 2019 and based in Foshan Nanhai, Plutosemi Co., Ltd. specializes in high-performance semiconductor materials. As an industry leader, we offer advanced production capabilities and high-quality products such as silicon wafers and SOI, featuring high precision for diverse applications. Our one-stop services and customized solutions meet specific customer needs. Widely used in China, Europe, and the USA, we maintain strong partnerships with renowned international companies, upholding the philosophy of "Customer First, Quality Foremost".
The company maintains industry-leading standards with certifications in high-performance semiconductor materials R&D, production, and sales, supporting its position as a leader in the semiconductor materials sector.
Ultra-flat silicon wafers offer tighter control of thickness variation, wafer geometry, and surface consistency than standard wafers specified for less demanding processes. They are most useful when lithography, wafer bonding, thinning, or precision alignment requires a narrower process window.
A thermal oxide silicon wafer has a deliberately grown silicon dioxide (SiO₂) layer on its surface, while a bare silicon wafer has no intentionally formed oxide layer. The choice depends on electrical insulation, surface chemistry, device structure, and subsequent fabrication requirements.
Silicon wafer crystal orientation determines how the material responds to anisotropic etching, surface oxidation, epitaxial growth, and electrical device fabrication. The (100), (110), and (111) orientations offer different advantages, so the best choice depends on the device structure and manufacturing process.
