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.
Dummy silicon wafers are used to protect production wafers, stabilize equipment conditions, test process recipes, and reduce the cost of trial runs. They are not final device wafers, but they play an important role in semiconductor manufacturing, laboratory testing, equipment calibration, cleaning cycles, oxidation, deposition, lithography setup, and handling verification.
Thermal oxide wafers are used when a silicon substrate needs a high-quality silicon dioxide layer for insulation, masking, surface protection, dielectric control, or process development. The value of a thermal oxide wafer comes from the oxide layer grown on the silicon surface, not only from the base wafer.
N type silicon wafers are used when a device structure needs electron-based conductivity, controlled resistivity, stable leakage behavior, and compatibility with later diffusion, oxidation, epitaxy, or ion implantation steps. Compared with a general silicon substrate order, the key question is not only whether the wafer is N type.
