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.
TTV means Total Thickness Variation. It describes the difference between the thickest and thinnest points on a wafer. For silicon wafer production, this value is one of the most important indicators of thickness uniformity. A wafer may have the correct average thickness, but if the surface thickness changes too much from one area to another.
Thin silicon wafers can be produced in many thickness ranges, but the right answer depends on wafer diameter, process route, handling method, polishing requirement, and final device use. For standard semiconductor processing, silicon wafers are often kept thick enough for mechanical stability.
Resistivity determines how strongly a silicon wafer resists electrical current flow. For device production, this value is not a small technical detail. It affects doping behavior, thermal oxide growth, junction performance, leakage current, RF loss, sensor response, and long-term device stability.
