Used GUARDIAN (Wafer Testing And Metrology) for sale

GUARDIAN is a well-known manufacturer of wafer testing and metrology equipment, providing industry-leading solutions for semiconductor manufacturing processes. Their analogues are designed to effectively test and measure the electrical and physical properties of wafer substrates with precision and accuracy. One of the major advantages of GUARDIAN's wafer testing systems is their ability to perform non-destructive testing, ensuring that wafers remain intact and can continue through the production process. These units are equipped with advanced technologies such as multiple-point capacitance sensors and laser interferometers, enabling highly accurate measurements of wafer thickness, flatness, and bow. Metrology machines from GUARDIAN offer comprehensive analysis and characterization capabilities, enabling semiconductor manufacturers to assess various parameters of the fabricated wafers. These tools utilize techniques like optical profilometry, scanning electron microscopy (SEM), and atomic force microscopy (AFM) to examine surface topography, film thickness, and critical dimensions. An example of GUARDIAN's wafer testing system is the SRM-232, which is specifically designed for silicon-based wafers. With its advanced scanning technology and automatic edge detection, the SRM-232 provides efficient and reliable wafer measurement and inspection. Another example is the FT-200, a metrology system that offers comprehensive film thickness measurement and substrate conductivity evaluation, enabling manufacturers to ensure the quality and reliability of their semiconductor wafers. Overall, GUARDIAN's wafer testing and metrology assets offer state-of-the-art technology and reliable performance, making them preferred choices for semiconductor manufacturers worldwide.