Optical Flatness Metrology for 300 mm Silicon Wafers Optical Flatness
A better way to use optical flats: Fizeau (ish) interferometer thingy Metrology Lab Demonstration videos 10 Measurement of Flatness Error using Optical Flat Scanning a variety of precision optical and metrology equipment to find the flattest and smoothest material CONSIDER Video shows what optical flat means. A disk of high-quality quartz glass having at least one side ground and polished with a ...