The W1032 – D263T 100 mm dia × 0.3 mm thick optical wafer is a precision-manufactured thin borosilicate glass substrate made from SCHOTT D 263T glass, offering excellent optical transparency, high chemical resistance, and low thermal expansion ideal for demanding optics and microfabrication applications. With tightly controlled 100 mm diameter and 0.30 mm thickness tolerances, a 95 % clear aperture, fine ground edge finish, and a safety break edge, this wafer delivers stable dimensional performance and superior surface quality, making it well-suited for imaging systems, sensor covers, micro-optics, coating substrates, and research-grade optical applications where consistent material properties are essential.