Ultra-Thin Glass Reduces Optical Errors

SCHOTT expands its product portfolio of glass wafers and substrates for the biotech and life sciences industry with D 263 bio, a clear borosilicate thin glass that exhibits high chemical resistance.


Contemporary optical analytic protocols have demanding physical, chemical and optical requirements. Auto-fluorescence, temperature and pressure cycles challenge the mechanical stability and reliability of such components during the process or over time. The D 263 bio meets these challenges by building on a proven legacy in optical diagnostics as set by the company’s D 263 M material for microscopy coverslips since 1963.

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It is nearly identical in its main constituents to the D 263 M, but it meets the more stringent surface and geometry specifications of demanding microfluidic assemblies. Cut and cleaned to advanced semiconductor wafer or substrate standards, it is well-suited to biotech and life science applications and manufacturing processes requiring glass substrates of high luminous transmittance, easy processability, and a range of thicknesses between 0.175 µm and 1.1 mm.


More specs are available for D 263 and D 263 M. For further information, contact SCHOTT North America, Inc., Elmsford, NY. 914-831-2200


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