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Ted Pella Inc SAPPHIRE SUBSTRATE DISC

Supplier: Ted Pella Inc 160051020

Sapphire Substrate Disc, �25.4mm x 0.5mm (�1" x 0.020"), polished. The PELCO� Sapphire Discs or wafers are made from high purity clear sapphire (Al2O3), ground and optically clear polished on both sides. (Technical Data for Sapphire). Sapphire has a wide transmission range; from 150 to 6000nm with low absorbance in the 300 to 4500nm range. The discs are ideal as substrates for thin film research and are suitable for optical research. Excellent resistance against a wide range of chemicals. Surface polish to one microinch or better on each face. Tolerances are �0.001" (0.025mm) in diameter and thickness; flatness to 0.0003" (0.0008mm) or better.
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