TY - GEN AU - B J Belzer AU - D Chandler-Horowitz AU - D B Novotny AU - G A Candela AU - M C Croarkin C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1988-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.260-109 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1988 TI - Standard Reference Materials:Preparation and certification of SRM-2530, ellipsometric parameters ? and ? and derived thickness and refractive index of a silicon dioxide layer on silicon ER -