TY - RPRT 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 AU - Belzer, B J AU - Chandler-Horowitz, D AU - Novotny, D B AU - Candela, G A AU - Croarkin, M C PY - 1988 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-109 DO - 10.6028/NBS.SP.260-109 ER -