@misc{91651, author = {Christopher Evans and R Parks and L Shao and Angela Davies}, title = {Interferometric Metrology of Photomask Blanks: Approaches Using 633 nm Wavelength Illumination}, year = {2000}, month = {2000-12-01}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, language = {en}, }