@conference{775181, author = {Michael Postek and H Ho and L Harrison}, title = {Dimensional Metrology at the Nanometer Level: Combined SEM and PPM}, year = {1997}, number = {3050}, month = {1997-07-01 00:07:00}, publisher = {Proceedings of SPIE, Metrology, Inspection, and Process Control for Microlithography XI, Susan K. Jones, Editor, Santa Clara, CA, USA}, language = {en}, }