TY - CONF AU - R Allen AU - Heather Patrick AU - M Bishop AU - Thomas Germer C2 - 2007 IEEE International Conference on Microelectronic Test Structures , Tokyo, 1, JA DA - 2007-01-01 00:01:00 LA - en PB - 2007 IEEE International Conference on Microelectronic Test Structures , Tokyo, 1, JA PY - 2007 TI - Study of Test Structures for Use as Reference Material in Optical Critical Dimension Applications ER -