TY - JOUR AU - Lei Chen AU - Quandou Wang AU - Ulf Griesmann C2 - Microelectronic Engineering DA - 2011-08-01 LA - en M1 - 88 PB - Microelectronic Engineering PY - 2011 TI - Plasma Etching Uniformity Control for Making Large and Thick Dual-Focus Zone Plates UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906649 ER -