1. Overview of the ion projection lithography European MEDEA and international program
2. H. Loeschner, G. Stengl, A. Wolter, and R. Kaesmaier, “Performance of ion projection lithography (IPL),”Proc. SEMI Technology Symposium 2001, Chiba, Japan, Dec. 5–7, 2001, pp. 8-52–8-55, Semiconductor Equipment and Materials International (2001).
3. A. Chalupka, H. Buschbeck, E. Haugeneder, R. Korntner, G. Lammer, W. Lammer, H. Loeschner, G. Stengl, and P. W. H. de Jager, “Ion projection lithography—future tool concepts,” 5th Intl. SEMATECH Next Generation Lithography (NGL) Workshop, Pasadena, CA 29 Aug. 2001, http://www.sematech.org/public/resources/litho/meetings/ngl/ng10901/Technical%20Champions%20Presentations/IPL%20Presentation%20NGL%20WS%202001.pdf.
4. Measures to achieve 20nm IPL stencil mask distortion
5. S. Schunck, pdf solutions/aiss division, Munich, Germany, private communication (Sep. 2001).