22 May 2009 New prospects for electron beams as tools for semiconductor lithography
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Proceedings Volume 7378, Scanning Microscopy 2009; 737802 (2009) https://doi.org/10.1117/12.822771
Event: SPIE Scanning Microscopy, 2009, Monterey, California, United States
Abstract
Maskless pattern generation using probe-forming electron beam systems has been exploited to great advantage for several decades in lithographic processes of both mask making and direct write applications used in the production of integrated circuits (ICs). The key limitation of these e-beam lithography systems has been and still is throughput. More efficient exposure techniques using shaped beams to project a multitude of pixels simultaneously have improved productivity but were unable to keep pace with Moore's Law and the steady increase of pattern densities. The recent development of massively parallel pixel projection has opened new prospects for electron beam lithography. The early proof-of-concept demonstrations of these techniques are the main subject of the paper.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hans C. Pfeiffer, Hans C. Pfeiffer, } "New prospects for electron beams as tools for semiconductor lithography", Proc. SPIE 7378, Scanning Microscopy 2009, 737802 (22 May 2009); doi: 10.1117/12.822771; https://doi.org/10.1117/12.822771
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