451. Planare Direktantriebe für Hochleistungsmaschinen   Ch. Schäffel, M. Katzschmann St. Michael S. Pause F&M Feinwerktechnik-Mikrotechnik-Mikroelektronik, 2000, S. 6  

  452. Planar Multi-Coordinate Drives   E. Saffert, Ch. Schäffel E. Kallenbach PCIM, Nürnberg, Mai 1998  

  453. Planar motor concept for positioning with nanometer position uncertainty   St. Hesse, C. Schäffel M. Katzschmann T. Maass H.-U. Mohr 8th International Conference euspen 2008, 18.-22. Mai 2008, Zurich, Switzerland  

  454. Planar motor concept for positioning with nanometer position uncertainty   St. Hesse, C. Schäffel M. Katzschmann T. Maass H.-U. Mohr 8th International Conference euspen 2008, 18.-22. Mai 2008, Zurich, Switzerland  

  455. Planar Motion Systems and Magnetic Bearings   Ch. Schäffel, 4th Polish-German Mechatronic Workshop 2003, Suhl, Juni 2003  

  456. Planar Motion System for a Nanopositioning- and Nanomeasuring Machine (NPMM, NMM) with 200x200m² operating range   St. Hesse, H.-U. Mohr Ch. Schäffel 4th EUSPEN International Conference and 6th Annual General Meeting, Glasgow, 30.05-03.06.2004  

  457. Planar Magnetic Drives and Bearings for Multi-Axis Nanopositioning Machines with Large Travel Ranges.   T. Sattel, R. Volkert S. Hesse Dr. Ch. Schäffel Actuator 2010, 14.06.-16.06.2010, Bremen  

  458. Planar Magnetic 6D Levitating system with Compact Sensor   Christoph Schäffel, Michael Katzschmann Hans-Ulrich Mohr Rainer Glöß Christian Rudolf Christopher Mock Carolin Walenda R. Liang 27th Annual Meeting of the American Society for Precision Engineering (ASPE), 2012, San Diego, USA, 21.10.2012-26.10.2012  

  459. Planar Magnetic 6D Levitating system with Compact Sensor   Christoph Schäffel, Michael Katzschmann Hans-Ulrich Mohr Rainer Glöß Christian Rudolf Christopher Mock Carolin Walenda R. Liang 27th Annual Meeting of the American Society for Precision Engineering (ASPE), 2012, in Proceedings, ISBN 978-1-887706-61-2, p. 99-102  

  460. Planar Magnetic 6D Levitating System with Compact Sensor   Christoph Schäffel, Michael Katzschmann Hans-Ulrich Mohr Rainer Glöß Christopher Mock Christian Rudolf Carolin Walenda 6. Tagung 'Feinwerktechnische Konstruktion', Dresden, 08.11.2012