1. Goettert J, Ahrens G, Bednarzik M, Degen R, Desta Y, Gruetzner G, Jian L, Loechel B, Ruhmann R, Yoonyoung J (2002) Cost Effective Fabrication of High Precision Microstructures Using a Direct-LIGA Approach. In: Proceedings of COMS 2002, Ypsilanti, Michigan, September
2. Kouba J, Bednarzik M, Engelke R, Ahrens G, Miller H, Haase D (2006) Optimizing SU-8 Resist to Fabricate Micro-Metallic Structures. Solid State Technol. April 39–44
3. Loechel B, Goettert J, Desta YM (2007) Direct LIGA service for prototyping: status report. Microsyst Technol 13:327–334