1. aBeam Technologies Inc., 22290 Foothill Boulevard, Suite 2, Hayward, California 94541, United States
2. Molecular Foundry, Lawrence Berkeley National Laboratory, 67 Cyclotron Road, Berkeley, California 94720, United States
3. Instituto de Microelectronica de Barcelona Campus UAB, Bellaterra, Barcelona 08193, Spain
4. Micro Resist Technology, Kopenicker Street 325, Berlin D-12555, Germany