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Laser-based production of metallic conducting paths

: Vedder, C.; Stollenwerk, J.; Wissenbach, K.; Pirch, N.

Preprint urn:nbn:de:0011-n-1897929 (1.1 MByte PDF)
MD5 Fingerprint: c25c3bdc3ad7737dca5f2a551f0e7d33
Erstellt am: 10.5.2012

Schmidt, M. ; Wissenschaftliche Gesellschaft Lasertechnik -WLT-:
Lasers in Manufacturing 2011, Sixth International WLT Conference on Lasers in Manufacturing. Proceedings : May 23-26, 2011, München; LiM 2011
Amsterdam: Elsevier, 2011 (Physics Procedia 12. 2011, Pt.2)
ISSN: 1875-3892
International Conference on Lasers in Manufacturing (LIM) <6, 2011, München>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ILT ()

For numerous devices such as OLEDs, solar cells or heated windows conducting paths are needed for collecting or distributing electricity on poorly or non-conducting surfaces. With established techniques the metallic paths can only be produced with a great deal of effort, incurring high costs for plant, equipment and energy. A new laser based process to manufacture conducting paths allows for writing narrow paths (down to 35m width) of Al, Cu, Ag or similar materials onto flat surfaces of glass (plain or coated with ITO) and silicon wafers by melting and vaporizing a metal foil through optical energy at high speeds of up to 2.5 m/s.