Roll-roll printing and coating line

Roll-roll printing and coating line
Transnational Access Activity/Installation
TA3. Prototype fabrication • TA3.3. Industrial printing

Equipment: Roll-roll printing and coating line
Technique: Roll-to-roll Printing, coating, drying and laser patterning
Contact Person (Forschungszentrum Jülich): Hans-Joachim Egelhaaf (h.egelhaaf@fz-juelich.de)

Description: Roll-to-roll line for manufacturing solar modules and other types of printed electronics. It provides multiple stations for printing, coating, drying and laser patterning in a dust and humidity-controlled environment. Front-end (web splicing, winding, slitting) capabilities as well as back-end (packaging, bussing, connector application, laser-cutting) processes are available to make fully operational and packaged prototypes. For pre-printing trials, a fully printing and coating equipped lab with extended spectroscopy methods is available. Inkjet, slot-die as well as meniscus coating can be performed on sheet-to-sheet machines on areas between 1cm2 to 400 cm2 in order to validate results before moving processes on the roll to roll printing machinery.


  • 3 slot die coating stations
  • 2 flexo printing stations
  • 3 ovens for convectional and infrared drying
  • femtosecond and nanosecond lasers for patterning
  • backend equipment for bus bar application and encapsulation
  • maximum web width 300 mm
  • web material: PET (standard), others may be used if provided by customer
  • maximum web speed: 10 m/min
  • maximum web temperature: 140 °C (PET)
  • relative humidity adjustable down to < 15%
  • registration accuracy < 100 µm
  • laser patterning line width down to 10 µm
  • in-line quality control: contactless electrical resistance, UV/Vis absorption

Link for additional information: https://www.hi-ern.de/hi-ern/EN/home.html