Roll-to-roll printed electronics
VTT-Technical Research Centre of Finland
VTT is one of Europe’s leading research institutions, owned by the Finnish state. Our task is to advance the utilisation and commercialisation of research and technology in commerce and society.
MedPhab partner
Non-photonic peripherals
NP1 Electronics
Roll-to-roll printed electronics
Roll-to-roll printed electronics
Substrate Plastic
Substrate type Roll
Substrate thickness 36-500 um
Layer alignment 2 fiducials
Substrate surface treatment Plasma
Roll width 50-300 mm
Roll length 1000 m
Working area 409x280 (MDxTD) mm
Printing method Rotary screen printing
Printing speed 2 m/min
File format .dxf
Conductor material Heat-curable silver paste
Conductor layer thickness 10 um
Curing temperature 140 C
Conductor sheet resistance <40 mOhms/sq
Insulator material UV-curable dielectric paste
Insulator layer thickness 30 um
UV wavelength 365 nm
UV dose 96 J/cm2
Minimum layer width 200 um
Minimum layer spacing 100 um
R2R printing lines at VTT are capable to produce multilayer circuitries in high volumes.
10000 hours