1 Department of Physics, University of Cambridge, Cambridge, UKCB3 0HE.
2 Department of Polymer Chemistry and Materials Science Center, University of Groningen, Nijenborgh 4, NL-9747, AG Groningen, The Netherlands.
3 Department of Physics, University of Cambridge, Cambridge, UKCB3 0HE and Department of Polymer Chemistry and Materials Science Center, University of Groningen, Nijenborgh 4, NL-9747, AG Groningen, The Netherlands.
Film break-up driven by an electric field or temperature gradient typically exhibit a characteristic length scale. The presence of a lateral confinement significantly alters this pattern formation process.