DEVICE AND METHOD FOR PATTERNING A SURFACE OF A POLYMER LAYER

摘要

The present invention relates to a device for forming topographic features on a surface of a polymer layer comprising: a polymer layer (1 ); a substrate (2) comprising a conductor, a first surface (1 a) of the polymer layer (1 ) being provided on the substrate (2); and at least one electrode (3) which, when the device is in use, interacts with a second surface (1 b) of the polymer layer (1 ), wherein, when in use, the device is operable to apply a first electrical potential (P1 ) to the at least one electrode (3) relative to the substrate (2), thereby to cause a protrusion (4) to be formed on the second surface (1 b) of the polymer layer (1 ).