The invention relates to a device comprising a first electric contact (8, 98) and a substrate (1, 91). The first electric contact (8, 98) comprises a first area (10, 110) with a first wettability, and the substrate (1, 91) comprises a second area (3) with a second wettability and a third area (2) with a third wettability and being adjacent to the second area (2). The first electric contact (8, 98) is attached on the substrate (1, 91) so that the first area (10, 110) of the first electric contact (8, 98) is adjacent to the second area (3), and the second area (3) is located between the first area (10, 110) and the third area (2). The first and the second wettability are higher than the third wettability. The invention also relates to a transponder (T1, T2, T3) which comprises the substrate (1, 91), an electric device (50, 80) and an antenna (7, 93).