In an embodiment, the film product includes a film substrate having a first surface and a second surface opposite the first surface. The film substrate has a length in a first direction and a width in a second direction perpendicular to the first direction. A first plurality of pads is on one of the first surface and the second surface, and the first plurality of pads is arranged in a third direction, the third direction being diagonal with respect to at least one of the first direction and the second direction. At least one merge line is electrically connecting at least two of the first plurality of pads.