A positive photoresist bead is removed from an edge surface of a substrate by exposing the photoresist bead with light from an exposing source along a plurality of non-parallel paths approximately normal to the surface of the photoresist bead. The cover includes rigid or semi-rigid sides hingeably joined and held in position with flexible straps. The annuloplasty band preferably has a low profile. %, based on the total weight of alloy, of samarium, about 0.