A medical balloon is made radiographic, such as by incorporating a radiopaque foil or film layer. One or a plurality of transition layers may be provided between the ultra hard material layer and the cutting element body. A non-epoxy, non-urethane thermoset coating is heated to at least its melting point or dissolved in a solvent or both, and sprayed into the heating device and onto the particles. If the first storage pool has more than the threshold number of empty physical volumes, then at least one empty physical volume is returned to a second storage pool. Sharing the ROM pull down logic circuit reduces the need to duplicate logic and may result in a savings of chip area as well as a savings of power.