Lead-less tantalum capacitors are made using a lead frame (1) formed to provide connection terminals (3,4) separated by an H-shaped aperture (7) and a bent-up anode support station (5). A two-part mould (13,13a) is used to injection mould plastics around the capacitor bodies prior to detaching the capacitors...http://www.google.es/patents/US4571662?utm_source=gb-gplus-sharePatente US4571662 - Leadless capacitors
