A flex-rigid wiring board has an insulative adhesive interposed between portions, lapping over each other, of the rigid and flexible substrates; and the interconnecting electrode pads on the rigid and flexible substrates are electrically connected to each other through a conductor lump penetrating the...http://www.google.es/patents/US7655869?utm_source=gb-gplus-sharePatente US7655869 - Flex-rigid wiring board
