A partly bent electric circuit is formed including a main circuit substrate in which electric parts such as IC are carried to form an electric circuit, a sub-circuit substrate in which electric parts such as LED which can be recognized from the surface of the set, and a ribbon form metal piece for electrically...http://www.google.fr/patents/US6075708?utm_source=gb-gplus-shareBrevet US6075708 - Partly bent electric circuit substrate and method for manufacturing the same
Partly bent electric circuit substrate and method for manufacturing the same