In a flexible wiring board of the present invention, a first shield film is connected to a ground wiring at the bottom of an opening in a cover film. The first shield film is connected to a second shield film via a through-hole penetrating from the surface to the rear surface of a base film. Thus, the...http://www.google.com.au/patents/US6777622?utm_source=gb-gplus-sharePatent US6777622 - Wiring boards