A printed circuit board 100 comprises a substrate 102 and a plurality of conductive traces 104-116 formed on the surface of the substrate 102. The conductive traces 104-116 include a marker trace 104 which is formed through the same process and of the same material as the other conductive traces 106-116...http://www.google.com/patents/US6191369?utm_source=gb-gplus-sharePatent US6191369 - Printed circuit board having a marker trace for component alignment
