A wiring board manufacturing system, which is an electric wiring forming system, utilizes a magnesium alloy as a conductive metal for wiring pattern forming, and mixes and heats the magnesium alloy chips thereof in a cylinder (feeding unit) with a built-in screw, melting same into an alloy slurry of...http://www.google.es/patents/US6519824?utm_source=gb-gplus-sharePatente US6519824 - Electric wiring forming system
