A system comprising a scavenging blade, a printed wiring board receiving portion, and a movement mechanism adapted to move the scavenging blade and printed wiring board receiving portion relative to each other, and to a method of removing excess fill material comprising providing a printed wiring board...http://www.google.fr/patents/US6840425?utm_source=gb-gplus-shareBrevet US6840425 - Scavenging system
