Chip sorting devices include a rotatable disc having a plurality of wells for receiving chips therein, a plurality of channels for holding stacks of chips, at least one ejector for ejecting chips from the wells of the disc into the channels, and at least one removal lever associated with at least one...http://www.google.fr/patents/US7861868?utm_source=gb-gplus-shareBrevet US7861868 - Chip sorting and stacking devices
