A solder ball dispenser (100) has feeder unit, head unit chambers (200, 300) and a pneumatic singulator (370). Solder balls (101) are mobilized in the chambers by moving air. The solder ball dispenser receives a continuous supply of unorganized solder balls and arranges them in a single stack (340)....http://www.google.es/patents/US6830175?utm_source=gb-gplus-sharePatente US6830175 - Solder ball dispenser
