A pipette station is described for use in the field of sample analysis. The pipette station increases the rate and ease with which a liquid may be manipulated into and out of sample carriers such as microwell plates. The pipette station includes shafts in the X, Y, and Z direction which possess ball...http://www.google.com.hk/patents/US6325114?utm_source=gb-gplus-share專利 US6325114 - Pipetting station apparatus
