Piezoelectric-drop-on-demand technology
作者： Roeland E. Papen
DOI:
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摘要: A method and apparatus for cleaning the interior of capillary tubes (62) used to dispense 1 100 micron diameter liquid droplets by a piezoelectric transducer (60) surrounding each tube. Magnetic particles are aspirated into moved an exterior magnet cause deposits on walls be dislodged subsequently discharged from In preferred embodiment, magnetic coated with material capable binding such deposits.
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