Patent ID: 6149815
Filing Date: 2000-11-21
Classification: B01J,B01L,C40B,F04B,G01N

Abstract:
Apparatus which is a) useful for accurately transporting or dispensing one liquid or for accurately transporting or dispensing a plurality of the same or different liquids, in similar or different microliter to picoliter volume ranges, and, optionally, is b) useful for performing one or more other operations concurrently or sequentially on the same or different liquids and which comprises: one or more non-conducting receptacles, an electrically conductive dispensation plate, one or more targets, a grounded plate, insulation, a nonconductor of electricity, a high voltage supply, and an on/off switch;each receptacle having an outlet secured in a support and being in a position between the dispensation plate and a corresponding target;each target being conducting or non-conducting and being between the dispensation plate and the grounded plate;the insulation being between the dispensation plate and the grounded plate and insulating each of these plates from the other;the grounded plate being supported by the nonconductor; andthe high-voltage supply being connected, through the switch, to the dispensation plate.