Patent ID: 6481648
Filing Date: 2002-11-19
Classification: B01L,G01N,H01J

Abstract:
Microfluidic chip for the chemical, physical, and/or biological analysis or synthesis of substances, comprising a channel structure arranged on one side of a carrier having an essentially flat portion, the substances being capable of being moved according to the channel structure under the imposition of an electrical potential, an integrated micro spray tip for dispersion spraying of the substances, the micro spray tip and the carrier being a monolithic single unit;the micro spray tip and the channel structure being arranged on opposite sides of the same carrier, the micro spray tip including a passage channel projecting substantially at right angles to a plane of the channel structure of the flat portion of the carrier; the micro spray tip, on the side of the carrier including the channel structure being connected by the passage channel thereof to the channel structure of the carrier flat portion in a substance-conveying manner; and an electrical voltage source connected to the micro spray tip in an electrically-conductive manner for dispersion spraying of the substance.