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filingDate 2002-01-29-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3291f2374d98a33c3e1f184b38c0c47c
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publicationDate 2002-10-09-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-1247577-A2
titleOfInvention System for detecting fluids in a microfluid device
abstract das mikrofluidische Bauteil (1) weist mindestens einen Mikrokanal (4) mit einernBegrenzungswand (2,3) auf, die in einem transparenten Bereich dem Mikrokanalnzugewandt zwei spitzwinklig zueinander geneigte Flächen hat, ein Lichtsender (6) und ein Lichtempfänger (7), die außerhalb des Bauteils angeordnetnsind, sind so auf die geneigten Flächen (3',3'') in dem transparenten Bereich dernBegrenzungswand gerichtet, daß ein vom Lichtsender ausgesandter Lichtstrahl (8)nbei Anliegen eines Gases im Mikrokanal an den beiden Flächen nach Totalreflexionnan den beiden Flächen auf den Lichtempfänger trifft und beim Anliegennvon Flüssigkeit im Mikrokanal an mindestens einer der beiden Flächen innden Mikrokanal eintritt und hierdurch der Lichteinfall in den Lichtempfängernreduziert oder unterbunden wird. n System for the detection of fluids in a microfluidic component with the following features: the microfluidic component (1) has at least one microchannel (4) with a boundary wall (2, 3) which, in a transparent area facing the microchannel, has two surfaces inclined at an acute angle to one another, a light transmitter (6) and a light receiver (7), which are arranged outside the component, are directed onto the inclined surfaces (3 ', 3'') in the transparent area of the boundary wall in such a way that a light beam (8) emitted by the light transmitter when a gas is present in the microchannel on the two surfaces after total reflection on the two surfaces, the light receiver hits and when there is liquid in the microchannel it enters the microchannel on at least one of the two surfaces, thereby reducing or preventing the incidence of light into the light receiver.
isCitedBy http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102005062174-B3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1712282-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1712282-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2008145382-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2008145382-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102005062174-C5
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7894071-B2
priorityDate 2001-04-04-04:00^^<http://www.w3.org/2001/XMLSchema#date>
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