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Optoelectronic sensor system

A photoelectric sensor, sensor layer technology, applied in fluorescence/phosphorescence, material excitation analysis, etc., can solve problems such as high cost, hindering miniaturization, and hindering the manufacture of reading systems

Inactive Publication Date: 2014-07-30
ASMAG HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, such systems require expensive optics to image the fluorescent signal onto the detector
These factors prevent the necessary miniaturization and also prevent the cost-effective manufacture of reading systems

Method used

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  • Optoelectronic sensor system

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Embodiment Construction

[0033] The incident angle of light rays entering the first glass carrier is preferably greater than the critical angle of total reflection between glass and PDMS, ie greater than 69°. (Refractive index: glass: n1=1.52, PDMS: n2=1.42->total reflection angle: α=arcsin(n2 / n1)=69.1°)

[0034] A photoelectric sensor system with this structure is characterized by the small size of this photoelectric sensor system, that is, the thickness of the first glass carrier can be, for example, 50 μm-200 μm, the thickness of the first glass carrier and the third glass carrier and the PDMS interlayer For example, it can be approximately 300 μm, and the overall thickness of the sensor can be, for example, approximately 1 mm.

[0035] The light source for excitation can be a laser, LED or OLED with a wavelength of 300nm-650nm.

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Abstract

The invention discloses an optoelectronic sensor system which homogeneously illuminates a sample and allows only resultant fluorescent light to pass to a photoactive layer. The technical problem is essentially achieved by providing a total reflection layer for the injected light in front of or above an optoelectronic sensor layer. The optoelectronic sensor system can be used in all fields in which microarray biochips are used.

Description

[0001] This divisional application is a divisional application based on the Chinese patent application with the application number 200780100546.2 (PCT / EP2007 / 006354), the application date is July 12, 2007, and the invention name is "photoelectric sensor system". technical field [0002] The invention relates to a photoelectric sensor system for exciting and detecting a sample. Background technique [0003] In the fields of medicine, pharmacy, biochemistry, genetics or microbiology, the use of microarray biochips is playing an increasing role. One such chip provides the results of thousands of reactions in the shortest possible time. Microarray biochips consist of a carrier material on which biological probe molecules (Sondenmolekuele) are firmly immobilized in high numbers and densities in so-called microarrays. Each of these points approximately replaces a reaction vessel. [0004] For the actual examination, fluorescence-based methods are used, for example, in which the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64
Inventor M·索纳雷特内尔
Owner ASMAG HLDG
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