Microfluidic device and preparation method thereof
A technology of microfluidics and devices, applied in chemical instruments and methods, laboratory utensils, laboratory containers, etc. problems, to achieve the effect of improving processing efficiency, reducing structure and process complexity
Active Publication Date: 2022-03-04
苏州研材微纳科技有限公司
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Problems solved by technology
[0003] The structure and process of current microfluidic devices are complicated, the cost is high, and it is difficult to meet the needs of industrial development.
Method used
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[0046] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0047] Such as Figure 12 As shown: in the case of satisfying the characteristics of the microfluidic device, in order to reduce the complexity of the structure, the present invention includes a microfluidic substrate 7 and a glass sheet 1 positioned directly above the microfluidic substrate 7, in the A metal electrode layer 12 is provided on the surface of the glass sheet 1 adjacent to the microchannel substrate 1, and an SU8 support body 10 and a microstructure adapted to the SU8 support body 10 are provided on the surface of the microchannel substrate 7 adjacent to the glass sheet 1. Runner 11;
[0048] The metal electrode layer 12 can be bonded and fixed with the SU8 support body 10, and the glass sheet 1 is supported on the microfluidic channel substrate 7 by the bonded metal electrode layer 12 and the SU8 support body 10, and the sheet hole 6 on the glas...
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Abstract
The invention relates to a microfluidic device and a preparation method thereof, belonging to the technical field of microfluidic devices. According to the technical solution provided by the present invention, the microfluidic device includes a microfluidic substrate and a glass sheet directly above the microfluidic substrate, on the side of the glass sheet adjacent to the microfluidic substrate A metal electrode layer is arranged on the surface, and a SU8 support body and a micro flow channel adapted to the SU8 support body are arranged on the surface of the microchannel substrate adjacent to the glass sheet; the metal electrode layer can be bonded and fixed with the SU8 support body, and the glass sheet passes through The bonded metal electrode layer and the SU8 support are supported on the micro-channel substrate, the sheet holes on the glass sheet correspond to the micro-channels on the micro-channel substrate, the sheet holes pass through the glass sheet, and the sheet holes communicate with the corresponding microfluidic channel. The invention has a compact structure, is compatible with the existing technology, reduces the cost of production and use, and is safe and reliable.
Description
technical field [0001] The invention relates to a device and a preparation method thereof, in particular to a microfluidic device and a preparation method thereof, belonging to the technical field of microfluidic devices. Background technique [0002] Microfluidic devices can integrate many basic functions involved in the fields of biology and chemistry, such as sample preparation, reaction, separation, detection and analysis; specifically, microfluidic devices are composed of microchannels to form a network to meet the requirements of controllable fluid penetration. The entire device realizes the automatic completion of the whole analysis process. Because the analysis system of microfluidic devices has many advantages such as high integration, high sensitivity, low cost, miniature and easy to carry, this makes it widely used in material synthesis, biomedicine, food safety, environmental protection, and biochemical detection. There are huge application prospects in various ...
Claims
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IPC IPC(8): B01L3/00
CPCB01L3/502707B01L2300/0819
Inventor 王云翔李瑾冒薇王丰梅
Owner 苏州研材微纳科技有限公司