Micro-flow control system, normally-closed micro-valve and control method
A technology of microfluidic control system and microvalve, which is applied in valve devices, engine components, mechanical equipment, etc., can solve the problems of inability to achieve precise control, increase the difficulty of chip manufacturing, and inability to achieve micron level, etc. The effect of advanced production and commercial use, low requirements for processing equipment and raw materials, and a single wavelength
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[0041] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. For the convenience of description, if the words "up", "down", "left" and "right" appear in the following, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure.
[0042] A microfluidic system, such as figure 2 As shown, it includes a laser light source 5 arranged on the outside of the chip and as figure 1 As shown in the normally closed microvalve, the laser light source 5 is used to melt or vaporize the valve core 4 of the normally closed microvalve to open the normally closed microvalve. Such as figure 1 As shown, the microfluidic pipeline 2 is provided with a valve core 4, which divides the microfluidic pipe...
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