Machining method of micro-drop and micro-fluidic control chip
A microfluidic chip and microdroplet technology, applied in chemical instruments and methods, laboratory containers, laboratory utensils, etc., can solve the problems of fragile, non-light-transmitting surface chemical behavior, and high bonding rejection rate. , to increase flexibility and diversity, facilitate observation and manipulation, and resist corrosion by organic solvents
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[0030] Example 1. Fabrication of T-shaped micro-droplet microfluidic chip
[0031] The process flow chart produced in this embodiment is as figure 1 Shown.
[0032] (1) Design the channel structure of the micro-droplet microfluidic chip as a T-shaped channel;
[0033] (2) According to the designed T-shaped channel, use a glass knife to cut out the required specifications and size of the component glass sheets A, B and C on the quartz glass slide;
[0034] (3) Build the designed T-shaped channel on the quartz glass substrate with the glass sheets A, B and C of each component, such as figure 1 As shown in (a); in the microchannel of the T-shaped channel, a cylindrical glass capillary with a tapered tail and a cylindrical glass capillary with the same inner and outer diameters are set, which has a tapered tail The tapered end of the cylindrical glass capillary tube is inserted into the cylindrical glass capillary tube and is arranged coaxially. The diameter of the tapered port of the cyl...
Example Embodiment
[0037] Example 2. Fabrication of cross-shaped micro-droplet microfluidic chip
[0038] The process flow chart produced in this embodiment is as figure 1 Shown.
[0039] (1) Design the channel structure of the micro-droplet microfluidic chip as a cross-shaped channel;
[0040] (2) According to the designed cross-shaped channel, use a glass knife to cut the required specifications and sizes of the component glass sheets A’, B’, C’ and D’ on the glass slide made of borosilicate glass;
[0041] (3) Build the designed T-shaped channel on the substrate made of borosilicate glass with the glass sheets A’, B’, C’ and D’ of each component, such as figure 1 As shown in (a'); a cylindrical glass capillary with a tapered tail and a cylindrical glass capillary with a tapered tail and a cylindrical glass capillary with the same inner diameter and outer diameter are arranged in the microchannel of the cross-shaped channel. The tapered end of the cylindrical glass capillary tube with a tapered tail i...
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