Method for preparing microfluidic channels in glass by simple hot-pressing process
A technology of microfluidic channel and hot-pressing process, which is applied in the directions of laboratory containers, chemical instruments and methods, laboratory utensils, etc. The effect of non-toxic pollution, simple and easy preparation method and mild reaction conditions
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[0019] Example 1
[0020] 1) Nickel alloy & template and glass surface treatment: Polish the surface with an optical polisher so that the roughness does not exceed 100 microns and the flatness is good, and then washed with acetone, and then rinsed and dried with deionized water repeatedly. 2) Develop template patterns according to actual needs, which are made by drawing software and transmitted to the computer connected with the laser. DPSS laser engraving nickel alloy microchannel template parameters are set to: 30kHz frequency, 15W laser power, 120mm / s writing speed, and repeat 100 times. 3) Hot-pressed glass-based microfluidic channel: Put the nickel alloy template and glass slide in Align under the microscope, press the briquette in a muffle furnace, heat up at 15 degrees per minute to 580 degrees, hold for 5 minutes to release the internal tension of the template and glass, and then heat up to the hot pressing temperature at a rate of 10 degrees per minute to 660 degrees , ...
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[0024] Example 2
[0025] 1) Nickel alloy & template and glass surface treatment: Polish the surface with an optical polisher so that the roughness does not exceed 100 microns and the flatness is good, and then washed with acetone, and then rinsed and dried with deionized water repeatedly. 2) Develop template patterns according to actual needs, which are made by drawing software and transmitted to the computer connected with the laser. DPSS laser engraving nickel alloy microchannel template parameters are set to: 30kHz frequency, 15W laser power, 120mm / s writing speed, and repeat 100 times. 3) Hot-pressed glass-based microfluidic channel: Put the nickel alloy template and glass slide in Align it under the microscope, place it in a furnace and increase the temperature from 15 degrees per minute to 580 degrees per minute, hold for 5 minutes to release the internal tension of the template and glass, and then heat up to the hot pressing temperature of 660 degrees at a rate of 10 degr...
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