Optical glass surface ultra-clean cleaning method
A technology for optical glass and glass surface, applied in cleaning methods and utensils, cleaning methods using liquids, chemical instruments and methods, etc., which can solve unfavorable product quality control and improvement, unstable product cleaning effect, and inability to effectively remove dirt To avoid unstable product quality, reduce water residue and dirt residue, and avoid adverse effects
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[0025] Example 1
[0026] An ultra-clean cleaning method for the surface of optical glass includes the following steps:
[0027] Step 1): Immerse the glass that has completed the grinding and polishing process in water at room temperature to avoid dehydration and solidification of the grinding powder on the glass surface;
[0028] Step 2): Soak the glass in an aqueous solution of citric acid with a mass fraction of 3% at 60°C, and use ultrasonic cleaning for 4 minutes to soften the powder and reduce the adhesion of the powder;
[0029] Step 3): Immerse the glass in pure water at 60°C and use ultrasonic cleaning for 4 minutes to remove most of the remaining acid on the glass surface;
[0030] Step 4): Immerse the glass in a water-based environmentally friendly cleaning agent with a mass fraction of 3% at 60°C, and use ultrasonic cleaning for 4 minutes to neutralize the acid and remove the dirt remaining on the surface of the glass;
[0031] Step 5): Soak the glass in a water-based environ...
Example Embodiment
[0036] Example 2
[0037] The difference from Example 1 is that the mass fraction of the citric acid aqueous solution used in step 2) is 1%.
Example Embodiment
[0038] Example 3
[0039] The difference from Example 1 is that the water outlet speed of the glass in step 7) is controlled to 6 mm / s.
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