A kind of glass etching method
A kind of etching and glass technology, applied in the field of glass etching, can solve the problems of serious toxicity and environmental pollution, not involving surface finish, unable to guarantee surface finish, etc., to achieve the effect of improving finish and reducing roughness
Active Publication Date: 2022-07-22
泰极微技术(苏州)有限公司
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Problems solved by technology
[0004] CN104926145A discloses a glass etching process, wherein the etching solution used includes water, hydrofluoric acid, sulfuric acid, nitric acid, sodium nitrite and acetic acid, but does not involve the problem of surface finish after etching, and uses hydrogen Hydrofluoric acid, more serious toxicity and environmental pollution
CN111116047A discloses a method for manufacturing frosted glass, which uses a fluorine-free alkaline etching solution with a catalyst to etch the atomized layer; strengthens the etched glass substrate, but the obtained It is atomized glass, which cannot guarantee the surface finish after etching
[0007] Therefore, there is an urgent need to develop a glass etching method to solve the problem of the surface finish of the existing glass etching
Method used
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Embodiment 1
[0043] This embodiment provides a glass etching method, and the glass etching method includes the following steps:
[0044]Under ultrasonic conditions of 75° C. and a frequency of 200 kHz, the soda glass is etched with an etching solution; the etching solution contains ethanol with a volume concentration of 20% and sodium hydroxide with a mass concentration of 38% in water.
[0045] The test chart of glass surface roughness after etching in this embodiment is as follows figure 1 shown, from figure 1 It can be seen that the glass surface after etching is relatively smooth and the roughness is small.
Embodiment 2
[0047] This embodiment provides a glass etching method, which is the same as that of Embodiment 1 except that the etching solution contains ethanol with a volume concentration of 5%.
Embodiment 3
[0049] This embodiment provides a glass etching method, which is the same as that of Embodiment 1 except that the etching solution contains ethanol with a volume concentration of 10%.
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Abstract
The invention provides a glass etching method. The glass etching method greatly reduces the roughness of the inner wall of the glass after etching by using a solution of alkali and an alcohol organic compound with a carbon number of ≤10 as the etching solution, and using ultrasonic waves as an auxiliary. Its roughness can reach ≤6nm, can be widely used in the etching of various glasses, and has broad application prospects.
Description
technical field [0001] The invention relates to the technical field of etching, in particular to a glass etching method. Background technique [0002] Glass is a transparent solid at room temperature, and forms a continuous network structure when it is melted. During the cooling process, the viscosity gradually increases and hardens without crystallizing silicate non-metallic materials. The main component of ordinary glass is silica. The etching of glass can make ordinary glass appear in front of the public in the form of graceful shape, texture of ice carving and jade carving, etc., and also provide conditions for new uses of glass. Traditional glass etching uses fluorine-containing etching solution. [0003] CN104341111A provides a method for regenerating a glass etching solution and a glass etching method. A potassium ion compound is used to perform a stirring reaction with an aging glass etching solution, and soluble glass slag in the aging solution is removed by filtr...
Claims
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IPC IPC(8): C03C15/00
CPCC03C15/00
Inventor 张轶鸣
Owner 泰极微技术(苏州)有限公司