阅读说明：本技术 一种用于处理摄像头镜片cd纹蚀刻液及其使用方法 (Etching solution for processing CD (compact disc) lines of camera lens and using method thereof ) 是由 郑资来 刘克山 于 2019-11-26 设计创作，主要内容包括：本发明提供一种用于处理摄像头镜片CD纹蚀刻液及其使用方法,其中本方面的一种用于处理摄像头镜片CD纹蚀刻液的制备原料包括：2～4份的氢氟酸溶液,6～8份的硫酸溶液、5～6份的盐酸溶液、3份的醋酸溶液和79～84份的水,该方法用于处理摄像头镜片产品表面,使摄像头镜片纹路产生金属反光,让纹路更清晰、线条更完美,质感更好,产品更高档。(The invention provides an etching solution for processing CD (compact disc) grains of a camera lens and a using method thereof, wherein the preparation raw material for the etching solution for processing the CD grains of the camera lens comprises the following steps: the method is used for treating the surface of a camera lens product, so that metal reflection is generated on lines of the camera lens, the lines are clearer, the lines are more perfect, the texture is better, and the product is higher-grade.)

1. The utility model provides a be used for handling camera lens CD line etching solution which characterized in that: the preparation raw materials comprise the following components in parts by weight: 2-4 parts of hydrofluoric acid solution, 6-8 parts of sulfuric acid solution, 5-6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 79-84 parts of water.

2. The etching solution for processing the CD striations of the lens of the camera according to claim 1, wherein: the hydrofluoric acid solution contains 10-40 wt% of hydrofluoric acid molecules, 0-0.001 wt% of chloride and 0-0.002 wt% of sulfate.

3. The etching solution for processing the CD striations of the lens of the camera according to claim 1, wherein: the weight fraction of sulfuric acid molecules contained in the sulfuric acid solution is 75-98.3 wt%.

4. The etching solution for processing the CD striations of the lens of the camera according to claim 1, wherein: the content of HCl molecules in the hydrochloric acid solution is 10-38 wt%.

5. The etching solution for processing the CD striations of the lens of the camera according to claim 1, wherein: the content of acetic acid molecules in the acetic acid solution is 36-38 wt%.

6. A use method for processing a CD pattern etching solution of a camera lens is characterized by comprising the following steps: the method comprises the following steps:

s1, adding 2-4 parts of hydrofluoric acid solution, 6-8 parts of sulfuric acid solution, 5-6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 79-84 parts of water into a batching tank, uniformly mixing to obtain a mixed solution, uniformly stirring, and diluting to obtain a CD pattern etching solution of the camera lens;

s2, etching the CD striations of the camera lens by the CD striation etching solution of the camera lens prepared in the step S2 at a speed of 2.5-6 mu m/min.

7. The use method of the etching solution for processing the CD striations of the camera lens, according to claim 6, is characterized in that: the stirring temperature of the mixed liquid in the step S1 is 50-60 ℃, and the stirring time is 10-20 min.

8. The use method of the etching solution for processing the CD striations of the camera lens, according to claim 6, is characterized in that: the concentration of the diluted CD pattern etching solution for the camera lens in the step S1 is 10-50 wt%.

Technical Field

The invention relates to the technical field of etching solutions, in particular to an etching solution for processing CD (compact disc) stripes of a camera lens and a using method thereof.

Background

The laser technology has the advantages of high speed, high precision, high efficiency and the like, and is gradually used in the field of processing of mobile phone lenses in recent years, and the mobile phone lenses after laser processing need to be thinned. The commonly used thinning method has two types, one is a physical method, namely, polishing powder is used for grinding and polishing, the method has long thinning time, poor control on precision and low product yield; the other method is a chemical etching method, the method has short thinning time, small equipment investment, high product yield, simple components of the thinning liquid and low cost, and gradually becomes the mainstream technical method for thinning. In the etching process of the etching liquid in the prior art, the defects such as pits, scratches and the like generated on the surface of the mobile phone lens in the laser processing process can be amplified, the first pass rate is low, and the surface defects of the mobile phone lens can be overcome only by grinding the mobile phone lens again in the later stage.

In the prior art, the common processes of silk-screen printing and transfer printing are used for the CD lines of the lens of the mobile phone camera, and firstly, the silk-screen printing process and the transfer printing process generate tiny oil spillage due to the adoption of printing ink in the manufacturing process, and after the printing ink is amplified on equipment, the lines are irregular, the lines of the product are not clear enough, and the precision is not enough. Secondly, the lines obtained by the silk-screen printing and transfer printing process are convex, the service life of the product is short, and the hidden trouble of the falling of the lines exists.

Disclosure of Invention

In order to solve the problems, the invention provides an etching solution for processing CD (compact disc) grains of a camera lens and a using method thereof, the method is used for processing the surface of a camera lens product, so that the grains of the camera lens are reflected by metal, the grains are clearer, the lines are more perfect, the texture is better, the product is higher-grade, and the technical scheme is as follows:

the invention aims to provide an etching solution for processing CD (compact disc) grains of a camera lens, which has the technical points that: the etching solution for processing the CD lines of the camera lens comprises the following preparation raw materials in parts by weight: 2-4 parts of hydrofluoric acid solution, 6-8 parts of sulfuric acid solution, 5-6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 79-84 parts of water.

In some embodiments of the invention, the hydrofluoric acid solution contains 10 to 40 wt% of hydrofluoric acid molecules, 0 to 0.001 wt% of chloride, and 0 to 0.002 wt% of sulfate

In some embodiments of the present invention, the weight fraction of the sulfuric acid molecules contained in the sulfuric acid solution is 75-98.3 wt%

In some embodiments of the invention, the HCl molecule content in the hydrochloric acid solution is 10 to 38 wt%.

In some embodiments of the invention, the content of acetic acid molecules in the acetic acid solution is 36-38 wt%.

Another object of the present invention is to provide a method for using an etching solution for processing CD patterns on a camera lens, which comprises the following steps: the method comprises the following steps:

s1, adding 2-4 parts of hydrofluoric acid solution, 6-8 parts of sulfuric acid solution, 5-6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 79-84 parts of water into a batching tank, uniformly mixing to obtain a mixed solution, uniformly stirring, and diluting to obtain a CD pattern etching solution of the camera lens;

s2, etching the CD striations of the camera lens by the CD striation etching solution of the camera lens prepared in the step S2 at a speed of 2.5-6 mu m/min.

In some embodiments of the invention, the stirring temperature of the mixed solution in the step S1 is 50-60 ℃, and the stirring time is 10-20 min.

In some embodiments of the present invention, the concentration of the diluted etching solution for CD striations of the camera lens in the step S1 is 10 to 50 wt%.

Compared with the prior art, the invention has the beneficial effects that:

the hydrofluoric acid contained in the etching solution for treating the CD grains of the camera lens provided by the invention is used for etching the grains of a product to reach the depth of process design; the sulfuric acid contained in the etching solution is used for inhibiting bubble points of glass raw materials and repairing micro scratches generated in the previous process, so that the defects caused by amplification are avoided; the hydrochloric acid contained in the etching solution is glass powder generated during glass etching, and the glass powder in the grains can fall off in time without roughness; the acetic acid contained in the etching solution of the invention makes the appearance of the product brighter and makes the CD pattern metal reflect light more clearly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below so that those skilled in the art can better understand the advantages and features of the present invention, and thus the scope of the present invention will be more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art without inventive faculty based on the embodiments described herein are intended to fall within the scope of the present invention.

Example 1

The etching solution for processing the CD lines of the lens of the camera comprises the following raw materials in parts by weight: 2 parts of a hydrofluoric acid solution, 6 parts of a sulfuric acid solution, 5 parts of a hydrochloric acid solution, 3 parts of an acetic acid solution and 84 parts of water.

Wherein, the weight fraction of hydrofluoric acid molecules contained in the hydrofluoric acid solution is 10 wt%, the content of chloride contained in the hydrofluoric acid solution is 0.001 wt%, and the content of sulfate contained in the hydrofluoric acid solution is 0.002 wt%

Wherein the weight fraction of the sulfuric acid molecules contained in the sulfuric acid solution is 75 wt%

Wherein, the content of HCl molecules in the hydrochloric acid solution is 10 wt%.

Wherein the content of acetic acid molecules in the acetic acid solution is 36 wt%.

A use method of an etching solution for processing CD (compact disc) stripes of a camera lens comprises the following steps:

s1, adding 2 parts of hydrofluoric acid solution, 6 parts of sulfuric acid solution, 5 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 84 parts of water into a mixing tank, uniformly mixing to obtain a mixed solution, uniformly stirring, and diluting to obtain a CD (compact disc) pattern etching solution of the camera lens;

s2, etching the CD veins of the camera lens by the CD vein etching solution of the camera lens prepared in the step S2 at the speed of 2.5 μm/min.

Wherein the stirring temperature of the mixed solution in the step S1 is 50 ℃, and the stirring time is 20 min.

Wherein, the concentration of the diluted etching solution for the CD striations of the camera lens in the step S1 is 10 wt%.

Example 2

The etching solution for processing the CD lines of the lens of the camera comprises the following raw materials in parts by weight: 2.5 parts of hydrofluoric acid solution, 6 parts of sulfuric acid solution, 5 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 83.5 parts of water.

Wherein, the weight fraction of hydrofluoric acid molecules contained in the hydrofluoric acid solution is 20 wt%, the content of chloride contained in the hydrofluoric acid solution is 0.0005 wt%, and the content of sulfate contained in the hydrofluoric acid solution is 0.001 wt%

Wherein the weight fraction of the sulfuric acid molecules contained in the sulfuric acid solution is 80 wt%

Wherein, the content of HCl molecules in the hydrochloric acid solution is 15 wt%.

Wherein the content of acetic acid molecules in the acetic acid solution is 37 wt%.

A use method of an etching solution for processing CD (compact disc) stripes of a camera lens comprises the following steps:

s1, adding 2.5 parts of hydrofluoric acid solution, 6 parts of sulfuric acid solution, 5 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 83.5 parts of water into a batching tank, uniformly mixing to obtain a mixed solution, uniformly stirring, and diluting to obtain a CD (compact disc) pattern etching solution of the camera lens;

s2, etching the CD grains of the camera lens by the CD grain etching solution of the camera lens prepared in the step S2 at a rate of 3 mu m/min.

Wherein the stirring temperature of the mixed solution in the step S1 is 55 ℃, and the stirring time is 15 min.

Wherein, the concentration of the diluted etching solution for the CD striations of the camera lens in the step S1 is 20 wt%.

Example 3

The etching solution for processing the CD lines of the lens of the camera comprises the following raw materials in parts by weight: 3 parts of hydrofluoric acid solution, 8 parts of sulfuric acid solution, 6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 80 parts of water.

Wherein, the weight fraction of hydrofluoric acid molecules contained in the hydrofluoric acid solution is 30 wt%, the content of chloride contained in the hydrofluoric acid solution is 0.001 wt%, and the content of sulfate contained in the hydrofluoric acid solution is 0.002 wt%

Wherein the weight fraction of the sulfuric acid molecules contained in the sulfuric acid solution is 90 wt%

Wherein, the content of HCl molecules in the hydrochloric acid solution is 20 wt%.

Wherein the content of acetic acid molecules in the acetic acid solution is 38 wt%.

A use method of an etching solution for processing CD (compact disc) stripes of a camera lens comprises the following steps:

s1, adding 3 parts of hydrofluoric acid solution, 8 parts of sulfuric acid solution, 6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 80 parts of water into a mixing tank, uniformly mixing to obtain a mixed solution, uniformly stirring, and diluting to obtain a CD (compact disc) pattern etching solution of the camera lens;

s2, etching the CD grains of the camera lens by the CD grain etching solution of the camera lens prepared in the step S2 at a speed of 4.5 mu m/min.

Wherein the stirring temperature of the mixed solution in the step S1 is 60 ℃, and the stirring time is 10 min.

Wherein, the concentration of the diluted etching solution for the CD striations of the camera lens in the step S1 is 40 wt%.

Example 4

The etching solution for processing the CD lines of the lens of the camera comprises the following raw materials in parts by weight: 4 parts of hydrofluoric acid solution, 8 parts of sulfuric acid solution, 6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 79 parts of water.

Wherein, the weight fraction of hydrofluoric acid molecules contained in the hydrofluoric acid solution is 40 wt%, the content of chloride contained in the hydrofluoric acid solution is 0.001 wt%, and the content of sulfate contained in the hydrofluoric acid solution is 0.002 wt%

Wherein the weight fraction of the sulfuric acid molecules contained in the sulfuric acid solution is 98.3 wt%

Wherein, the content of HCl molecules in the hydrochloric acid solution is 38 wt%.

Wherein the content of acetic acid molecules in the acetic acid solution is 38 wt%.

A use method of an etching solution for processing CD (compact disc) stripes of a camera lens comprises the following steps:

s1, adding 4 parts of hydrofluoric acid solution, 8 parts of sulfuric acid solution, 6 parts of hydrochloric acid solution, 3 parts of acetic acid solution and 79 parts of water into a batching tank, uniformly mixing to obtain a mixed solution, uniformly stirring, and diluting to obtain a CD (compact disc) pattern etching solution of the camera lens;

s2, etching the CD grains of the camera lens by the CD grain etching solution of the camera lens prepared in the step S2 at the speed of 6 mu m/min.

Wherein the stirring temperature of the mixed solution in the step S1 is 60 ℃, and the stirring time is 10 min.

Wherein, the concentration of the diluted etching solution for the CD striations of the camera lens in the step S1 is 50 wt%.

Examples of the experiments

Selecting the CD lines of the camera lens prepared in the embodiment 1-5, and performing depth test and appearance test, wherein the test results are shown in the following table 1:

TABLE 1

As can be concluded from the data in table 1, the etching solution formulation of example 4 has the best effect, almost perfect texture and lines, simple preparation, low cost, and wide popularization.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.