CN110703363A - Lens coating processing technology, lens and computer storage medium - Google Patents
Lens coating processing technology, lens and computer storage medium Download PDFInfo
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- CN110703363A CN110703363A CN201911019315.XA CN201911019315A CN110703363A CN 110703363 A CN110703363 A CN 110703363A CN 201911019315 A CN201911019315 A CN 201911019315A CN 110703363 A CN110703363 A CN 110703363A
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- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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Abstract
The invention relates to the field of lens substrate coating, and discloses a lens coating processing technology, a lens and a computer storage medium, wherein the invention is in the range of 3.0‑5Pa or 3.0‑6Under the Pa vacuum condition, a hardened material corresponding to the refractive index of the substrate is attached to the substrate, then the lens is coated by adopting high-purity coating materials of titanium pentoxide and silicon dioxide, different coating processes are matched according to different coating materials, so that the coating materials are stably attached to the substrate, and the processing technology of the ultralow-reflection antireflection coating is provided.
Description
Technical Field
The invention relates to the technical field of lens processing, in particular to a lens coating processing technology, a lens and a computer storage medium.
Background
In the production of ophthalmic lenses, the coating of the lenses is a very important step. The vacuum condition of the coating of the existing lens coating process is 5.0-3pa or 5.5-4pa, the coating materials mainly comprise magnesium fluoride, zirconium oxide and silicon monoxide, the film layer is thick and unstable in adhesion, the achievable light transmittance is low and is about 92% -95%, the low light transmittance can cause the color of the lens to reflect light strongly, and the visual field of a consumer is dark; and the mirror rainbow phenomenon is easily caused, the transmittance of individual colors is low, and the proportion of light converted into harmful color light after passing through the film layer is large, so that the color cast problem is caused, and the eyes of a user are injured.
Disclosure of Invention
In order to solve the problems, the invention provides a lens coating processing technology, a lens and a computer storage medium, which can improve the adhesion stability of a coating material and improve the problem of light transmittance.
The purpose of the invention is realized by adopting the following coating technical scheme:
the invention provides a lens coating processing technology in a first aspect, which comprises the following steps:
the pressure of the coating vacuum chamber is set to be 3.0-5Pa or 3.0-6Pa；
Coating a lens substrate in the coating vacuum chamber, comprising: attaching a layer of hardened material corresponding to the refractive index of the lens substrate on the lens substrate, and sequentially plating a silicon dioxide layer, a titanium pentoxide layer, a silicon dioxide layer and a waterproof layer on the lens substrate attached with the hardened material to form a coated lens;
and after the coated lens is cooled for 3 minutes, taking down the coated lens, and cooling the coated lens at room temperature, wherein the room temperature is controlled to be 24 +/-2 ℃.
According to one possible mode of the first aspect of the invention, the temperature in the coating vacuum chamber is controlled between 20 ℃ and 22 ℃ and the humidity is controlled between 40% and 50%.
According to one possible implementation of the first aspect of the invention, the thickness of the plated silicon dioxide layer is 28-33nm, the thickness of the titanium pentoxide layer is 16-22nm, the thickness of the silicon dioxide layer is 26-30nm, the thickness of the titanium pentoxide layer is 110-130nm, the thickness of the silicon dioxide layer is 82-31nm, and the thickness of the waterproof layer is 13-28 nm.
According to a possible mode of the first aspect of the invention, the rate of plating the layer of titanium pentoxide is 0.3nm/s and the rate of plating the layer of silicon dioxide is 1.2 nm/s.
According to one implementation manner of the first aspect of the present invention, ion source assisted plating is adopted during the titanium pentoxide layer plating, the ion source voltage is controlled to 130V, the anode current is 1.30A, the cathode current is 18.000A, the neutral current is-2.000A, and the maximum allowable error is set to be less than or equal to 2.
The invention provides a lens in a second aspect, which comprises a lens substrate and a coating layer, wherein a hardening material is arranged between the lens substrate and the coating layer.
According to a mode capable of being realized by the second aspect of the present invention, the coating layer is composed of a silicon dioxide layer, a titanium sesquioxide layer, a silicon dioxide layer, and a waterproof layer.
According to one possible implementation manner of the second aspect of the invention, the thickness of the silicon dioxide layer is 28-33nm, the thickness of the titanium pentoxide layer is 16-22nm, the thickness of the silicon dioxide layer is 26-30nm, the thickness of the titanium pentoxide layer is 110-130nm, the thickness of the silicon dioxide layer is 82-31nm, and the thickness of the waterproof layer is 13-28 nm.
The invention also provides a lens, which is prepared by the lens coating processing technology.
A fourth aspect of the invention provides a computer storage medium having stored thereon a computer program comprising one or more code means for performing the steps of coating a lens substrate in a coating vacuum chamber of a lens coating process as described above, when the computer program is executed by a lens coating apparatus.
The invention has the beneficial effects that:
by using 3.0-5Pa or 3.0-6The Pa vacuum coating technology can effectively improve the coating adhesive force, improve the wear resistance and prolong the service time of the lens; the addition of the hardened material with the same refractive index as the substrate can avoid the rainbow phenomenon; the coating material is high-purity silicon dioxide, titanium pentoxide and a matched coating process, so that the light transmittance can be improved, and the occurrence of rainbow phenomenon can be reduced.
Drawings
The invention is further described with the aid of the accompanying drawings, which, however, do not constitute any limitation to the invention, and further, other drawings can be derived from the figures by those skilled in the art without any inventive step.
FIG. 1 is a flow chart of a preferred embodiment of a lens coating process of the present invention.
Detailed Description
The invention is further described with reference to the following examples.
The embodiment of the first aspect of the invention provides a lens coating processing technology, which comprises the following steps:
s1, establishing a vacuum state to enable the vacuum condition to reach 3.0-5pa or 3.0-6pa, controlling the temperature in the coating vacuum chamber to be between 20 and 22 ℃ and controlling the humidity to be between 40 and 50 percent. As the most preferable scheme, the pressure of the vacuum condition is set to be 3.0-5pa at 21 ℃ and 45% humidity.
S2, coating the film on the lens substrate in the film coating vacuum chamber, comprising the following steps: and adhering a layer of hardening material corresponding to the refractive index of the lens substrate on the lens substrate, and sequentially plating a silicon dioxide layer, a titanium pentoxide layer, a silicon dioxide layer and a waterproof layer on the lens substrate adhered with the hardening material to form the coated lens. The hardening material is correspondingly arranged according to the refractive index of the lens substrate. For example, a liquid chemical synthetic material hardening material with a specific formula is selected according to the refractive index of the substrate, and the substrates with different refractive indexes correspond to different hardening materials through matching of the substrate and the hardening material, so that the light transmittance is greatly improved, and the occurrence of color cast is reduced.
The traditional materials for coating mainly comprise magnesium fluoride, zirconium oxide, silicon monoxide and the like, which can cause adverse effects such as thicker film layer and low smoothness.
When the lens substrate is coated, the ion source 120s of the coating instrument needs to be cleaned in advance.
Wherein, the thickness of the plated silicon dioxide layer is 28-33nm, the thickness of the titanium pentoxide layer is 16-22nm, the thickness of the silicon dioxide layer is 26-30nm, the thickness of the titanium pentoxide layer is 110-130nm, the thickness of the silicon dioxide layer is 82-31nm, and the thickness of the waterproof layer is 13-28 nm.
In a preferred scheme, the thickness of the plated silicon dioxide layer is 30nm, the thickness of the titanium pentoxide layer is 20nm, the thickness of the silicon dioxide layer is 28nm, the thickness of the titanium pentoxide layer is 120nm, the thickness of the silicon dioxide layer is 80nm, and the thickness of the waterproof layer is 20 nm.
In one possible way, the rate of plating the titanium pentoxide layer is 0.3nm/s and the rate of plating the silicon dioxide layer is 1.2 nm/s.
In an implementation mode, ion source auxiliary plating is adopted during the titanium pentoxide layer plating, the ion source voltage is controlled to be 130V, the anode current is 1.30A, the cathode current is 18.000A, the neutral current is-2.000A, and the maximum allowable error is set to be less than or equal to 2.
S3, after the coated lens is cooled for 3 minutes, taking down the coated lens, and cooling the coated lens at room temperature, wherein the room temperature is controlled to be 24 +/-2 ℃. And when the temperature of the coated lens is cooled to room temperature, coating the lens.
In a second aspect, the present invention provides a lens, which includes a lens substrate and a coating layer, wherein a hardening material is disposed between the lens substrate and the coating layer.
In one implementation mode, the coating layer is composed of a silicon dioxide layer, a titanium oxide layer, a silicon dioxide layer and a waterproof layer.
In one implementation manner, the thickness of the silicon dioxide layer is 28-33nm, the thickness of the titanium pentoxide layer is 16-22nm, the thickness of the silicon dioxide layer is 26-30nm, the thickness of the titanium pentoxide layer is 110-130nm, the thickness of the silicon dioxide layer is 82-31nm, and the thickness of the waterproof layer is 13-28 nm.
According to the third aspect of the invention, the lens is prepared by the lens coating processing technology.
A fourth aspect of the invention provides a computer storage medium having stored thereon a computer program comprising one or more code means for performing the steps of coating a lens substrate in a coating vacuum chamber of a lens coating process as described above, when the computer program is executed by a lens coating apparatus.
The finished lens performance detection method comprises the following steps: the abrasion resistance rating of the steel wool is according to the SDC standard, the abrasion resistance rating is 5-no obvious scratch is optimal and the rating is 1-the scratch reaches the worst of the lens base material by using the #0000 steel wool and loading of 1kg for 10 times of cycle test; the light transmittance of the finished lens reaches 99.5 percent; the initial adhesive force of the film is tested by adopting a Baige method, and Nichiban adhesive tape is selected and pulled for 10 times; the water boiling adhesion test is to put the lens into 100 ℃ boiling water for 1 hour, and test the lens by the Baige method after naturally drying the lens.
According to the lens coating processing technology provided by the embodiment of the first aspect of the invention, the following tests are carried out.
Example 1
The lens coating processing technology comprises the following steps:
the pressure of the coating vacuum chamber is set to be 3.0-5Pa, ambient temperature 21 ℃ and humidity 45%.
Coating a lens substrate in the coating vacuum chamber, comprising: the method comprises the following steps of attaching a layer of hardening material corresponding to the refractive index of a lens substrate on the lens substrate, and sequentially plating a silicon dioxide layer with the thickness of 30nm, a trititanium pentoxide layer with the thickness of 20nm, a silicon dioxide layer with the thickness of 28nm, a trititanium pentoxide layer with the thickness of 120nm, a silicon dioxide layer with the thickness of 80nm and a waterproof layer with the thickness of 20nm on the lens substrate attached with the hardening material.
And after the coated lens is cooled for 3 minutes, taking down the coated lens, and cooling the coated lens at room temperature, wherein the room temperature is controlled to be 24 +/-2 ℃. And when the temperature of the coated lens is cooled to room temperature, coating the lens.
The performance detection result of the finished lens according to the process is as follows: the performance detection result of the finished lens according to the process is as follows: abrasion resistance rating of 5-no apparent scratch; the light transmittance of the finished lens reaches 99.5 percent; both the initial adhesion and the boiled adhesion were 100%.
Example 2
The lens coating processing technology comprises the following steps:
setting the pressure of the coating vacuum chamberIs 3.0-6Pa, ambient temperature 21 ℃ and humidity 45%.
Coating a lens substrate in the coating vacuum chamber, comprising: a layer of hardened material corresponding to the refractive index of the lens substrate is attached to the lens substrate, and the lens substrate attached with the hardened material is sequentially plated with 33nm of silicon dioxide layer thickness, 22nm of titanium pentoxide layer thickness, 30nm of silicon dioxide layer thickness, 130nm of titanium pentoxide layer thickness, 82nm of silicon dioxide layer thickness and 28nm of waterproof layer thickness.
And after the coated lens is cooled for 3 minutes, taking down the coated lens, and cooling the coated lens at room temperature, wherein the room temperature is controlled to be 24 +/-2 ℃. And when the temperature of the coated lens is cooled to room temperature, coating the lens.
The performance detection result of the finished lens according to the process is as follows: abrasion resistance rating of 5-no apparent scratch; the light transmittance of the finished lens reaches 99.6 percent; both the initial adhesion and the boiled adhesion were 100%.
Comparative example 1
Compared with the examples 1 and 2, the difference is that the pressure of the vacuum chamber for coating film is 5.0-3pa, the other steps are the same.
Comparative example 2
Compared with the examples 1 and 2, the difference is that the thickness and other coating process conditions are not controlled in the coating process, and other steps are the same.
Comparative example 3
Compared with the embodiment 1, the method is characterized in that magnesium fluoride, zirconium oxide and silicon monoxide are adopted as the coating material, and other steps are the same.
Comparative example 4
Compared with the embodiment 1, the difference is that the adopted hardening material has different refractive index from the lens substrate, and other steps are the same.
| Light transmittance | Adhesion force | Wear resistance | Rainbow phenomenon | |
| Example 1 | 99.6％ | 100％ | 5 | Is free of |
| Example 2 | 99.5％ | 100％ | 5 | Is free of |
| Comparative example 1 | 98％ | 60％ | 3 | Is less light |
| Comparative example 2 | 94％ | 99％ | 5 | Is more serious |
| Comparative example 3 | 94％ | 99％ | 5 | Is more serious |
| Comparative example 4 | 99％ | 100％ | 5 | Severe severity of disease |
The above data indicate that in the existing lens coating process, i.e. the vacuum condition is 5.0-3pa or 5.5-4pa, the effective coating materials are magnesium fluoride, zirconia and silicon monoxide, and the formed finished lens has low light transmittance, low film adhesion and poor wear resistance; the addition of the hardened material with the same refractive index as the substrate can avoid the rainbow phenomenon; the coating material is high-purity silicon dioxide, titanium pentoxide and a matched coating process, so that the light transmittance can be improved, and the occurrence of rainbow phenomenon can be reduced. In preferred embodiments 1 and 2 of the present invention, vacuum condition of 3.0 is adopted-5pa or 3.0-6pa, the coating material is high-purity silicon dioxide and titanium pentoxide which can control the thickness of the film layer, the thickness of the finished lens film layer meets the requirement, the light transmittance is high, the abrasion adhesion is high, the wear resistance is excellent, and the unexpected technical effect is achieved.
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.
Claims (10)
1. A lens coating processing technology is characterized by comprising the following steps:
the pressure of the coating vacuum chamber is set to be 3.0-5Pa or 3.0-6Pa；
Coating a lens substrate in the coating vacuum chamber, comprising: attaching a layer of hardened material corresponding to the refractive index of the lens substrate on the lens substrate, and sequentially plating a silicon dioxide layer, a titanium pentoxide layer, a silicon dioxide layer and a waterproof layer on the lens substrate attached with the hardened material to form a coated lens;
and after the coated lens is cooled for 3 minutes, taking down the coated lens, and cooling the coated lens at room temperature, wherein the room temperature is controlled to be 24 +/-2 ℃.
2. The process of claim 1, wherein the temperature in the vacuum chamber is controlled to be 20-22 ℃ and the humidity is controlled to be 40-50%.
3. The process of claim 1, wherein the thickness of the silicon dioxide layer is 28-33nm, the thickness of the titanium pentoxide layer is 16-22nm, the thickness of the silicon dioxide layer is 26-30nm, the thickness of the titanium pentoxide layer is 110-130nm, the thickness of the silicon dioxide layer is 82-31nm, and the thickness of the water-proof layer is 13-28 nm.
4. The process of claim 1, wherein the titanium pentoxide layer is applied at a rate of 0.3nm/s and the silicon dioxide layer is applied at a rate of 1.2 nm/s.
5. The process of claim 4, wherein the titanium pentoxide layer is coated by ion source assisted plating, the ion source voltage is controlled to 130V, the anode current is 1.30A, the cathode current is 18.000A, the neutral current is-2.000A, and the maximum allowable error is less than or equal to 2.
6. The lens is characterized by comprising a lens substrate and a coating layer, wherein a hardening material is arranged between the lens substrate and the coating layer.
7. The lens of claim 6 wherein the coating comprises a layer of silica, a layer of tri-titanium pentoxide, a layer of silica and a water barrier.
8. The lens according to claim 7, wherein the thickness of the silicon dioxide layer is 28-33nm, the thickness of the titanium pentoxide layer is 16-22nm, the thickness of the silicon dioxide layer is 26-30nm, the thickness of the titanium pentoxide layer is 110-130nm, the thickness of the silicon dioxide layer is 82-31nm, and the thickness of the water-proof layer is 13-28 nm.
9. A lens prepared by the lens coating process of any one of claims 1 to 5.
10. A computer storage medium having stored thereon a computer program comprising one or more code means for performing the steps of coating a lens substrate in a coating vacuum chamber of a lens coating process according to any one of claims 1 to 5 when the computer program is executed by a lens coating apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911019315.XA CN110703363A (en) | 2019-10-24 | 2019-10-24 | Lens coating processing technology, lens and computer storage medium |
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| CN201911019315.XA CN110703363A (en) | 2019-10-24 | 2019-10-24 | Lens coating processing technology, lens and computer storage medium |
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| CN110703363A true CN110703363A (en) | 2020-01-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929924A (en) * | 2020-09-22 | 2020-11-13 | 李振声 | Goggles suitable for all-weather wearing and preparation method thereof |
| WO2022252038A1 (en) * | 2021-05-31 | 2022-12-08 | 李振声 | All-weather high-definition lens suitable for golf and preparation method therefor |
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| CN203870337U (en) * | 2013-11-26 | 2014-10-08 | 厦门立扬光学科技有限公司 | Rainbow-free hardened spectacle lens |
| CN105861993A (en) * | 2016-05-17 | 2016-08-17 | 江苏淘镜有限公司 | Colored resin spectacle lens and preparation method thereof |
| CN107918214A (en) * | 2017-12-15 | 2018-04-17 | 奥特路（漳州）光学科技有限公司 | A kind of machining eyeglass method |
| CN107957600A (en) * | 2018-01-17 | 2018-04-24 | 江苏康耐特光学有限公司 | A kind of anti-reflection anti-infrared plated film resin lens and preparation method thereof |
| CN109338325A (en) * | 2018-11-19 | 2019-02-15 | 苏州沃盾纳米科技有限公司 | A kind of control method and system of filming equipment, filming equipment and storage medium |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203870337U (en) * | 2013-11-26 | 2014-10-08 | 厦门立扬光学科技有限公司 | Rainbow-free hardened spectacle lens |
| CN105861993A (en) * | 2016-05-17 | 2016-08-17 | 江苏淘镜有限公司 | Colored resin spectacle lens and preparation method thereof |
| CN107918214A (en) * | 2017-12-15 | 2018-04-17 | 奥特路（漳州）光学科技有限公司 | A kind of machining eyeglass method |
| CN107957600A (en) * | 2018-01-17 | 2018-04-24 | 江苏康耐特光学有限公司 | A kind of anti-reflection anti-infrared plated film resin lens and preparation method thereof |
| CN109338325A (en) * | 2018-11-19 | 2019-02-15 | 苏州沃盾纳米科技有限公司 | A kind of control method and system of filming equipment, filming equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111929924A (en) * | 2020-09-22 | 2020-11-13 | 李振声 | Goggles suitable for all-weather wearing and preparation method thereof |
| WO2022252038A1 (en) * | 2021-05-31 | 2022-12-08 | 李振声 | All-weather high-definition lens suitable for golf and preparation method therefor |
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