CN104090313A - Ultrahard waterproof membrane and processing technology of ultrahard waterproof membrane - Google Patents
Ultrahard waterproof membrane and processing technology of ultrahard waterproof membrane Download PDFInfo
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- CN104090313A CN104090313A CN201410357219.7A CN201410357219A CN104090313A CN 104090313 A CN104090313 A CN 104090313A CN 201410357219 A CN201410357219 A CN 201410357219A CN 104090313 A CN104090313 A CN 104090313A
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Abstract
The invention relates to an ultrahard waterproof membrane and a processing technology of the ultrahard waterproof membrane. The ultrahard waterproof membrane sequentially comprises an optical glass lens (1), an antireflection membrane layer (2), a combination layer (3), a waterproof hardening layer (4) and an air layer (5) from bottom to top. The ultrahard waterproof membrane is characterized in that the antireflection membrane layer (2) is sequentially composed of first-layer high-medium refractive index membrane materials, second-layer medium-high refractive index membrane materials, third-layer high-medium refractive index membrane materials and fourth-layer medium-high refractive index membrane materials. According to the ultrahard waterproof membrane and the processing technology, mixed design of the multiple kinds of the membrane materials is adopted in membrane system design, the waterproof membrane materials and the antireflection membrane layer are well combined, and plated curves have the ultralow reflectivity; meanwhile, an electronic beam evaporation waterproof drug device is adopted in the evaporation technology, the membrane layer is firm and even, the produced ultrahard waterproof membrane has the waterproof, dustproof and hardening effect, and the low reflectivity is achieved.
Description
Technical field
The present invention relates to eyeglass production technical field, relate in particular to superhard waterproof membrane and processing technology thereof.
Background technology
Optical movement camera lens is compared other common lens (digital camera lens, mobile phone camera, scanning mirror are first-class) and is required the test of eyeglass rete reliability harsher, due to this camera lens be arranged on telescope, above gun aiming device head, long term exposure in the wild, wind, Exposure to Sunlight and drench with rain and cause being exposed to camera lens outside eyeglass and be damaged.Stiffened waterproof membrane is a kind of wear-resisting and special rete self-cleaning function that has, can effectively improve the scuffing to camera lens surface in cleaning process of on-vehicle lens, optical movement camera lens, can also effectively reduce the adhesion of foreign matter to eyeglass, especially very useful to getting rid of raindrop in the rainy day.Along with the development of automobile industry, the function such as that on-vehicle lens outermost layer eyeglass has is wear-resisting, waterproof, automatically cleaning and chemical-resistance has become inexorable trend.
The whole bag of tricks is used in the application of waterproof membrane: immersion, ionic polymerization and high vacuum evaporation deposition.But immersion and ionic polymerization method need the more operation step that uses separation vessel to gather, complex procedures, quality is unstable; And high vacuum coating method can directly be followed from AR(anti-reflection) production of plated film and use identical equipment, product with stable quality, cost is low, can be practical.Therefore, grasp waterproof coating technique on-vehicle lens, optical movement manufacturing enterprise are seemed to very urgent.
Summary of the invention
For above problem, the object of the invention is to provide a kind of superhard waterproof membrane and processing technology thereof, on optical lens surface, to be coated with antireflecting film and superhard waterproof membrane, adopt Vacuum Deposition method for making, by coating process optimal design, solve the contradiction between antireflecting film and waterproof plated film, complete being coated with of two kinds of film systems at same coating machine.
Technical scheme of the present invention is achieved in the following ways: a kind of superhard waterproof membrane, from bottom to top for optical glass lens, antireflection film layer, binding layer, waterproof add hard formation and air layer, it is characterized in that successively: described antireflection film layer is successively by high index film material design in refractive index coating materials in high index film material, the 3rd floor height in ground floor senior middle school refractive index coating materials, the second layer, the 4th layer and form.
Described ground floor senior middle school refractive index coating materials is 1.63, thickness is the Al of 23.96 nm
2o
3coating materials; In the second layer, high index film material is that refractive index 2.02, thickness are the H4 coating materials of 22.77 nm; In the 3rd floor height, refractive index coating materials is 1.63, thickness is the Al of 35.87 nm
2o
3coating materials; In the 4th layer, high index film material is that refractive index 2.02, thickness are the H4 coating materials of 136.02 nm; Described optical glass lens is that refractive index is 1.52 K9 optical glass.
Described binding layer is that refractive index is 1.46, thickness is the SiO of 86.08 nm
2coating materials.
It is that refractive index is 1.5, thickness is the WR1 waterproof membrane of 5 nm that described waterproof adds hard formation.
A processing technology for above-mentioned superhard waterproof membrane, comprises the following steps:
1), film system design: adopt antireflection film layer+binding layer+water barrier, light splitting specification requirement: 400-630nm, reflectivity 1.3% below, 412-590nm reflectivity maximum below 0.6%, R
(day)≤ 0.5%, R
(vis)≤ 0.6%:
Rete project organization, material and thickness are as follows:
2), clear Xian of ultrasound wave: first K9 optical glass is carried out to Ultrasonic Cleaning, its object makes lens surface clean, cleans journey stream for three-flute lotion, three-flute pure water, three-flute IPA, adopts IPA dewatered drying;
3), design evaporation waterproof membrane materials device: be the container that a band closes up, closing in place is provided with baffle plate, is provided with waterproof coating materials, closing baffle plate on the bottom of its container, the flat position focus of available electron rifle alignment device upper end is launched, and the medicine in device is fully evaporated;
4), dose coating materials: according to step 1) rete project organization, material and thickness, convert coating machine to and carry in control program and go, ground floor is dosed Al
2o
3coating materials, the second layer is dosed H4 coating materials, the 3rd layer and is dosed Al
2o
3coating materials, the 4th layer are dosed H4 coating materials, layer 5 is dosed SiO
2coating materials, layer 6 are dosed waterproof membrane and are expected that in the crucible of corresponding order, coating materials will fill up crucible, and waterproof coating materials will join in the evaporation waterproof membrane materials device of step 3);
5), coating machine is vacuumized, vacuum tightness is heated to 300 DEG C to 1.5E-3Pa, temperature, constant temperature time 30 minutes;
6), evaporation:
(1) coating machine is controlled plated film automatically: first coated with antireflection film on optical glass lens: open baffle plate, the coating materials through evaporation is in layer switched to plated film from exit according to the requirement of film system design;
(2) open the baffle plate in evaporation waterproof membrane materials device, electron gun electron emission temperature is controlled at 350-400 DEG C, power 20MA, the width in source is Xscan:Yscan=0:0, open baffle plate, the focus of aiming at the flat part of vaporization prevention waterproof membrane materials device upper end is evaporated, and then keeps constant temperature, and medicine is fully evaporated;
7), be incubated cooling: when plated film program completes, plated film machine cuts out Baking out automatically, begins to cool down temperature, until machine temperature lower than 200 DEG C just start inflation, take out optical glass lens, in order to avoid explosion;
8), spectrophotometric test: whether the representative optical glass lens in three of selection upper, middle and lower is measured, and with reflectivity spectrophotometer measurement lens surface reflectivity, measures according to specification requirement judgement the qualification rate that reflectivity data is qualified, qualified;
9), visual examination: under 60W electricity-saving lamp black background, whether have spot, cut, the bad problem of pit by visual examination lens surface;
10), warehouse-in.
The present invention, the design of film system adopts multiple coating materials Mixed Design, waterproof coating materials and the fine combination of antireflection film layer, makes to plate out curve and has ultralow reflectivity; In evaporation process, adopt electron beam evaporation plating waterproof medicine device simultaneously, make rete just firmer even, the superhard waterproof membrane of producing, has waterproof and dustproof and stiffened effect, has again antiradar reflectivity.
Brief description of the drawings
Fig. 1 is the structural representation of superhard waterproof membrane.
Fig. 2 is the structural representation of evaporation waterproof membrane materials device.
Embodiment
Known by Fig. 1, a kind of superhard waterproof membrane, be followed successively by successively optical glass lens 1, antireflection layer (AR layer) 2, binding layer 3, waterproof from bottom to top and add hard formation 4 and air layer 5, described AR layer 2 is that in the H4 coating materials, the second layer of 136.02 (nm), high index of refraction 1.63, thickness are the Al of 35.87 (nm) by ground floor senior middle school refractive index 2.02, thickness successively
2o
3in coating materials, the 3rd floor height, refractive index 2.02, thickness are that high index of refraction 1.63 in the H4 coating materials, the 4th layer of 22.77 (nm), thickness are the Al of 23.96 (nm)
2o
3composition, optical glass lens 1 is that refractive index is 1.52 K9 optical glass, binding layer 3 is that low-refraction is 1.46, thickness is the MgF of 86.08 (nm)
2or SiO
2coating materials, it is that refractive index is 1.5, thickness is the WR1 waterproof membrane of 5 (nm) that waterproof adds hard formation 4.
The processing technology of above-mentioned superhard waterproof membrane, comprises the following steps:
1, film system design: the design of film system is that waterproof membrane technique is carried out prerequisite and basic, and this film is design phiolosophy: adopt antireflecting film+binding layer+water barrier: light splitting specification requirement: 400-630nm reflectivity 1.3% below, 412-590nm reflectivity maximum below 0.6%, R
(day)≤ 0.5%, R
(vis)≤ 0.6%, utilizing film is design software TFCalc35, and rete project organization, material and thickness are as follows:
On coating materials is selected, consider that ultraviolet spectrum absorbs and whether easily evaporate? otherwise luminous energy is absorbed by coating materials, conventionally select the easily coating materials of evaporation, low absorption, wherein low-refraction coating materials is MgF2, SiO
2middle refractive index coating materials is AL2O3, high index film material is H4, particularly waterproof coating materials is selected very important, at present can production waterproof coating materials company only have German Merk company (WR1, WR2 and WR3) and DON company of Korea S (HT-100, SH-HT), this coating materials is at 500nm place, its refractive index 1.5 left and right, because waterproof coating materials is difficult to catch material behavior and TOOLING atom, must estimate car following-theory design consistent.
2, clear Xian of ultrasound wave: first K9 optical glass is carried out to Ultrasonic Cleaning, cleaning journey stream is three-flute lotion, three-flute pure water, three-flute IPA, adopts IPA dewatered drying; Ultrasonic Cleaning machine can clean various optical lens surfaces, has fine stability and repeatability to producing eyeglass in enormous quantities, and K9 optical glass chemical property is relatively good;
3, design evaporation waterproof membrane materials device: be the container that a band closes up, closing in place is provided with baffle plate, is provided with waterproof coating materials, closing baffle plate on the bottom of its container, the flat position focus of available electron rifle alignment device upper end is launched, and the medicine in device is fully evaporated;
4, dose coating materials: according to step 1) rete project organization, material and thickness, convert coating machine to and carry in control program and go, ground floor is dosed Al
2o
3coating materials, the second layer is dosed H4 coating materials, the 3rd layer and is dosed Al
2o
3coating materials, the 4th layer are dosed H4 coating materials, layer 5 is dosed SiO
2coating materials, layer 6 are dosed waterproof membrane and are expected that in the crucible of corresponding order, coating materials will fill up crucible, and waterproof coating materials will join in the evaporation waterproof membrane materials device of step 3);
5, coating machine is vacuumized, vacuum tightness is heated to 300 DEG C to 1.5E-3Pa, temperature, constant temperature time 30 minutes;
6, evaporation:
(1) open the baffle plate in evaporation waterproof membrane materials device, electron gun electron emission temperature is controlled at 350-400 DEG C, power 20MA, the width in source is Xscan:Yscan=0:0, closing baffle plate, the focus of aiming at the flat part of vaporization prevention waterproof membrane materials device upper end is evaporated, and then keeps constant temperature, and medicine is fully evaporated;
(2) coating machine is controlled plated film automatically: first coated with antireflection film on optical glass lens: open baffle plate, the coating materials through evaporation is in layer switched to plated film from exit according to the requirement of film system design;
7, be incubated cooling: when plated film program completes, plated film machine chilling temperature, until machine temperature lower than 200 DEG C just start inflation, take out optical glass lens, in order to avoid explosion;
8, spectrophotometric test: select the representative optical glass lens in three of upper, middle and lower to measure, measure according to specification requirement judgement the qualification rate that reflectivity data is qualified;
9, visual examination: under 60W electricity-saving lamp black background, whether have spot, cut, pit by visual examination lens surface;
10), warehouse-in.
The present invention, be 110 DEG C of left and right through waterproof membrane plated film lens contact angle, measuring process comprises: with a micro syringe by 3.5ul solvent droplets to lens surface, utilize 45 ° of reflective mirrors that the globule image measurer on test pieces surface is carried out to sectional drawing computation and measurement to secondary element image measuring instrument, the globule on lens surface contact angle 110 DEG C of left and right.And through waterproof membrane process glass very easily bedewed by water, with the contact angle of water 30 DEG C of left and right or lower.
Claims (5)
1. a superhard waterproof membrane, from bottom to top for optical glass lens (1), antireflection film layer (2), binding layer (3), waterproof add hard formation (4) and air layer (5), it is characterized in that successively: described antireflection film layer (2) is made up of high index film material in refractive index coating materials in high index film material, the 3rd floor height in ground floor senior middle school refractive index coating materials, the second layer, the 4th layer successively.
2. the superhard waterproof membrane of one according to claim 1, is characterized in that: described ground floor senior middle school refractive index coating materials is 1.63, thickness is the Al of 23.96 nm
2o
3coating materials; In the second layer, high index film material is that refractive index 2.02, thickness are the H4 coating materials of 22.77 nm; In the 3rd floor height, refractive index coating materials is 1.63, thickness is the Al of 35.87 nm
2o
3coating materials; In the 4th layer, high index film material is that refractive index 2.02, thickness are the H4 coating materials of 136.02 nm; Described optical glass lens (1) is that refractive index is 1.52 K9 optical glass.
3. the superhard waterproof membrane of one according to claim 1, is characterized in that: described binding layer (3) is that refractive index is 1.46, thickness is the MgF of 86.08 nm
2or SiO
2coating materials.
4. the superhard waterproof membrane of one according to claim 1, is characterized in that: it is that refractive index is 1.5, thickness is the WR1 waterproof membrane of 5 nm that described waterproof adds hard formation (4).
5. a processing technology for superhard waterproof membrane as claimed in claim 1, is characterized in that: comprise the following steps:
1), film system design: adopt antireflection film layer+binding layer+water barrier, light splitting specification requirement: 400-630nm, reflectivity 1.3% below, 412-590nm reflectivity maximum below 0.6%, R
(day)≤ 0.5%, R
(vis)≤ 0.6%:
Rete project organization, material and thickness are as follows:
2), clear Xian of ultrasound wave: first K9 optical glass is carried out to Ultrasonic Cleaning, its object makes lens surface clean, cleans journey stream for three-flute lotion, three-flute pure water, three-flute IPA, adopts IPA dewatered drying;
3), design evaporation waterproof membrane materials device: be the container that a band closes up, closing in place is provided with baffle plate, is provided with waterproof coating materials, closing baffle plate on the bottom of its container, the flat position focus of available electron rifle alignment device upper end is launched, and the medicine in device is fully evaporated;
4), dose coating materials: according to step 1) rete project organization, material and thickness, convert coating machine to and carry in control program and go, ground floor is dosed Al
2o
3coating materials, the second layer is dosed H4 coating materials, the 3rd layer and is dosed Al
2o
3coating materials, the 4th layer are dosed H4 coating materials, layer 5 is dosed SiO
2coating materials, layer 6 are dosed waterproof membrane and are expected that in the crucible of corresponding order, coating materials will fill up crucible, and waterproof coating materials will join in the evaporation waterproof membrane materials device of step 3);
5), coating machine is vacuumized, vacuum tightness is heated to 300 DEG C to 1.5E-3Pa, temperature, constant temperature time 30 minutes;
6), evaporation:
(1) coating machine is controlled plated film automatically: first coated with antireflection film on optical glass lens: open baffle plate, the coating materials through evaporation is in layer switched to plated film from exit according to the requirement of film system design;
(2) open the baffle plate in evaporation waterproof membrane materials device, electron gun electron emission temperature is controlled at 350-400 DEG C, power 20MA, the width in source is Xscan:Yscan=0:0, open baffle plate, the focus of aiming at the flat part of vaporization prevention waterproof membrane materials device upper end is evaporated, and then keeps constant temperature, and medicine is fully evaporated;
7), be incubated cooling: when plated film program completes, plated film machine cuts out Baking out automatically, begins to cool down temperature, until machine temperature lower than 200 DEG C just start inflation, take out optical glass lens, in order to avoid explosion;
8), spectrophotometric test: whether the representative optical glass lens in three of selection upper, middle and lower is measured, and with reflectivity spectrophotometer measurement lens surface reflectivity, measures according to specification requirement judgement the qualification rate that reflectivity data is qualified, qualified;
9), visual examination: under 60W electricity-saving lamp black background, whether have spot, cut, the bad problem of pit by visual examination lens surface;
10), warehouse-in.
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| CN104090313B CN104090313B (en) | 2015-11-18 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101917A (en) * | 2014-08-04 | 2014-10-15 | 赵瑞兴 | Waterproof membrane lens |
| CN104494238A (en) * | 2014-12-30 | 2015-04-08 | 陈奇康 | Novel environment-friendly glass mirror |
| CN104649585A (en) * | 2014-12-30 | 2015-05-27 | 陈奇康 | Novel environment-friendly glass mirror and manufacturing process thereof |
| CN104880742A (en) * | 2015-05-04 | 2015-09-02 | 中青辰光（北京）科技有限公司 | Superhard waterproof plated film lenses of spectacles |
| CN110879430A (en) * | 2019-11-04 | 2020-03-13 | 广东先导先进材料股份有限公司 | Infrared chalcogenide glass lens and preparation method thereof |
| CN113064225A (en) * | 2021-03-24 | 2021-07-02 | 浙江舜宇光学有限公司 | Anti-reflection film system containing magnesium fluoride film layer and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654984A (en) * | 2004-02-09 | 2005-08-17 | 柯尼卡美能达精密光学株式会社 | Optical element and optical pickup device |
| US20070040966A1 (en) * | 2005-08-16 | 2007-02-22 | Konica Minolta Opto, Inc. | Optical reflective member |
| WO2007037525A1 (en) * | 2005-09-28 | 2007-04-05 | Fujifilm Corporation | Antireflection film, polarizing plate and image display |
| CN1991441A (en) * | 2005-12-30 | 2007-07-04 | 上海三联(集团)有限公司茂昌眼镜公司 | Ultrahard antifouling resin eyeglass and method for making same |
| CN1991410A (en) * | 2005-12-26 | 2007-07-04 | 爱普生拓优科梦株式会社 | Broadband antireflection layer |
| CN101501768A (en) * | 2006-08-11 | 2009-08-05 | 柯尼卡美能达精密光学株式会社 | Optical component |
-
2014
- 2014-07-25 CN CN201410357219.7A patent/CN104090313B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654984A (en) * | 2004-02-09 | 2005-08-17 | 柯尼卡美能达精密光学株式会社 | Optical element and optical pickup device |
| US20070040966A1 (en) * | 2005-08-16 | 2007-02-22 | Konica Minolta Opto, Inc. | Optical reflective member |
| WO2007037525A1 (en) * | 2005-09-28 | 2007-04-05 | Fujifilm Corporation | Antireflection film, polarizing plate and image display |
| CN1991410A (en) * | 2005-12-26 | 2007-07-04 | 爱普生拓优科梦株式会社 | Broadband antireflection layer |
| CN1991441A (en) * | 2005-12-30 | 2007-07-04 | 上海三联(集团)有限公司茂昌眼镜公司 | Ultrahard antifouling resin eyeglass and method for making same |
| CN101501768A (en) * | 2006-08-11 | 2009-08-05 | 柯尼卡美能达精密光学株式会社 | Optical component |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101917A (en) * | 2014-08-04 | 2014-10-15 | 赵瑞兴 | Waterproof membrane lens |
| CN104494238A (en) * | 2014-12-30 | 2015-04-08 | 陈奇康 | Novel environment-friendly glass mirror |
| CN104649585A (en) * | 2014-12-30 | 2015-05-27 | 陈奇康 | Novel environment-friendly glass mirror and manufacturing process thereof |
| CN104494238B (en) * | 2014-12-30 | 2017-04-05 | 陈奇康 | A kind of environmentally friendly glass mirror |
| CN104880742A (en) * | 2015-05-04 | 2015-09-02 | 中青辰光（北京）科技有限公司 | Superhard waterproof plated film lenses of spectacles |
| CN110879430A (en) * | 2019-11-04 | 2020-03-13 | 广东先导先进材料股份有限公司 | Infrared chalcogenide glass lens and preparation method thereof |
| CN113064225A (en) * | 2021-03-24 | 2021-07-02 | 浙江舜宇光学有限公司 | Anti-reflection film system containing magnesium fluoride film layer and preparation method thereof |
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| CN104090313B (en) | 2015-11-18 |
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Address after: 213325 No. 183, Yongsheng Road, douzhuang, chanxian Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: Danyang danyao Optical Co.,Ltd. Address before: 212325 visit Xian town douzhuang Hedong, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: DANYANG DANYAO OPTICS Co.,Ltd. |