CN100478740C - Ophthalmic lens which is coated with an electrostatic film and method of edging one such lens - Google Patents
Ophthalmic lens which is coated with an electrostatic film and method of edging one such lens Download PDFInfo
- Publication number
- CN100478740C CN100478740C CNB2004800308801A CN200480030880A CN100478740C CN 100478740 C CN100478740 C CN 100478740C CN B2004800308801 A CNB2004800308801 A CN B2004800308801A CN 200480030880 A CN200480030880 A CN 200480030880A CN 100478740 C CN100478740 C CN 100478740C
- Authority
- CN
- China
- Prior art keywords
- eyeglass
- coating
- skin
- outer protection
- provisional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
-
- G02B1/105—
-
- G—PHYSICS
- 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
- G02B1/14—Protective coatings, e.g. hard coatings
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Eyeglasses (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
The invention relates to an optical lens having a temporary protective coating comprising at least one outer layer which can be degraded mechanically by means of friction or contact and which is covered with a strippable film that binds electrostatically to the outer layer. The invention is suitable for ophthalmic lenses.
Description
Technical field
The present invention relates in general to a kind of optical mirror slip, relates more specifically to a kind of ophthalmic lens, and this eyeglass has the first type surface that comprises provisional protective coating and also cover strippable electrostatic film on this coating.
Background technology
The ophthalmic lens of optical mirror slip-more specifically-make by the molded and/or surface working/smoothing step of protruding optical surface of a series of definite eyeglasses and recessed optical surface geometric configuration, and carry out suitable surface treatment subsequently.
The last completion step of ophthalmic lens is deburring operation, and this deburring operation comprises the edge that processes eyeglass or periphery so that determine the shape of eyeglass according to needed size, thereby makes this eyeglass be fit to wait to be installed in wherein picture frame.
Usually, carry out deburring on the grinding machine of skive comprising, this skive is carried out above-mentioned procedure of processing.
In this operation, by the anti-release member maintenance eyeglass of axial action.
Usually monitoring eyeglass in digitizing ground is with respect to the relative motion of emery wheel, so that desirable shape to be provided.
Keep eyeglass very necessary when obviously, carrying out this motion securely.
For this reason, before carrying out the deburring operation, carry out the locking step of eyeglass, be about to holding device or chuck and be positioned on the convex surface of eyeglass.
Maintenance liner as the autohension sheet shaped piece is set, for example double sticky tape between the convex surface of chuck and eyeglass.
On the lens orientation of She Zhiing in above-mentioned axial anti-release member, the second axial anti-release member is clamped eyeglass by the abutting element of being made by elastic body usually at the concave surface of eyeglass then like this.
In above-mentioned procedure of processing, on eyeglass, produce tangential distorting stress, if the eyeglass holding device is insufficient effectively, described stress will cause eyeglass to rotate with respect to chuck.
The good maintenance of eyeglass depends primarily on the good adhesion between the convex surface surface of contact that keeps liner and eyeglass.
The ophthalmic lens of Xing Chenging generally includes the organic or inorganic skin that is used to change surface energy at last, for example the hydrophobic coating of anti-soil dirt and/or oleophobic coating.
These are to reduce the most frequently used silicon fluoride class material of surface energy to avoid the grease stain to adhere to, thereby are easy to remove described grease stain.
The result that this overlay coating type is produced is the adhesion that possible change liner and convex surface surface of contact thus, make and be difficult to obtain gratifying deburring operation, particularly for polycarbonate lens, compare with other material (eyeglass of making), polycarbonate lens deburring meeting is produced bigger acting force.
The waste fully that bad consequence is an eyeglass is carried out in the deburring operation.
Here it is advantageously deposits temporary protective layer so that surface energy equals 15mJ/m at least at skin
2Reason, this provisional protective coating is specially fluoride layer, oxide skin(coating), layers of metal hydroxides, is preferably for example disclosed MgF of french patent application No.0106534
2Protective seam also can be a marking ink (marking ink) or as the resin of the bonding agent of this marking ink.
The ophthalmic lens of optical mirror slip-more specifically-each all stores and transportation in inside is provided with the paper bag of protective coating; these eyeglasses comprise bottom coating, wear-resistant coating and the antireflection coating of one or more layers conventional functional coating as the adhesive capacity that improves other functional coating alternatively; and comprise hydrophobic and/or oleophobic surface coating; anti-soil dirt overlay coating more specifically is coated with the provisional protective coating that is used in particular for improving the deburring operation to small part on this coating.
Have been found that in storing or carry these processes that wrap in the eyeglass in the bag separately because friction or even only because pressure, provisional protective coating-particularly comprises at coating and is positioned at outside metal fluoride layer and MgF more specifically
2Under the situation of protective seam-and will be changed, this will reduce in the deburring operating process and the adhesion that keeps liner.Particularly at MgF
2Under the outer field situation,, can visually observe this change by the macroscopic mark that occurs on the provisional protection skin.
U.S. Patent No. 5,792,537 disclose by the mark wiped that uses adhesive tape to cover to be imprinted on the optical lens surface and during the grinding action of this eyeglass the described mark of protection.This adhesive tape can be an electrostatic film, for example high plasticizing vinyl film.
Summary of the invention
Therefore; the purpose of this invention is to provide a kind of optical mirror slip; a kind of more specifically ophthalmic lens, this eyeglass comprise the outer protection coating that can mechanically change by friction and/or contact, but particularly store and/or during the carrying eyeglass this coating can avoid this change.
According to the present invention; described optical mirror slip comprises provisional outer protection coating; this provisional outer protection coating is local at least to be covered eyeglass and comprises at least one skin; this at least one skin except be with outer metal oxide layer and/or layers of metal hydroxides that the lower floor that comprises magnesium fluoride directly contacts; be by friction and/or to contact the skin that mechanically changes; wherein, the skin of provisional outer protection coating is coated with by static and adheres to peel-able film on the skin.
According to a preferred embodiment of the invention, described skin is made by the material that is selected from following material: metal fluoride and composition thereof, metal oxide and composition thereof, metal hydroxides and composition thereof, the potpourri of two or more metal fluorides, metal oxide and metal hydroxides, be used for the marking ink of optical mirror slip, and the resin that is selected from the resin of the bonding agent that can form this marking ink.
More preferably, the skin of provisional outer protection coating comprises metal fluoride, metal oxide or metal hydroxides.
Here, whether term " eyeglass " comprises one or more layers coating of different nature according to it or covering coating refers to handle or untreated organic or inorganic glass mirror.
When eyeglass comprised one or more overlay coating, statement " depositing one deck on the eyeglass " referred to deposit one deck on the skin at eyeglass.
According to the Owens-Wendt method gauging surface energy that in below with reference to document, illustrates: " Estimation of the surface force energy of polymers ", Owens D.K., WendtR.G. (1969) J.APPL.POLYM.SCI, 13,1741-1747.
Optical mirror slip according to the present invention generally includes hydrophobic surface coating and/or oleophobic surface coating, and preferably includes hydrophobic surface coating and/or the oleophobic surface coating that is deposited on the single or multiple lift antireflection coating.
In fact, hydrophobic coating and/or oleophobic coating are applied on the eyeglass that comprises particularly the antireflection coating of being made by inorganic material usually, are infected with for example sedimental strong trend of greasy dirt so that reduce eyeglass.
As mentioned above, obtain hydrophobic coating and/or oleophobic coating by on the surface of antireflection coating, applying compound usually, to reduce the surface energy of eyeglass.
These compounds are disclosed in for example following patent of prior art in a large number: US-4410563, EP-0203730, EP-749021, EP-844265, EP-933377.
The most normal employing has the silane-based compound of fluorinated groups, more particularly perfluorocarbon group or perfluoropolyether group.
Example comprises and comprises for example compound of silazane, polysilazane or the silicon of above-mentioned one or more fluorinated groups.
A kind of known method is included on the antireflection coating compound with fluorinated groups and Si-R group and deposits, and wherein R represents-OH group or its parent, is preferably alkoxy.On the antireflection coating surface, these compounds can directly or carry out polymerization and/or cross-linking reaction after hydrolysis.
Routinely, quench, apply described compound by solution by centrifuge method or by vapour deposition etc. at the compound of the surface energy that is used for reducing glass.Usually, the thickness of hydrophobic coating and/or oleophobic coating is less than 10nm, preferably less than 5nm.
Preferably, adopt and to comprise and make surface energy be lower than 14mJ/m
2More preferably be equal to or less than 12mJ/m
2Hydrophobic surface coating and/or the eyeglass of oleophobic surface coating implement the present invention.
Provisional protective coating can increase to the surface energy of eyeglass usually and be at least 15mJ/m
2Value.
Can the whole zone of at least one side of eyeglass both sides or only described eyeglass treat with the zone that keeps liner to contact on apply described provisional protective coating.
More properly, the maintenance liner that usually works at the protruding side setting and the described acorn spare (acorn) of eyeglass.Therefore, can cover whole protruding side, perhaps utilize mask or any other suitable technique only to cover the middle section of protruding side alternatively with protectiveness coating.
Sediment can cover corresponding zone equably, and promptly sediment has continuous structure, but also can have discontinuous structure, for example has the shape of framework.
In this case, form irregular sediment, its surface still is enough to for keeping liner that required adhesion is provided.
Can obtain to have the sediment of discontinuous construction by silk-screen (tampography).
Yet the zone that (according to of the present invention) provisional outer protection coating is covered should make protectiveness coating and keep the surface of contact between the liner to be enough to eyeglass is adhered to liner.
Usually, provisional protective coating cover the protruding side that liner will adhere to thereon-promptly be generally eyeglass-lens surface at least 15%, preferably at least 20%, more preferably at least 30%, more preferably at least 40%, the whole surface that most preferably is.
The result who deposits provisional outer protection coating is that obtained can be by the eyeglass of deburring.
This means that after the method according to this invention is finished deburring operation, eyeglass will have and allow suitably to insert the required size of waiting to be attached to wherein of picture frame.
More properly, when maximum 2 ° of deburring operating period eyeglass deflection, can obtain this result.
Best deburring ability is equal to or less than 1 ° eyeglass corresponding to deflection.
Provisional protective coating can be made by any material that is suitable for increasing the surface energy of the eyeglass with hydrophobic and/or fuel shedding quality and can be removed during the subsequent operation of deburring step.
Certainly, these materials should avoid reducing significantly the character of surface of hydrophobic coating and/or oleophobic coating, thus after removing these materials before the optics of eyeglass and character of surface and the provisional protective coating of deposition these characteristics of eyeglass basic identical.
Preferably; described provisional outer protection coating comprises inorganic outer layer; more specifically comprise the skin of making by following material: the potpourri of fluoride or metal fluoride; the potpourri of the potpourri of oxide or metal oxide or metal hydroxides or metal hydroxides, and the potpourri of these fluorides, oxide and oxyhydroxide.
The example of fluoride comprises magnesium fluoride MgF
2, lanthanum fluoride LaF
3, aluminum fluoride AlF
3Perhaps cerium fluoride CeF
3
Available oxide is magnesium oxide (MgO), calcium oxide (CaO), titanium dioxide (TiO
2), aluminium oxide (Al
2O
3), zirconia (ZrO
2) or praseodymium oxide (Pr
2O
3).
The potpourri of aluminium oxide and praseodymium oxide is suitable.
Specially suitable material is the PASO2 of Leybold company.
The example of metal hydroxides comprises Mg (OH)
2, Ca (OH)
2And Al (OH)
3, Mg (OH) preferably
2
Particularly preferred material is MgF
2
Can adopt any suitable conventional method deposition protectiveness coating.
Usually deposit antireflection coating, hydrophobic coating and/or oleophobic coating by evaporation in vacuum chamber; so wish to adopt identical method to deposit provisional protective coating; thereby can carry out all operations continuously, and between each step, can not carry eyeglass too much.
When protectiveness coating was made by inorganic material, the thickness of protectiveness coating preferably was less than or equal to 50nm, usually in the scope of 1-50nm, more preferably in the scope of 5-50nm.
Usually, if the thickness of protectiveness coating is too little, just exist surface energy to change not enough risk.
On the contrary, if the thickness of protectiveness coating is too big, more specifically mainly for inorganic coating, the inventor finds that the risk that produces mechanical stress is arranged in coating, and this is harmful to desirable characteristic.
Preferably and more specifically, when protectiveness coating was deposited on the whole side of lens surface, material should have certain transparency, so that allow to utilize front-focometer that eyeglass is carried out conventional diopter measurement.
Thus, preferably have at least 18% transmissivity, preferably have at least 40% transmissivity according to the ISO8980/3 standard according to eyeglass of the present invention.
As the equivalent material of above-mentioned inorganic material, can adopt the printing ink that can be used for mark progressive additional (progressive) lens and/or be selected from such resin, promptly this resin can form the bonding agent of the printing ink that can be used in mark progressive multi-focal lenses sheet.
In this case, can be than at the bigger thickness of the situation deposit of pure inorganic coating.
Thus, desired thickness can be in the scope of 5-150 μ m.
Alkyd based resin is particularly suitable for.
As previously mentioned, provisional outer protection coating can be single or multiple lift, and is particularly two-layer.
Described coating can be inorganic coating or the organic again coating of existing inorganic coating entirely.Under this (the organic again coating of existing inorganic coating) situation, the inorganic coating (5 to 200nm) that preferably organic coating is deposited on less thickness is gone up and can be had the bigger thickness of from 0.2 to 10 μ m usually.
As mentioned above, provisional outer protection coating can mechanically change by friction and/or contact.Can mechanically change by friction and/or contact among the present invention be meant that coating can be removed through after the dry friction, and this dry friction comprises the KIMBERLY-CLARK company that uses
Cloth is keeping 3kg/cm
2In the time of pressure friction area to-and-fro movement 5 times.
The present invention is to the frangible provisional outer protection coating that covers-promptly utilize above-mentioned Wypall cloth keeping 60g/cm
2In the time of pressure at move back and forth 5 times the coating-particularly useful that after friction, can remove of friction area.
Description of drawings
Other openly please refer to Fig. 1, wherein:
Fig. 1 illustrates the ophthalmic lens that is provided with provisional outer protection coating and strippable electrostatic film according to an embodiment of the invention.
Embodiment
According to the present invention, provisional outer protection coating is coated with one deck adheres to this coating surface by static peel-able film (peelable electrostatic film).
This peelable electrostatic film itself is known and is the fexible film of preferably being made by Polyvinylchloride (PVC) by plastic material, the plasticizer loading of this material is higher, promptly (plasticizer loading) calculated by weight and is at least 20%, preferably calculate by weight and be at least 30%, and typically calculate by weight in the scope of 30%-60%.
Peelable electrostatic film according to the present invention has the thickness in the 100-200 mu m range usually, typically is about 150 μ m.
The trade mark that JAC company sells is that the content of the middle plastifier of the peelable electrostatic film of PVC (150 μ m are thick) of STICK 87015 is calculated by weight to 36%.The trade mark of the another kind of useful film of being sold by the said firm is No.87215.
This electrostatic film has the form of A4 paper usually, can cut out desired portion to provide protection to coating from this electrostatic film.
The grasping teat that stretches out lens edge can be set on this part, be beneficial to stripping film.
It is shocking, have been found that: although the provisional coating of inorganics that provisional protective coating-more particularly a kind of thickness is equal to or less than 50nm, the most in particular at MgF
2Under the situation of coating-exist and pass through friction and contact the hypersensitivity that changes, but can remove this protectiveness film and not change provisional protective coating from lens surface.
With reference to Fig. 1, show a kind of for example based on
The ophthalmic lens 1 of (diethylene glycol bis-allyl carbonate), the protruding side of this eyeglass 1 are coated with hydrophobic coating and/or oleophobic coating (for example fluoridized) and are coated with provisional outer protection coating (MgF for example
2Layer).
According to the present invention, the central portion of provisional protective coating is coated with strippable electrostatic film 2, and this film 2 comprises that basic is circular major part 3 and the grasping teat 4 that stretches out the edge of eyeglass 1 from the periphery of this major part 3.
This teat 4 allows easily to remove peel-able film 2, and does not change the risk of provisional outer protection coating.
Except before the deburring operation, removing the strippable electrostatic film, can carry out very conventional deburring operation to eyeglass according to the present invention, and the operation that in last step, needs to remove provisional protective coating.
Can in liquid medium or by dry friction or by implementing this dual mode in turn, carry out the removal step of provisional protective coating.
Preferably, by aqueous soup solution or alcohol isopropyl alcohol for example, in liquid medium, carry out and remove step.Also can use acid solution, particularly the volumetric molar concentration scope is the orthophosphoric acid solution of 0.01-1N.
This acid solution also can comprise negative ion, kation or amphoteric surfactant.
Can carry out the removal step at various temperatures, but at room temperature carry out usually.
Also can pass through mechanical effect, preferably use ultrasound wave to remove provisional protective coating.
In order to remove, preferably use Kimberly-Clark company to sell by dry friction
Cloth.
After the processing that utilizes liquid medium such as acid solution, dry friction or both combinations, described removal step can comprise the cleaning step that equals 7 aqueous solution by the pH value substantially.
When the removal step of provisional protective coating finishes, the initial eyeglass of the optics that eyeglass shows and character of surface and initial eyeglass-comprise more specifically hydrophobic coating and/or oleophobic coating-described characteristic have identical rank or even with its much at one.
The invention still further relates to a kind ofly to the optical mirror slip ophthalmic lens method of carrying out deburring more specifically, this method comprises the steps:
-a kind of optical mirror slip as described herein is provided;
-remove strippable electrostatic film, to expose the skin that can change mechanically;
-optical mirror slip is placed in comprises in the edge-neatening apparatus that keeps liner, so that keep liner to adhere to the skin that can change mechanically;
-this optical mirror slip is carried out deburring;
-remove provisional protective coating; And
-acquisition is through the final optical mirror slip of deburring.
Example 1
Such substrate is handled, and promptly this substrate is based on
The 15Supra ophthalmic lens has-2.00 diopter, and diameter is 65mm, and comprises the coating that resistance to wears of polysiloxane type in two sides.
1-1
Explanation to the substrate processing
Employed vacuum processor is the Balzers BAK760 machine that is provided with electron gun, " End-Hall " Mark 2Commonwealth type ion gun and Joule effect evaporation source.
Eyeglass is arranged on the carousel, and recessed side is towards evaporation source and ion gun.
Before reaching the secondary vacuum, carry out the pumping operation.
Utilize ar-ion beam that substrate surface is carried out radiation by Mark 2 ion guns, thereby activate substrate surface.
Then, after interrupting ionizing radiation, utilize 4 antireflective optical layers of electron gun continuous evaporation, i.e. high index of refraction (HI), low-refraction (BI), high index of refraction (HI), low-refraction (BI): ZrO
2/ SiO
2/ ZrO
2/ SiO
2
By name by the commodity that evaporation DAIKIN company sells
The product of (compound that comprises the perfluoropropene group) and deposit hydrophobic coating and oleophobic coating.
The thickness range of formed hydrophobic coating and oleophobic coating is 2-5nm.
Finally, by the provisional outer protection coating of hydatogenesis.
The material that is deposited is that the chemical formula of being sold by Merck company with 1 to 2.5nm grain size is MgF
2Compound.
Utilize electron gun to evaporate.
The physical thickness that is deposited is 20nm, and sedimentation velocity is 0.52nm/s.
Subsequently, heat the coated substrate of outside deposition and it is sent back in the atmosphere of process chamber once more.
Then that the upside upset of eyeglass is downward, its protruding side is orientated towards processing region.Handle protruding side (repetition above-mentioned steps) in the mode identical with handling recessed side.
Half of eyeglass after handling put into bag, do not carry out any protection.
1-2
The application of electrostatic film
The electrostatic film that will have by hand teat and diameter as shown in Figure 1 and be 38mm is applied to the middle part of the protruding side of other 15 eyeglasses.
Then, these eyeglasses are put into Landouzy/Papier Fabrik Lahnstein bag.
1-3
The storage of eyeglass
Not membrane 15 eyeglasses in the bag and 15 eyeglasses having an electrostatic film are arranged vertically in the cardboard case of 30 eyeglasses of every discharging (standard storage), and are neither regulating the indoor storage 4 months that humidity do not regulate temperature yet.
Pressure between substrate and the bag is approximately 200 grams.
1-4
The removal of electrostatic film and lens inspection step
Behind 4 months shelf lifes, from bag, take out all eyeglasses, and by pulling off teat peels off electrostatic film by hand.
Under the Waldmann lamp, check eyeglass.Integrality by reflection visual examination protective seam.When protective seam was perfect, its reflection was blueness and even on whole surface.When protective seam was changed, its reflection is inhomogeneous: defective had the size of diameter greater than 1mm.Subsequently, eyeglass is carried out the deburring operation.
Whether record deburring operation suitably carries out (keeping liner not have adhesion loss).
Example 2
Handle diopter according to the described mode of 1-1 section in the example 1 and be 30 polycarbonate lenses of-2.00.
1-1
Apply electrostatic film and eyeglass is placed in the bag
15 eyeglasses are put into bag, do not carry out any protection.
| With reference to eyeglass | Polycarbonate ,-2.00 diopters, diameter are 70mm |
| Quantity | 15 eyeglasses |
| Sack provider | Schock/Papier Fabrik Lahnstein Schock |
The electrostatic film that will have by hand teat and diameter and be 38mm is applied to the middle part of the protruding side of remaining other 15 eyeglasses.
Then eyeglass is put into bag.
| With reference to eyeglass | Polycarbonate ,-2.00 diopters, diameter are 70mm |
| Quantity | 15 eyeglasses |
| Electrostatic film supplier | Sericom-Plastorex company, JAC manufacturer |
| Material | PVC |
| Film thickness | 150μm |
1-2
Test
The purpose of this test is the extreme traffic condition of simulation.
Test specification:
The protruding side of eyeglass in the bag is placed onboard down.Then, on the path of 10cm from left to right and from right to left (in 16 seconds) move 40 plates rapidly.
The removal of electrostatic film and lens inspection step
After the test, from bag, take out all eyeglasses.
By pulling off teat peels off electrostatic film by hand.
Under the Waldmann lamp, check eyeglass.
Subsequently, eyeglass is carried out the deburring operation.
Claims (30)
1. optical mirror slip that comprises provisional outer protection coating; this provisional outer protection coating is local at least to be covered lens surface and comprises at least one skin; this at least one skin except be with metal oxide skin and/or metal hydroxides skin that the lower floor that comprises magnesium fluoride directly contacts; be by friction and/or to contact the skin that mechanically changes; wherein; described provisional outer protection coating is coated with by static and adheres to described outer field peel-able film; carrying out deburring when operation, the described eyeglass that is coated with provisional outer protection coating can deflection above 2 °.
2. eyeglass according to claim 1, it is characterized in that, described skin is made by the material that is selected from following material: metal fluoride and composition thereof, metal oxide and composition thereof, metal hydroxides and composition thereof, the potpourri of two or more this metal fluorides, metal oxide and metal hydroxides is used for the marking ink of optical mirror slip, and the resin that is selected from the resin of the bonding agent that can form this marking ink.
3. eyeglass according to claim 2 is characterized in that described metal fluoride is selected from MgF
2, LaF
3, AlF
3And CeF
3Described metal oxide is selected from MgO, CaO, TiO
2, Al
2O
3, ZrO
2And Pr
2O
3Described metal hydroxides is selected from Mg (OH)
2, Ca (OH)
2And Al (OH)
3
4. eyeglass according to claim 3 is characterized in that, described metal fluoride is MgF
2
5. eyeglass according to claim 3 is characterized in that, described metal oxide is MgO.
6. eyeglass according to claim 3 is characterized in that, described metal hydroxides is Mg (OH)
2
7. eyeglass according to claim 1 is characterized in that described skin is made by metal fluoride.
8. eyeglass according to claim 7 is characterized in that described skin is by MgF
2Make.
9. eyeglass according to claim 1 is characterized in that, described provisional outer protection coating is inorganics, and the thickness of this coating is equal to or less than 50nm.
10. eyeglass according to claim 1 is characterized in that the skin of described provisional outer protection coating has 15mJ/m at least
2Surface energy.
11. eyeglass according to claim 1 is characterized in that, described provisional outer protection coating covers at least 15% of lens surface.
12. eyeglass according to claim 11 is characterized in that, described provisional outer protection coating covers at least 20% of lens surface.
13. eyeglass according to claim 11 is characterized in that, described provisional outer protection coating covers at least 30% of lens surface.
14. eyeglass according to claim 11 is characterized in that, described provisional outer protection coating covers the whole surface of eyeglass.
15., it is characterized in that described provisional outer protection coating is multilayer coating according to each described eyeglass among the claim 1-14.
16., it is characterized in that deposition forms described provisional outer protection coating in gas phase according to each described eyeglass among the claim 1-14.
17. eyeglass according to claim 1 is characterized in that, described strippable electrostatic film is the fexible film of being made by plastic material, and this plastic material comprises at least a calculating by weight and is at least 20% plastifier.
18. eyeglass according to claim 17 is characterized in that, the described film of being made by plastic material comprises at least a calculating by weight and is at least 30% plastifier.
19. eyeglass according to claim 18 is characterized in that, the described film of being made by plastic material comprises the plastifier of at least a 30-60% of being calculated by weight to.
20., it is characterized in that the described fexible film of being made by plastic material is a polyvinyl chloride film according to each described eyeglass among the claim 17-19.
21. eyeglass according to claim 1 is characterized in that, the thickness of described electrostatic film is in the scope of 100-200 μ m.
22. eyeglass according to claim 1 is characterized in that, described provisional outer protection coating is formed on the hydrophobic surface coating and/or oleophobic surface coating of eyeglass.
23. eyeglass according to claim 22 is characterized in that, described hydrophobic surface coating and/or oleophobic surface coating have the 14mJ/m of being equal to or less than
2Surface energy.
24. eyeglass according to claim 23 is characterized in that, described hydrophobic surface coating and/or oleophobic surface coating have the 12mJ/m of being equal to or less than
2Surface energy.
25. eyeglass according to claim 22 is characterized in that, described hydrophobic surface coating and/or oleophobic surface coating have the thickness less than 10nm.
26. eyeglass according to claim 25 is characterized in that, described hydrophobic surface coating and/or oleophobic surface coating have the thickness less than 5nm.
27., it is characterized in that described hydrophobic surface coating and/or oleophobic surface coating are formed on the antireflection coating of eyeglass according to each described eyeglass among the claim 22-26.
28. a method that is used for optical mirror slip is carried out deburring, this method comprises the steps:
A kind of optical mirror slip that comprises provisional outer protection coating is provided, this provisional outer protection coating is local at least to be covered lens surface and comprises at least one skin, this at least one skin except be with metal oxide skin and/or metal hydroxides skin that the lower floor that comprises magnesium fluoride directly contacts, be by friction and/or to contact the skin that mechanically changes, wherein, described provisional outer protection coating is coated with by static and adheres to described outer field peel-able film;
Remove strippable electrostatic film, can be to expose by the skin of mechanical mode change;
Optical mirror slip is placed in comprises in the edge-neatening apparatus that keeps liner, so that keep liner to adhere to the skin that can change mechanically;
This optical mirror slip is carried out deburring;
Remove provisional protective coating; And
Obtain final optical mirror slip through deburring.
29. method according to claim 28 is characterized in that, described eyeglass is according to each described eyeglass among the claim 1-27.
30. method according to claim 28 is characterized in that, is carrying out deburring when operation, the described eyeglass that is coated with provisional outer protection coating can deflection above 2 °.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0311351 | 2003-09-26 | ||
| FR0311351A FR2860303A1 (en) | 2003-09-26 | 2003-09-26 | Optical lens provided with a temporary external protective coating covered with a peelable electrostatically adhered film, for protection during storage and manipulation prior to lens finishing operations |
| FR0450082 | 2004-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1871539A CN1871539A (en) | 2006-11-29 |
| CN100478740C true CN100478740C (en) | 2009-04-15 |
Family
ID=34307227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800308801A Active CN100478740C (en) | 2003-09-26 | 2004-09-24 | Ophthalmic lens which is coated with an electrostatic film and method of edging one such lens |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100478740C (en) |
| FR (1) | FR2860303A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518147A (en) * | 2011-05-12 | 2014-01-15 | 埃西勒国际通用光学公司 | Optical article comprising a precursor coating for an antifogging coating and a temporary layer rendering same suitable for edging |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8550623B2 (en) | 2005-03-01 | 2013-10-08 | Carl Zeiss Vision Australia Holdings, Ltd. | Coatings for ophthalmic lens elements |
| FR2962676B1 (en) * | 2010-07-13 | 2012-08-03 | Essilor Int | METHOD FOR DETOURING AN OPHTHALMIC LENS OF LENSES COMPRISING A COATING FILM |
| CN101963680A (en) * | 2010-08-27 | 2011-02-02 | 苏州五方光电科技有限公司 | Method for dividing surfaces of lens |
| CN103105632A (en) * | 2012-11-09 | 2013-05-15 | 江苏淘镜有限公司 | Super-waterproof protective film obtained with vacuum coating method |
| PT107486A (en) * | 2014-02-28 | 2015-08-28 | Samson Nataniel Mateus | FLEXIBLE COVER FOR GLASS LENS PROTECTION |
| US10436949B2 (en) | 2014-05-20 | 2019-10-08 | Essilor International | Optical lens coated with a patterned removable film and method for edging such a lens |
| WO2016034914A1 (en) | 2014-09-04 | 2016-03-10 | Essilor International (Compagnie Generale D'optique) | Optical lens comprising a protective removable film |
| EP3765278A1 (en) * | 2018-03-16 | 2021-01-20 | Essilor International | Optical lens and method of coating an edge surface of an optical lens |
| CN113059467B (en) * | 2021-03-23 | 2022-03-08 | 湖南大学 | Curved surface in-situ polishing method and device for electrostatic spraying air bag |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5343657A (en) * | 1992-09-18 | 1994-09-06 | Venture Tape Corporation | Method and apparatus for masking removable optical lens markings during lens grinding |
| FR2834712B1 (en) * | 2002-01-14 | 2004-12-17 | Essilor Int | PROCESS FOR TREATING OPHTHALMIC GLASS |
-
2003
- 2003-09-26 FR FR0311351A patent/FR2860303A1/en active Pending
-
2004
- 2004-09-24 CN CNB2004800308801A patent/CN100478740C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518147A (en) * | 2011-05-12 | 2014-01-15 | 埃西勒国际通用光学公司 | Optical article comprising a precursor coating for an antifogging coating and a temporary layer rendering same suitable for edging |
| CN103518147B (en) * | 2011-05-12 | 2016-03-23 | 埃西勒国际通用光学公司 | Comprise for antifogging coating presoma coating and make it be applicable to the optical article of the temporary layer of edging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1871539A (en) | 2006-11-29 |
| FR2860303A1 (en) | 2005-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4795954B2 (en) | Ophthalmic lens coated with electrostatic film and method for edging such a lens | |
| KR101764280B1 (en) | Optical Article Comprising a Temporary Anti-Fogging Coating With Improved Durability | |
| CN101617248B (en) | Process for manufacturing an optical article coated with an antireflection or reflective coating | |
| JP4201603B2 (en) | Method for producing glass suitable for trimming, glass obtained thereby, and method for trimming the glass | |
| US9481602B2 (en) | Method for preparing the surface of a lens including an anti-soiling coating for edging the same | |
| EP1853652B1 (en) | Process for applying a coating onto a surface of a lens substrate | |
| CN1871180B (en) | Process for treating an ophthalmic lens | |
| KR100966118B1 (en) | Method for treating a lens apt to trimming | |
| CN100478740C (en) | Ophthalmic lens which is coated with an electrostatic film and method of edging one such lens | |
| CN106457705B (en) | Optical mirror slip coated with patterned removable film and for the method to such glasses lens edge polishing | |
| EP3189358B1 (en) | Optical lens comprising a protective removable film | |
| CN112198674B (en) | Spectacle lens with different antifouling properties on both sides and method for producing the same | |
| JP2009106826A (en) | Method of forming protective coating film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180223 Address after: France Sharon Ton Le Pon Patentee after: Essilor International Ltd. Address before: French sirloin pass Patentee before: Essilor International General Optical Co., Ltd. |