WO2019004227A1 - レンズの製造方法 - Google Patents
レンズの製造方法 Download PDFInfo
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- WO2019004227A1 WO2019004227A1 PCT/JP2018/024241 JP2018024241W WO2019004227A1 WO 2019004227 A1 WO2019004227 A1 WO 2019004227A1 JP 2018024241 W JP2018024241 W JP 2018024241W WO 2019004227 A1 WO2019004227 A1 WO 2019004227A1
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- WIPO (PCT)
- Prior art keywords
- lens
- arrayed
- cutting
- support tape
- group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00269—Fresnel lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
- B29D11/00298—Producing lens arrays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
- B29D11/00307—Producing lens wafers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00365—Production of microlenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00932—Combined cutting and grinding thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/02—Polycondensates containing more than one epoxy group per molecule
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- 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
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2883/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as mould material
Definitions
- an arrayed lens having a configuration in which two or more lenses are two-dimensionally arrayed and these lenses are connected to each other via a junction is cut at the junction in a state of being fixed on a support tape.
- the present invention relates to a method of manufacturing a singulated lens.
- an array-like lens having a configuration in which two or more small and thin lenses are two-dimensionally arrayed and these lenses are connected to each other via a junction is manufactured and diced to form a small and thin lens.
- the method of efficiently producing lenses is adopted.
- the chips are easily fixed or attached to the lens due to heat or static electricity generated during dicing, and the chips once fixed or adhered are difficult to remove by washing with water or the like, so that the optical characteristics are deteriorated by the chips It has become.
- Patent Document 1 describes that arrayed lenses are subjected to static elimination treatment and hydrophilization treatment, and thereafter dicing while being washed with water to prevent cutting debris generated by dicing from adhering to the lenses. .
- the lens tends to absorb water, and the lens absorbs and expands during washing with water, which may lower the accuracy of the shape of the obtained lens and may also deteriorate the optical characteristics.
- an object of the present invention is to provide a method for efficiently manufacturing a lens with high precision and excellent optical characteristics.
- the present inventors tried to cut a lens fixed by sticking on a support tape at once using a blade or the like, and the blade or the like reached the support tape
- the driving force is very large, and the driving force pushes the support tape in the direction to be pulled away from the lens, causing a gap between the lens and the support tape, and cutting debris get in from the gap and the lens surface (Fig. 1-a)
- the lens is not cut at a stretch, but after a slight cutting, the cutting operation is temporarily stopped or the depth of cutting is stopped, and the propulsive force of the blade etc. is relaxed.
- the cutting operation is resumed and the uncut portion is cut, the propulsive force that the blade etc.
- an arrayed lens having a configuration in which two or more lenses are two-dimensionally arrayed and fixed on a support tape and these lenses are connected to each other via a junction
- a lens manufacturing method comprising the steps of: Cutting method: Once the cutting depth is advanced to the range of 50% or more and 99.9% or less of the joint thickness from the side opposite to the side bonded to the support tape, the progress of the cutting depth is temporarily stopped And then cut to a depth of 100%
- the present invention also provides a method of manufacturing the above lens, wherein the cutting of the arrayed lens is performed while cooling with water.
- the present invention also provides a method of manufacturing the above lens, wherein the arrayed lenses are adhered to the support tape at the joint of the lenses, the diameter of the lens is 1 to 5 mm, and the joint width is 1 mm or less. Do.
- the present invention also provides the method for producing a lens as described above, wherein the support tape has an adhesive strength of 3 to 20 N / 25 mm, and the adhesive strength is reduced or lost by ultraviolet irradiation or heat treatment.
- the present invention also provides a method of manufacturing the lens as described above, wherein the cutting of the arrayed lens is performed using a high speed rotating blade.
- the curable composition is molded with a mold and then cured to obtain an arrayed lens comprising the cured product of the curable composition, and the arrayed lens obtained is obtained on a support tape
- a method of manufacturing the above lens is provided, wherein the lens is fixed and cut.
- the present invention also provides the method of producing a lens as described above, wherein the breaking strain (JIS-K7162: 1994) of the arrayed lens is 0.1 to 30%.
- the present invention also provides the method for producing a lens as described above, wherein the lens is a molded product in which a plurality of microlenses, Fresnel lenses, microlenses or Fresnel lenses are joined through a junction, a lenticular lens, or a prism sheet. Do.
- the lens is manufactured by the above-described method, it is possible to suppress the formation of a gap between the support tape and the lens when the blade or the like reaches the support tape. Therefore, it is possible to prevent cutting debris from entering and adhering to the lens surface, and a lens having high optical characteristics can be obtained. Further, since it is not necessary to subject the lens to a hydrophilization treatment, it is possible to suppress a reduction in accuracy and a reduction in optical characteristics due to the hydrophilization treatment of the lens. Therefore, according to the present invention, a small and thin lens having excellent optical characteristics can be manufactured with high precision and efficiency.
- the method for producing a lens of the present invention is suitable, for example, as a method for producing a lens for a sensor or a lens for a camera of a mobile electronic device such as a mobile phone or a smartphone.
- Cutting method When the cutting depth is advanced to the range of 50% or more and 99.9% or less of the joint thickness from the side opposite to the side bonded to the support tape, the cutting depth is once advanced Stop and then cut to 100% cutting depth
- the cutting step in the present invention is a step of cutting and singulating the arrayed lens at the bonding portion, and 50% of the thickness of the bonding portion from the side opposite to the side where the arrayed lens is bonded to the support tape.
- the cutting depth is advanced to the range of 99.9% or less, the cutting depth is once stopped from progressing, and then the cutting depth is cut to 100%.
- the operation of stopping the progress of the cutting depth may be performed at least once in the range of 50% to 99.9% of the thickness of the bonding portion, and may be performed twice or more.
- the depth of the cutting start point of the site to be cut (specifically, the junction of the array lens) is 0%, and the depth at the completion of cutting is 100%.
- the arrayed lens has a configuration in which two or more lenses are two-dimensionally arranged, and these lenses are connected to each other via a junction.
- the diameter of the lens is, for example, 1 to 5 mm.
- the joint width is, for example, 1 mm or less, preferably 0.05 to 1 mm, and particularly preferably 0.05 to 0.5 mm, and the joint thickness is, for example, 0.1 to 1.5 mm.
- the lens includes, for example, a microlens, a Fresnel lens, a molded product in which a plurality of microlenses or Fresnel lenses are joined through a junction, a lenticular lens, a prism sheet, and the like.
- the lens includes a sensor lens of a mobile electronic device such as a mobile phone and a smartphone, a lens for a camera, and the like.
- the breaking strain of the arrayed lens is, for example, 0.1% or more, preferably 0. It is 3% or more, particularly preferably 0.5% or more.
- the upper limit of the breaking strain is, for example, 30%, preferably 20%, particularly preferably 10%, most preferably 5%, particularly preferably 3%.
- the breaking strain can be measured using a test piece 5B in accordance with JIS-K7162: 1994.
- the arrayed lenses are bonded and fixed to the support tape at the lens joints. And, in the present invention, since it is cut by the above method, even when the adhesion area with the support tape is small, or even if the lens is not subjected to a hydrophilization treatment, when the blade etc. reaches the support tape It is possible to suppress the formation of a gap between the lens and the lens, and it is possible to suppress the deterioration of the optical characteristics of the lens due to the adhesion of cutting debris introduced from the gap on the lens surface.
- the timing to stop the progress of the cutting depth is when advancing the cutting depth to the range of 50% or more and 99.9% or less of the joint thickness, and the lower limit of the cutting depth is the blade etc.
- 60% is preferable, more preferably 70%, particularly preferably 80%, most preferably 85%, particularly preferably 90% in that it can extremely reduce the propulsive force when it is reached.
- the upper limit is preferably 99%.
- the timing for stopping the progress of the cutting depth is preferably when the uncut thickness of the joint reaches, for example, any one point in the range of 1 ⁇ m or more, more preferably 2 ⁇ m or more, particularly preferably 3 ⁇ m. The above, most preferably 5 ⁇ m or more.
- the uncut thickness of the joint portion reaches, for example, any one point within the range of 50 ⁇ m or less, and in particular, the propelling force that the blade or the like has when reaching the support tape is extremely reduced. More preferably, it is 40 ⁇ m or less, particularly preferably 30 ⁇ m or less, and most preferably 25 ⁇ m or less.
- the propelling force which the blade or the like has when reaching the support tape is extremely reduced. It is possible to suppress or prevent the generation of the gap between the support tape and the lens caused by the propulsive force.
- the timing at which the progress of the cutting depth resumes is when the propulsive force of the blade or the like is relaxed.
- the time for stopping the progress of the cutting depth is, for example, 1 second or more, preferably 3 seconds or more, particularly preferably 5 seconds or more, and most preferably 10 seconds or more.
- the upper limit is not particularly limited, but it is not preferable to stop the operation for a long time because work efficiency is reduced.
- the means for cutting the arrayed lens is not particularly limited and any well-known and commonly used means can be employed. Among them, it is preferable to use a blade rotating at high speed.
- the rotational speed of the blade is, for example, about 10000 to 50000 revolutions / minute.
- the traveling speed of the blade ie, the traveling speed of the cutting depth
- the traveling speed of the blade is about 10 to 200 mm / sec.
- the cutting of the arrayed lens is carried out in a fixed state on the support tape.
- the support tape it is preferable to use a releasable pressure-sensitive adhesive tape that can be peeled off when it becomes unnecessary, since it can be peeled off from the support tape without damaging the obtained lens.
- Pressure sensitive adhesive tape, pressure sensitive adhesive tape, suitable adhesive force before performing heat treatment or ultraviolet irradiation is, for example, 3 N / 25 mm or more, preferably 4 N / 25 mm or more, particularly preferably 5 N / 25 mm or more, for example 20 N / 25 mm or less, preferably 18 N / 25 mm or less, particularly preferably 15 N / 25 mm or less
- adhesive force is, for example, 3 N / 25 mm or more, preferably 4 N / 25 mm or more, particularly preferably 5 N / 25 mm or more, for example 20 N / 25 mm or less, preferably 18 N / 25 mm or less, particularly preferably 15 N / 25 mm or less
- an adhesive tape which loses its tackiness that is, a thermosetting adhesive tape or a UV curable adhesive tape.
- the lens can be firmly held at the time of cutting, and when peeling of the lens is required, the lens can be easily peeled off by decreasing or losing the adhesive force.
- a thermosetting adhesive tape or a UV curable adhesive tape in that the lens can be prevented from being damaged during peeling, and in particular, it is possible to use a UV curable adhesive tape quickly and
- the lens can be selectively peeled off (for example, when it is desired to peel off only a specific lens among a plurality of singulated lenses, UV irradiation is performed only on the portion of the support tape to which the lens to be peeled is stuck To selectively peel off the lens).
- the thickness of the pressure-sensitive adhesive layer of the support tape is, for example, 1 ⁇ m or more, preferably 3 ⁇ m or more, particularly preferably 5 ⁇ m or more, particularly preferably 8 ⁇ m or more, for example 30 ⁇ m or less, preferably 18 ⁇ m or less, particularly preferably 15 ⁇ m or less. If the thickness of the pressure-sensitive adhesive layer is less than the above range, it may not have sufficient adhesiveness to fix the lens, and the lens may be peeled off and broken during cutting. When the thickness of the pressure-sensitive adhesive layer exceeds the above range, since the pressure-sensitive adhesive layer has elasticity, the lens may shake due to vibration of a blade or the like at the time of cutting, which may make it difficult to cut accurately.
- the support tape for example, a commercially available dicing tape (for example, “Elep Holder” series manufactured by Nitto Denko Corporation, “ADWILL” series manufactured by Lintec Corporation, manufactured by Denka Adtex Co., Ltd.)
- the “Elegrip” series, etc. can be suitably used.
- the cutting depth When the cutting depth is reopened to a cutting depth of 100% after restart of the cutting depth, a part of the thickness of the support tape may be cut together, but it is preferable not to completely cut the support tape. If the support tape is completely cut, for example, when cutting while cooling with water, the lens may be flushed with water, which may cause breakage.
- two or more lenses (more specifically, individualized lenses of the array-like lens, including the lens recess and its peripheral portion) An array lens with support tape is obtained, which is fixed on the support tape in a two-dimensional arrangement of the structures).
- the obtained lens with a cutting support tape (or an array lens with a support tape) can be peeled off without damaging the lens, by reducing or losing the adhesive force in a method according to the type of the support tape It is preferable in that it can be done.
- the adhesive power is reduced or lost by heat treatment and / or ultraviolet irradiation. It is preferable to peel off the lens.
- the lens peeled from the cutting support tape or the support tape can be suitably used as a sensor lens of a mobile electronic device such as a mobile phone or a smartphone, a lens for a camera, or the like.
- the arrayed lens to be subjected to the cutting step is preferably produced by molding the curable composition using a mold and then curing it.
- the curable composition is molded using a mold and then cured to two-dimensionally arrange two or more lenses, and these lenses are joined to each other Obtaining an arrayed lens having a configuration connected via the support, fixing the obtained arrayed lens on a support tape, and cutting the arrayed lens fixed on the support tape by the following method at the joint portion; It is preferable that it is the manufacturing method of the lens which has.
- Cutting method Once the cutting depth is advanced to the range of 50% or more and 99.9% or less of the joint thickness from the side opposite to the side bonded to the support tape, the progress of the cutting depth is temporarily stopped And then cut to a depth of 100%
- the curable composition is preferably one that can be cured by heat treatment and / or ultraviolet irradiation to form a cured product having excellent optical properties.
- a composition capable of forming a cured product excellent in optical properties by curing by ultraviolet irradiation ie, a photocurable composition
- a cationic curable compound as a curable compound A composition containing at least an epoxy resin is particularly preferable in that it is excellent in curability, and a composition containing at least an epoxy resin as a (cation) curable compound is excellent in curability, and optical properties (in particular, transparency), high hardness, and heat resistance It is most preferable in that a combined cured product (that is, a lens) can be obtained.
- epoxy resin known or common compounds having one or more epoxy groups (oxirane ring) in the molecule can be used, and for example, alicyclic epoxy compounds, aromatic epoxy compounds, aliphatic epoxy compounds and the like can be used. It can be mentioned. In the present invention, among them, a cured product having excellent heat resistance and transparency can be formed, and in one molecule, it has an alicyclic structure and two or more epoxy groups as functional groups. Functional cycloaliphatic epoxy compounds are preferred.
- polyfunctional alicyclic epoxy compound (I) a compound having an epoxy group (i.e., an alicyclic epoxy group) composed of two adjacent carbon atoms constituting an alicyclic ring and an oxygen atom (ii) an epoxy group directly bonded to an alicyclic ring
- an epoxy group i.e., an alicyclic epoxy group
- an epoxy group directly bonded to an alicyclic ring i.e., an alicyclic epoxy group
- X represents a single bond or a linking group (a divalent group having one or more atoms).
- the linking group include a divalent hydrocarbon group, an alkenylene group in which a part or all of carbon-carbon double bonds are epoxidized, a carbonyl group, an ether bond, an ester bond, a carbonate group, an amide group, and the like And the like.
- a substituent for example, an alkyl group etc.
- Examples of the divalent hydrocarbon group include linear or branched alkylene groups having 1 to 18 carbon atoms, and divalent alicyclic hydrocarbon groups.
- Examples of the linear or branched alkylene group having 1 to 18 carbon atoms include a methylene group, a methylmethylene group, a dimethylmethylene group, an ethylene group, a propylene group and a trimethylene group.
- Examples of the divalent alicyclic hydrocarbon group include a 1,2-cyclopentylene group, a 1,3-cyclopentylene group, a cyclopentylidene group, a 1,2-cyclohexylene group, and a 1,3-dicarboxylic acid group.
- cycloalkylene groups (including cycloalkylidene groups) such as cyclohexylene group, 1,4-cyclohexylene group, cyclohexylidene group and the like.
- alkenylene group in the above-mentioned alkenylene group (sometimes referred to as “epoxidized alkenylene group”) in which part or all of the carbon-carbon double bond is epoxidized is, for example, vinylene group, propenylene group, 1-butenylene group And C2-C8 linear or branched alkenylene groups such as 2-butenylene group, butadienylene group, pentenylene group, hexenylene group, heptenylene group, octenylene group and the like.
- an alkenylene group in which all of carbon-carbon double bonds are epoxidized is preferable, and more preferably, all of carbon-carbon double bonds are epoxidized and has 2 to 4 carbon atoms It is an alkenylene group.
- a linking group containing an oxygen atom is particularly preferable, and specifically, -CO-, -O-CO-O-, -COO-, -O-, -CONH-, epoxy A substituted alkenylene group; a group in which a plurality of these groups are linked; and a group in which one or more of these groups are linked to one or more of the divalent hydrocarbon groups.
- Representative examples of the compound represented by the above formula (i) include (3,4,3 ′, 4′-diepoxy) bicyclohexyl, bis (3,4-epoxycyclohexylmethyl) ether, 1,2- Epoxy-1,2-bis (3,4-epoxycyclohexan-1-yl) ethane, 2,2-bis (3,4-epoxycyclohexan-1-yl) propane, 1,2-bis (3,4-bis (3,4-epoxycyclohexan-1-yl) propane Examples thereof include epoxycyclohexan-1-yl) ethane and compounds represented by the following formulas (i-1) to (i-10).
- L in the following formula (i-5) is an alkylene group having 1 to 8 carbon atoms, and among them, a linear or branched chain having 1 to 3 carbon atoms such as methylene group, ethylene group, propylene group and isopropylene group Like alkylene groups are preferred.
- n 1 to n 8 each represent an integer of 1 to 30.
- the compound (i) having an alicyclic epoxy group described above also includes epoxy-modified siloxane.
- epoxy modified siloxane the linear or cyclic polyorganosiloxane which has a structural unit represented by following formula (i ') is mentioned, for example.
- R 1 represents a substituent containing an epoxy group represented by the following formula (1a) or (1b), R 2 represents an alkyl group or an alkoxy group.
- R 1a and R 1b are the same or different and each represents a linear or branched alkylene group, and examples thereof include a methylene group, a methylmethylene group, a dimethylmethylene group, an ethylene group, a propylene group, a trimethylene group, and a tetrale. Examples thereof include linear or branched alkylene groups having 1 to 10 carbon atoms such as methylene group, pentamethylene group, hexamethylene group and decamethylene group.
- the epoxy equivalent (based on JIS K 7236) of the epoxy-modified siloxane is, for example, 100 to 400, preferably 150 to 300.
- epoxy-modified siloxanes examples include commercially available products such as epoxy-modified cyclic polyorganosiloxanes (trade name “X-40-2670”, manufactured by Shin-Etsu Chemical Co., Ltd.) represented by the following formula (i′-1). It can be used.
- R ′ is a group (p-valent organic group) obtained by removing p hydroxyl groups (—OH) from the structural formula of p-valent alcohol, and p and n 9 each represent a natural number.
- the p-valent alcohol [R ′ — (OH) p ] include polyhydric alcohols such as 2,2-bis (hydroxymethyl) -1-butanol (alcohols having 1 to 15 carbon atoms, etc.), and the like.
- p is preferably 1 to 6
- n 9 is preferably 1 to 30.
- n 9 in the group in each square bracket (outside bracket) may be the same or different.
- Specific examples of the compound represented by the above formula (ii) include 1,2-epoxy-4- (2-oxiranyl) cyclohexane adduct of 2,2-bis (hydroxymethyl) -1-butanol [for example, And trade name "EHPE 3150" (manufactured by Daicel Co., Ltd.) and the like.
- compound (iii) which has the above-mentioned alicyclic and glycidyl group hydrogenated bisphenol A diglycidyl ether, hydrogenated bisphenol F diglycidyl ether, hydrogenated biphenol type epoxy compound, hydrogenated phenol novolak type epoxy compound, for example Hydrogenated aromatic glycidyl ether epoxy compounds such as hydrogenated cresol novolac epoxy compounds, hydrogenated cresol novolac epoxy compounds of bisphenol A, hydrogenated naphthalene epoxy compounds, and hydrogenated epoxy compounds of epoxy compounds obtained from trisphenolmethane Etc.
- Hydrogenated aromatic glycidyl ether epoxy compounds such as hydrogenated cresol novolac epoxy compounds, hydrogenated cresol novolac epoxy compounds of bisphenol A, hydrogenated naphthalene epoxy compounds, and hydrogenated epoxy compounds of epoxy compounds obtained from trisphenolmethane Etc.
- the compound (i) which has an alicyclic epoxy group is preferable at the point from which a surface hardness is high and the hardened
- the compounds (especially (3,4,3 ′, 4′-diepoxy) bicyclohexyl) are particularly preferred.
- the curable composition in the present invention may contain another curable compound other than the epoxy resin as a curable compound.
- a curable compound for example, one or two kinds of cationic curable compounds such as oxetane compounds and vinyl ether compounds are used. It can contain more than.
- the proportion of the epoxy resin in the total amount (100% by weight) of the curable compound contained in the curable composition is, for example, 50% by weight or more, preferably 60% by weight or more, particularly preferably 70% by weight or more, most preferably 80 % By weight or more.
- the upper limit is, for example, 100% by weight, preferably 90% by weight.
- the ratio of the compound (i) having an alicyclic epoxy group to the total amount (100% by weight) of the curable compound contained in the curable composition is, for example, 20% by weight or more, preferably 30% by weight or more, particularly preferably Is 40% by weight or more.
- the upper limit is, for example, 70% by weight, preferably 60% by weight.
- the ratio of the compound represented by the formula (i) to the total amount (100% by weight) of the curable compound contained in the curable composition is, for example, 10% by weight or more, preferably 15% by weight or more, particularly preferably It is 20% by weight or more.
- the upper limit is, for example, 50% by weight, preferably 40% by weight.
- the curable composition preferably contains a photopolymerization initiator together with the above-mentioned curable compound, and particularly preferably contains a photocationic polymerization initiator.
- the cationic photopolymerization initiator is a compound that generates an acid upon irradiation with light to initiate a curing reaction of a curable compound (particularly, a cationic curable compound) contained in the curable composition, and is a cation that absorbs light. Part and an anion part which is a source of acid generation.
- Examples of the cationic photopolymerization initiator include diazonium salt compounds, iodonium salt compounds, sulfonium salt compounds, phosphonium salt compounds, selenium salt compounds, oxonium salt compounds, ammonium salt compounds, bromine salt compounds, etc. Can be mentioned.
- a sulfonium salt compound in that a cured product having excellent curability can be formed.
- the cation part of the sulfonium salt compound include (4-hydroxyphenyl) methylbenzylsulfonium ion, triphenylsulfonium ion, diphenyl [4- (phenylthio) phenyl] sulfonium ion, 4- (4-biphenylylthio) phenyl And arylsulfonium ions such as -4-biphenylylphenylsulfonium ion and tri-p-tolylsulfonium ion (in particular, triarylsulfonium ion).
- the anionic portion of the cationic photopolymerization initiator for example, [(Y) s B ( Phf) 4-s] - ( in the formula, Y is .Phf illustrating a phenyl group or a biphenylyl group is at least one hydrogen atom, Represents a phenyl group substituted with at least one selected from a perfluoroalkyl group, a perfluoroalkoxy group, and a halogen atom, s is an integer of 0 to 3), BF 4 ⁇ , [(R f) t PF 6-t ] ⁇ (wherein, R f represents an alkyl group in which 80% or more of hydrogen atoms are substituted with a fluorine atom. T represents an integer of 0 to 5), AsF 6 ⁇ , SbF 6 ⁇ , SbF 5 OH- and the like.
- Examples of the cationic photopolymerization initiator in the present invention include (4-hydroxyphenyl) methylbenzylsulfonium tetrakis (pentafluorophenyl) borate, 4- (4-biphenylylthio) phenyl-4-biphenylylphenylsulfonium tetrakis (penta) Fluorophenyl) borate, 4- (phenylthio) phenyldiphenylsulfonium phenyltris (pentafluorophenyl) borate, [4- (4-biphenylylthio) phenyl] -4-biphenylylphenylsulfonium phenyltris (pentafluorophenyl) borate, Diphenyl [4- (phenylthio) phenyl] sulfonium tris (pentafluoroethyl) trifluorophosphate, dipheny
- the content of the photopolymerization initiator is, for example, in the range of 0.1 to 5.0 parts by weight with respect to 100 parts by weight of the curable compound (in particular, the cationically curable compound) contained in the curable composition. If the content of the photopolymerization initiator is below the above range, curing failure may occur. On the other hand, when the content of the photopolymerization initiator exceeds the above range, the cured product tends to be easily colored.
- the curable composition in the present invention comprises the above-mentioned curable compound, a photopolymerization initiator and, if necessary, other components (for example, a solvent, an antioxidant, a surface conditioner, a photosensitizer, an antifoamer, a leveling agent Agent, coupling agent, surfactant, flame retardant, UV absorber, coloring agent, etc.).
- the blending amount of the other components is, for example, 20% by weight or less, preferably 10% by weight or less, and particularly preferably 5% by weight or less of the total amount of the curable composition.
- curable composition in this invention commercial items, such as brand name "CELVENUS OUH106" (made by Daicel Co., Ltd.) can also be used, for example.
- a silicone mold can be used as the mold.
- the mold has a plurality of inverted shapes (that is, reverse concave and convex shapes) of a lens (for example, 10 or more, preferably 20 or more, particularly preferably 30 or more, and most preferably 50 or more).
- the arrangement (two-dimensional arrangement) of the concavo-convex shape of the inverted shape of the lens in the mold is not particularly limited, but among them, two-dimensionally arrayed at a constant interval in that production efficiency can be improved. Is preferred.
- a two-part configuration of the upper and lower molds for example, a mold having an inverted shape of the concave surface of the lens and a mold having an inverted shape of the convex surface of the lens It is possible to use a mold which has a two-part construction to be a lower mold.
- a mold release agent may be applied to the surface of the mold.
- the release agent include fluorine-based release agents, silicone-based release agents, and wax-based release agents. These can be used singly or in combination of two or more.
- Examples of the method of molding the curable composition using a mold include the following methods (1) to (3).
- a curable composition is applied to a substrate, a mold is pressed thereon, and then the curable composition is cured, and then the mold is peeled off (2) the curable composition is applied to a mold The substrate is pressed from the above, the curable composition is cured, and then the mold is released (3) The curable composition is applied to at least one of the upper and lower molds of the mold, and the upper and lower molds are combined. Curing the curable composition and then peeling the upper and lower molds
- a substrate having a light transmittance of 90% or more at a wavelength of 400 nm is preferably used, and a substrate made of quartz or glass can be suitably used.
- the light transmittance of the said wavelength is calculated
- a spray method, a spin coating method, a screen printing method or the like can be used as a method of applying the curable composition.
- Curing of the curable composition can be performed, for example, by irradiation with ultraviolet light when using a photocurable composition as the curable composition.
- a light source at the time of ultraviolet irradiation a high pressure mercury lamp, an ultra high pressure mercury lamp, a carbon arc lamp, a xenon lamp, a metal halide lamp and the like are used.
- the irradiation time varies depending on the type of light source, the distance between the light source and the application surface, and other conditions, but is at most several tens of seconds.
- the illuminance is about 5 to 200 mW.
- heating post curing
- Examples 1 to 4 Curable composition (trade name "CELVENUS OUH 106" manufactured by Daicel Co., Ltd., breaking strain of the cured product on silicone mold (measured according to JIS-K7162: 1994, using test piece 5B): 0 8%) was applied, and the mold was closed with a flat silicone mold from above. After closing the mold, UV irradiation (80 mW ⁇ 30 seconds) was performed, and then mold opening was performed. An array of microlenses was obtained having a configuration in which 100 microlenses were arranged in 10 rows ⁇ 10 rows, and these microlenses were connected to each other via a junction.
- the obtained arrayed microlenses are attached to the support tape described in Table 1 below, and a blade is used to cut the junctions (thickness: 0.3 mm) of the arrayed microlenses by the following cutting method:
- the grid-like cuts reaching each of the 11 support tapes were made to obtain 100 individualized products (including a microlens recess and its periphery) having a side length of 4.0 mm (FIG. 3).
- the appearance was visually observed for 100 pieces of the obtained individualized pieces, and those with no dirt attached were counted to evaluate the adhesion suppression rate of cutting chips.
- the cutting method was divided into two steps.
- Comparative Examples 1 to 10 The arrayed microlenses obtained by the same method as in the example are attached to the support tape described in Table 2 below, and a blade is used to cut one step at the bonding portion under the conditions described in Table 2 below. In addition, 100 pieces of individualized pieces (including microlens concave portions and their peripheral portions) each having a side length of 4.0 mm were obtained. The adhesion suppression effect of cutting chips was evaluated by the method similar to an Example about the obtained individualization.
- UV curable dicing tape manufactured by Lintec Co., Ltd., trade name "ADWILL-D-485H", adhesive layer thickness: 5 ⁇ m, adhesive strength: 4.9 N / 25 mm -Tape
- UV curable dicing tape manufactured by Lintec Co., Ltd., trade name "ADWILL-D-611", adhesive layer thickness: 15 ⁇ m, adhesive strength: 12.3 N / 25 mm -Tape
- UV curable dicing tape manufactured by Denka Adtex Co., Ltd., trade name "UHP-1515MCE” adhesive layer thickness: 15 ⁇ m, adhesive strength: 10.2 N / 25 mm -Tape
- UV curable dicing tape manufactured by Denka Adtex Co., Ltd., trade name "UHP-1510M4," adhesive layer thickness: 10 ⁇ m, adhesive strength: 12.5 N / 25 mm
- a method of manufacturing a lens comprising the steps of: Cutting method: Once the cutting depth is advanced to the range of 50% or more and 99.9% or less of the joint thickness from the side opposite to the side bonded to the support tape, the progress of the cutting depth is temporarily stopped And then cutting to a cutting depth of 100%
- the arrayed lens is adhered to the support tape at the joint of the lens, the diameter of the lens is 1 to 5 mm, and the width of the joint is 1 mm or less, according to [1] or [2] Lens manufacturing method.
- Lens manufacturing method [5] The method for producing a lens according to any one of [1] to [4], wherein the cutting of the arrayed lens is performed using a blade rotating at high speed.
- the curable composition is molded using a mold and then cured to obtain an arrayed lens comprising the cured product of the curable composition, and the arrayed lens obtained is fixed on a support tape
- the method for producing a lens according to [6], wherein the curable composition comprises a cationic curable compound.
- the method for producing a lens according to [6], wherein the curable composition contains an epoxy resin.
- the curable composition is 3,4-epoxycyclohexylmethyl (3,4-epoxy) cyclohexanecarboxylate, 3,4,3 ', 4'-diepoxy) bicyclohexyl, bis (3,4-epoxycyclohexylmethyl) ) Ethers, 1,2-epoxy-1,2-bis (3,4-epoxycyclohexan-1-yl) ethane, 2,2-bis (3,4-epoxycyclohexan-1-yl) propane, and 1,
- the manufacturing method of the lens as described in [6] which contains at least 1 sort (s) selected from 2-bis (3, 4- epoxy cyclohexane -1- yl) ethane.
- the curable composition is (3,4,3 ′, 4′-diepoxy) bicyclohexyl, bis (3,4-epoxycyclohexylmethyl) ether, 1,2-epoxy-1,2-bis (3, From 4-epoxycyclohexan-1-yl) ethane, 2,2-bis (3,4-epoxycyclohexan-1-yl) propane, and 1,2-bis (3,4-epoxycyclohexan-1-yl) ethane
- the manufacturing method of the lens as described in [6] containing at least 1 sort (s) selected.
- the curable composition contains an epoxy resin (preferably a compound having an alicyclic epoxy group, particularly preferably a polyfunctional alicyclic epoxy compound), and the epoxy accounts for the total amount of the curable compound contained in the curable composition.
- the proportion of the resin preferably a compound having an alicyclic epoxy group, particularly preferably a polyfunctional alicyclic epoxy compound
- the method for producing a lens according to [6] which is preferably 70% by weight, particularly preferably 60% by weight.
- the curable composition contains the compound represented by the formula (i), and the ratio of the compound represented by the formula (i) to the total amount of the curable compound contained in the curable composition is 10% by weight or more
- the method of manufacturing a lens according to the present invention is suitable, for example, as a method of manufacturing a sensor lens and a camera lens of a mobile electronic device such as a mobile phone and a smartphone.
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Abstract
Description
切断方法:支持テープに貼り合わせられた側とは反対側から前記接合部厚みの50%以上、99.9%以下の範囲まで切断深度を進行させた時点で、一旦、切断深度の進行を停止させ、その後、切断深度100%まで切断する
従って、本発明によれば、小型で薄型の、光学特性に優れるレンズを精度よく、且つ効率よく製造することができる。
本発明のレンズの製造方法は、例えば、携帯電話、スマートフォンをはじめとするモバイル電子機器のセンサー用レンズやカメラ用レンズの製造方法として好適である。
本発明のレンズの製造方法は、支持テープ上に固定された、2個以上のレンズが2次元的に配列し、これらのレンズが互いに接合部を介して連結した構成を有するアレイ状レンズを、前記接合部において下記方法で切断する工程(=切断工程)を有する。
切断方法:支持テープに貼り合わせられた側とは反対側から、前記接合部厚みの50%以上、99.9%以下の範囲まで切断深度を進行させた時点で、一旦、切断深度の進行を停止させ、その後、切断深度100%まで切断する
本発明における切断工程は、アレイ状レンズを接合部において切断し、個片化する工程であり、アレイ状レンズを、支持テープに貼り合わせられた側とは反対側から前記接合部厚みの50%以上、99.9%以下の範囲まで切断深度を進行させた時点で、一旦、切断深度の進行を停止させ、その後、切断深度100%まで切断することを特徴とする。尚、本発明における切断工程では、切断深度の進行を停止する操作を、接合部厚みの50%以上、99.9%以下の範囲において少なくとも1回行えばよく、2回以上行うこともできる。
上記切断工程に付すアレイ状レンズとしては、硬化性組成物をモールドを用いて成型し、その後、硬化させて製造されるものであることが好ましい。
切断方法:支持テープに貼り合わせられた側とは反対側から前記接合部厚みの50%以上、99.9%以下の範囲まで切断深度を進行させた時点で、一旦、切断深度の進行を停止させ、その後、切断深度100%まで切断する
(i)脂環を構成する隣接する2つの炭素原子と酸素原子とで構成されるエポキシ基(すなわち、脂環エポキシ基)を有する化合物
(ii)脂環に直接単結合で結合したエポキシ基を有する化合物
(iii)脂環とグリシジル基とを有する化合物
等が挙げられる。
(1)基板に硬化性組成物を塗布し、その上にモールドを押し付け、硬化性組成物を硬化させた後、モールドを剥離する方法
(2)モールドに硬化性組成物を塗布し、その上から基板を押し付け、硬化性組成物を硬化させた後、モールドを剥離する方法
(3)モールドの上型と下型の少なくとも一方に硬化性組成物を塗布し、上型と下型とを合わせた上で硬化性組成物を硬化させ、その後、上型と下型を剥離する方法
シリコーンモールド上に硬化性組成物(商品名「CELVENUS OUH106」、(株)ダイセル製、硬化物の破断ひずみ(JIS-K7162:1994に準拠した方法で、試験片5B型を用いて測定):0.8%)を塗布し、上から平板状のシリコーンモールドにて型閉じを行った。型閉じ後、UV照射(80mW×30秒)を行い、その後、型開きを行った。100個のマイクロレンズが縦10列×横10列に配列し、これらのマイクロレンズが互いに接合部を介して連結した構成を有するアレイ状マイクロレンズを得た。
得られたアレイ状マイクロレンズを下記表1に記載の支持テープに貼着し、ブレードを使用して、アレイ状マイクロレンズの接合部(厚み:0.3mm)に下記切断方法で、縦、横各11本の支持テープに達する格子状切り込みを入れて、一辺の長さが4.0mmの個片化物(マイクロレンズ凹部とその周辺部とを含む)を100個の得た(図3)。得られた個片化物100個について、外観を目視で観察し、汚れの付着が無いものを計数して切削屑の付着抑制率を評価した。
切断方法
二段階に分けて切断を行った。
すなわち、一段階目は前記接合部の厚み方向において未切断(切り残し)部分を残した状態で切断を終え、続く二段階目で前記未切断(切り残し)部分を完全に切断した。尚、特定の切断部位における、一段階目の切断終了後、二段階目の切断開始までの時間は、25秒であった。
実施例と同様の方法で得られたアレイ状マイクロレンズを下記表2に記載の支持テープに貼着し、ブレードを使用して、接合部において、下記表2に記載の条件で一段階で切断し、一辺の長さが4.0mmの個片化物(マイクロレンズ凹部とその周辺部とを含む)100個を得た。得られた個片化物について、実施例と同様の方法で切削屑の付着抑制効果を評価した。
・テープ(1):UV硬化型ダイシングテープ、リンテック(株)製、商品名「ADWILL-D-485H」、粘着剤層厚み:5μm、粘着力:4.9N/25mm
・テープ(2):UV硬化型ダイシングテープ、リンテック(株)製、商品名「ADWILL-D-611」、粘着剤層厚み:15μm、粘着力:12.3N/25mm
・テープ(3):UV硬化型ダイシングテープ、デンカアドテックス(株)製、商品名「UHP-1515MCE」、粘着剤層厚み:15μm、粘着力:10.2N/25mm
・テープ(4):UV硬化型ダイシングテープ、デンカアドテックス(株)製、商品名「UHP-1510M4」、粘着剤層厚み:10μm、粘着力:12.5N/25mm
[1] 支持テープ上に固定された、2個以上のレンズが2次元的に配列し、これらのレンズが互いに接合部を介して連結した構成を有するアレイ状レンズを、前記接合部において下記方法で切断する工程を有する、レンズの製造方法。
切断方法:支持テープに貼り合わせられた側とは反対側から前記接合部厚みの50%以上、99.9%以下の範囲まで切断深度を進行させた時点で、一旦、切断深度の進行を停止させ、その後、切断深度100%まで切断する
[2] アレイ状レンズの切断を、アレイ状レンズを水冷しつつ行う、[1]に記載のレンズの製造方法。
[3] アレイ状レンズは、レンズの接合部において支持テープに接着し、前記レンズの直径は1~5mmであり、前記接合部幅は1mm以下である、[1]又は[2]に記載のレンズの製造方法。
[4] 支持テープが3~20N/25mmの粘着力を有し、前記粘着力は紫外線照射又は加熱処理を施すことにより低下又は喪失する、[1]~[3]の何れか1つに記載のレンズの製造方法。
[5] アレイ状レンズの切断を、高速回転するブレードを用いて行う、[1]~[4]の何れか1つに記載のレンズの製造方法。
[6] 硬化性組成物をモールドを用いて成型し、その後、硬化させて前記硬化性組成物の硬化物から成るアレイ状レンズを得、得られたアレイ状レンズを支持テープ上に固定して切断する、[1]~[5]の何れか1つに記載のレンズの製造方法。
[7] 硬化性組成物がカチオン硬化性化合物を含む、[6]に記載のレンズの製造方法。
[8] 硬化性組成物がエポキシ樹脂を含む、[6]に記載のレンズの製造方法。
[9] 硬化性組成物が脂環エポキシ基を有する化合物を含む、[6]に記載のレンズの製造方法。
[10] 硬化性組成物が多官能脂環式エポキシ化合物を含む、[6]に記載のレンズの製造方法。
[11] 硬化性組成物が式(i)で表される化合物を含む、[6]に記載のレンズの製造方法。
[12] 硬化性組成物が3,4-エポキシシクロヘキシルメチル(3,4-エポキシ)シクロヘキサンカルボキシレート、3,4,3’,4’-ジエポキシ)ビシクロヘキシル、ビス(3,4-エポキシシクロヘキシルメチル)エーテル、1,2-エポキシ-1,2-ビス(3,4-エポキシシクロヘキサン-1-イル)エタン、2,2-ビス(3,4-エポキシシクロヘキサン-1-イル)プロパン、及び1,2-ビス(3,4-エポキシシクロヘキサン-1-イル)エタンから選択される少なくとも1種を含む、[6]に記載のレンズの製造方法。
[13] 硬化性組成物が(3,4,3’,4’-ジエポキシ)ビシクロヘキシル、ビス(3,4-エポキシシクロヘキシルメチル)エーテル、1,2-エポキシ-1,2-ビス(3,4-エポキシシクロヘキサン-1-イル)エタン、2,2-ビス(3,4-エポキシシクロヘキサン-1-イル)プロパン、及び1,2-ビス(3,4-エポキシシクロヘキサン-1-イル)エタンから選択される少なくとも1種を含む、[6]に記載のレンズの製造方法。
[14] 硬化性組成物がエポキシ樹脂(好ましくは脂環エポキシ基を有する化合物、特に好ましくは多官能脂環式エポキシ化合物)を含み、硬化性組成物に含まれる硬化性化合物全量に占める前記エポキシ樹脂(好ましくは脂環エポキシ基を有する化合物、特に好ましくは多官能脂環式エポキシ化合物)の割合が20重量%以上(好ましくは30重量%以上、特に好ましくは40重量%以上であり、上限は、好ましくは70重量%、特に好ましくは60重量%)である、[6]に記載のレンズの製造方法。
[15] 硬化性組成物が式(i)で表される化合物を含み、硬化性組成物に含まれる硬化性化合物全量に占める前記式(i)で表される化合物の割合が10重量%以上(好ましくは15重量%以上、特に好ましくは20重量%以上)である、[6]に記載のレンズの製造方法。
[16] JIS-K7162:1994に準拠した方法によるアレイ状レンズの破断ひずみが0.1~30%である、[1]~[15]の何れか1つに記載のレンズの製造方法。
[17] レンズがマイクロレンズ、フレネルレンズ、マイクロレンズ若しくはフレネルレンズの複数個が接合部を介して結合した成型物、レンチキュラーレンズ、又はプリズムシートである、[1]~[16]の何れか1つに記載のレンズの製造方法。
2 アレイ状レンズ
3 支持テープ
3’ レンズサイズに切断された支持テープ
4 レンズと支持テープとの浮き
5 アレイ状レンズのレンズ凹部
6 アレイ状レンズの接合部
7 アレイ状レンズの接合部厚み
8 支持テープに固定されたアレイ状マイクロレンズ
9 アレイ状レンズの個片化物
10 レンズ周辺部
11 レンズ凹部
12 接合部厚み
Claims (8)
- 支持テープ上に固定された、2個以上のレンズが2次元的に配列し、これらのレンズが互いに接合部を介して連結した構成を有するアレイ状レンズを、前記接合部において下記方法で切断する工程を有するレンズの製造方法。
切断方法:支持テープに貼り合わせられた側とは反対側から前記接合部厚みの50%以上、99.9%以下の範囲まで切断深度を進行させた時点で、一旦、切断深度の進行を停止させ、その後、切断深度100%まで切断する - アレイ状レンズの切断を、水冷しつつ行う、請求項1に記載のレンズの製造方法。
- アレイ状レンズは、レンズの接合部において支持テープに接着し、前記レンズの直径は1~5mmであり、前記接合部幅は1mm以下である、請求項1又は2に記載のレンズの製造方法。
- 支持テープが3~20N/25mmの粘着力を有し、前記粘着力は紫外線照射又は加熱処理を施すことにより低下又は喪失する、請求項1~3の何れか1項に記載のレンズの製造方法。
- アレイ状レンズの切断を、高速回転するブレードを用いて行う、請求項1~4の何れか1項に記載のレンズの製造方法。
- 硬化性組成物をモールドを用いて成型し、その後、硬化させて前記硬化性組成物の硬化物から成るアレイ状レンズを得、得られたアレイ状レンズを支持テープ上に固定して切断する、請求項1~5の何れか1項に記載のレンズの製造方法。
- アレイ状レンズの破断ひずみ(JIS-K7162:1994)が0.1~30%である、請求項1~6の何れか1項に記載のレンズの製造方法。
- レンズがマイクロレンズ、フレネルレンズ、マイクロレンズ若しくはフレネルレンズの複数個が接合部を介して結合した成型物、レンチキュラーレンズ、又はプリズムシートである、請求項1~7の何れか1項に記載のレンズの製造方法。
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CN201880043184.6A CN110799859A (zh) | 2017-06-27 | 2018-06-26 | 透镜的制造方法 |
KR1020207001946A KR20200018683A (ko) | 2017-06-27 | 2018-06-26 | 렌즈의 제조 방법 |
US16/626,685 US20200158920A1 (en) | 2017-06-27 | 2018-06-26 | Method for producing lens |
EP18824997.3A EP3647832A4 (en) | 2017-06-27 | 2018-06-26 | LENS PRODUCTION PROCESS |
JP2019526946A JP7071356B2 (ja) | 2017-06-27 | 2018-06-26 | レンズの製造方法 |
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Citations (6)
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JP2006049419A (ja) * | 2004-08-02 | 2006-02-16 | Nec Tokin Corp | ダイシング方法 |
JP2007194469A (ja) * | 2006-01-20 | 2007-08-02 | Renesas Technology Corp | 半導体装置の製造方法 |
JP2007273743A (ja) * | 2006-03-31 | 2007-10-18 | Kyocera Corp | 半導体基板のダイシング方法及び半導体基板 |
JP2013003541A (ja) | 2011-06-21 | 2013-01-07 | Konica Minolta Advanced Layers Inc | 複合レンズの製造方法 |
JP2013104931A (ja) * | 2011-11-11 | 2013-05-30 | Renesas Electronics Corp | 半導体装置およびその製造方法ならびに液晶表示装置 |
JP2017125298A (ja) | 2016-01-12 | 2017-07-20 | 株式会社適正地盤設計協会 | 地盤改良工法およびそれによって得られた改良地盤 |
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JP4347655B2 (ja) * | 2003-04-24 | 2009-10-21 | オリンパス株式会社 | レンズアレイ及びレンズ部品 |
JPWO2009022520A1 (ja) * | 2007-08-10 | 2010-11-11 | コニカミノルタオプト株式会社 | 加工方法 |
JP5047243B2 (ja) * | 2008-09-26 | 2012-10-10 | シャープ株式会社 | 光学素子ウエハモジュール、光学素子モジュール、光学素子モジュールの製造方法、電子素子ウエハモジュール、電子素子モジュールの製造方法、電子素子モジュールおよび電子情報機器 |
WO2013146487A1 (ja) * | 2012-03-30 | 2013-10-03 | コニカミノルタ株式会社 | レンズアレイ、レンズアレイの製造方法及び光学素子の製造方法 |
-
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JP2006049419A (ja) * | 2004-08-02 | 2006-02-16 | Nec Tokin Corp | ダイシング方法 |
JP2007194469A (ja) * | 2006-01-20 | 2007-08-02 | Renesas Technology Corp | 半導体装置の製造方法 |
JP2007273743A (ja) * | 2006-03-31 | 2007-10-18 | Kyocera Corp | 半導体基板のダイシング方法及び半導体基板 |
JP2013003541A (ja) | 2011-06-21 | 2013-01-07 | Konica Minolta Advanced Layers Inc | 複合レンズの製造方法 |
JP2013104931A (ja) * | 2011-11-11 | 2013-05-30 | Renesas Electronics Corp | 半導体装置およびその製造方法ならびに液晶表示装置 |
JP2017125298A (ja) | 2016-01-12 | 2017-07-20 | 株式会社適正地盤設計協会 | 地盤改良工法およびそれによって得られた改良地盤 |
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EP3647832A1 (en) | 2020-05-06 |
US20200158920A1 (en) | 2020-05-21 |
KR20200018683A (ko) | 2020-02-19 |
JPWO2019004227A1 (ja) | 2020-04-23 |
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