WO2007086478A1 - 色収差補正レンズ用の含フッ素ポリマーおよび色収差補正レンズ - Google Patents
色収差補正レンズ用の含フッ素ポリマーおよび色収差補正レンズ Download PDFInfo
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- WO2007086478A1 WO2007086478A1 PCT/JP2007/051199 JP2007051199W WO2007086478A1 WO 2007086478 A1 WO2007086478 A1 WO 2007086478A1 JP 2007051199 W JP2007051199 W JP 2007051199W WO 2007086478 A1 WO2007086478 A1 WO 2007086478A1
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/18—Monomers containing fluorine
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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
-
- 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
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
Definitions
- the present invention relates to a fluorinated polymer for a chromatic aberration correcting lens, a chromatic aberration correcting lens comprising the same, and a chromatic aberration correcting lens system.
- ZEONEX manufactured by Nippon Zeon Co., Ltd.
- APEL manufactured by Mitsui Chemicals Co., Ltd.
- resin materials for lenses but all have a low Abbe number of around 55 and low anomalous dispersion. It has the necessary characteristics for a chromatic aberration correction lens.
- Patent Document 1 Japanese Patent Laid-Open No. 7-199123 (Means for Solving the Problems)
- Patent Document 2 Japanese Patent Application Laid-Open No. 2004-333768 (paragraph 0040)
- An object of the present invention is to provide a material having characteristics necessary for a chromatic aberration correction lens and excellent in moldability and impact resistance.
- the present inventors have found that the present invention is useful as a specific fluorine-containing polymer chromatic aberration correction lens, and have reached the present invention.
- the present invention has the following gist.
- ⁇ 1> A carbon chain with a chain of carbon atoms as the main chain and a fluorine atom bonded as a carbon atom in the main chain
- a fluorine-containing polymer for a chromatic aberration correction lens characterized by vd> 75, 0 gF> O. 50 and ⁇ 0 gF> O.
- the carbon atom of the main chain and constituting one aliphatic ring includes a carbon atom to which a fluorine atom or an oxygen atom is bonded, and does not include a carbon atom to which a hydrogen atom is bonded.
- a carbon atom that is a carbon atom in the main chain and constitutes one aliphatic ring, a carbon atom to which a fluorine atom or an oxygen atom is bonded, and a carbon atom to which a hydrogen atom is bonded The fluorine-containing polymer as described in ⁇ 2> above.
- the carbon atom of the main chain and constituting one aliphatic ring includes a carbon atom to which a hydrogen atom is bonded and does not include a carbon atom to which a fluorine atom is bonded.
- ⁇ 8> A polymer obtained by polymerizing a cyclic monomer containing a carbon atom having a hydrogen atom as a carbon atom constituting a polymerizable double bond and not containing a carbon atom having a fluorine atom bonded thereto, and fluoroolefin.
- X 1 is a fluorine atom, a perfluoroalkyl group having 1 to 4 carbon atoms, or a perfluoroalkoxy group having 1 to 4 carbon atoms.
- R 1 and R 2 are each independently a fluorine atom, a perfluoroalkyl group having 1 to 4 carbon atoms, or a perfluoroalkoxy group having 1 to 4 carbon atoms.
- R 3 and R 4 are each independently a fluorine atom or a trifluoroalkyl group.
- Q 1 has an etheric oxygen atom in which the total number of carbon atoms and oxygen atoms excluding the side chain is 2 to 4! /, But may be a perfluoroalkylene group.
- X 2 and X 3 represent a fluorine atom, or jointly form an epoxy oxygen atom, or jointly have an etheric oxygen atom having 2 to 4 carbon atoms! /, May! / Forms a perfluoroalkylene group.
- Q 2 may have an etheric oxygen atom or a fluorine atom having a total number of carbon atoms and oxygen atoms excluding side chains of 2 to 4, and may be an alkylene group.
- X 4 is a hydrogen atom or a methyl group.
- R 5 and R 6 each independently have a hydrogen atom, a fluorine atom, or a fluorine atom !, but may represent an alkyl group or jointly an etheric oxygen atom having 3 to 5 carbon atoms or Even if it has a fluorine atom, it forms an alkylene group.
- X 5 is a hydrogen atom or a methyl group.
- R 7 and R 8 each independently have a hydrogen atom, a fluorine atom, or a fluorine atom !, but may represent an alkyl group or jointly an etheric oxygen atom having 3 to 5 carbon atoms or Even if it has a fluorine atom, it forms an alkylene group.
- X 8 is a hydrogen atom or a methyl group.
- R 9 and R 1G each independently have a hydrogen atom, a fluorine atom, or a fluorine atom !, but may represent an alkyl group or jointly an etheric oxygen atom having 3 to 5 carbon atoms or Even if it has a fluorine atom, it forms an alkylene group.
- x 6 and x 7 are each independently a fluorine atom, a chlorine atom, a hydrogen atom or a trifluoromethyl group.
- a chromatic aberration correcting lens comprising the fluorine-containing polymer according to any one of ⁇ 1> to ⁇ 12>.
- the correction of chromatic aberration includes the combination of the lens with nd> l.6, Abbe number vd ⁇ 40 and the chromatic aberration correction lens described in ⁇ 13> above. Lens system.
- the fluorine-containing polymer of the present invention has a high Abbe number, a large partial dispersion ratio, and a large anomalous dispersibility. Therefore, a chromatic aberration correction lens using the same can effectively correct secondary chromatic aberration. .
- this fluoropolymer is excellent in easy moldability, and the chromatic aberration correcting lens having the fluoropolymer power is excellent in impact resistance and easy to handle.
- a compound represented by the formula (1) is referred to as a compound (1).
- the fluoropolymer of the present invention is a fluoropolymer having a chain of carbon atoms as a main chain.
- the carbon chain in the main chain of this polymer also has a chain force in which two carbon atoms that constitute the polymerizable double bond of the monomer are connected. Therefore, in a fluoropolymer, “includes a carbon atom bonded with a fluorine atom as the main chain carbon atom” means at least two carbon atoms constituting the polymerizable double bond of the polymer monomer. On the other hand, it means that it contains a monomer unit formed by polymerization of a monomer having a fluorine atom bonded thereto.
- the fluorine-containing polymer of the present invention is a polymer that is transparent up to the near ultraviolet region. It is preferably a polymer having a structure including a force that is a fluoropolymer, or a carbon atom having a hydrogen atom bonded to the main chain, but the carbon atom having a hydrogen atom bonded to the main chain carbon atom is not continuous. .
- the fluoropolymer of the present invention is amorphous, it is excellent in transparency even in the near-ultraviolet region.
- the crystallinity of the polymer is preferably 30% or less, more preferably 20% or less.
- Examples of the amorphous fluorine-containing polymer include polymers having an aliphatic ring structure in the main chain, tetrafluoroethylene Z-vinylidene fluoride Z-hexafluoropropylene-based copolymer, tetrafluoroethylene Z perfluoro ( A methyl vinyl ether) copolymer or a tetrafluoroethylene z perfluoro (propyl butyl ether) copolymer is preferred, and a polymer having an aliphatic ring structure in the main chain is particularly preferred.
- a polymer having an aliphatic ring structure in the main chain high transparency and high heat resistance can be achieved.
- the refractive index of g-line is higher than that of F-line, d-line, and C-line.
- the refractive index of F-line, d-line, and C-line does not change so much, and a high partial dispersion ratio is achieved. In other words, high transparency in the visible range is essential.
- the phrase "having an aliphatic ring structure in the main chain” means that one or more carbon atoms constituting the aliphatic ring in the polymer are carbon atoms in the main chain of the polymer.
- the carbon atom of the main chain is derived from two carbon atoms of the polymerizable double bond of the monomer constituting the polymer, or formed by cyclization polymerization of the monomer having two polymerizable double bonds. In the case of the polymer produced, it is derived from 4 carbon atoms of 2 polymerizable bonds.
- the atoms constituting the aliphatic ring may include oxygen atoms and nitrogen atoms in addition to carbon atoms.
- the aliphatic ring is an aliphatic ring having 1 to 2 oxygen atoms.
- the number of atoms constituting the aliphatic ring is preferably 4 to 7, more preferably 5 or 6.
- Examples of the fluorine-containing polymer having an aliphatic ring structure in the main chain include a homopolymer or copolymer of a cyclic monomer, and a homopolymer or copolymer obtained by cyclopolymerizing a gen-based monomer.
- Examples of these copolymers include copolymers of cyclic monomers and other monomers, copolymers of gen-based monomers and other monomers, copolymers of cyclic monomers and gen-based monomers, and the like.
- the “cyclic monomer” means a monomer having an aliphatic ring and having a polymerizable double bond between a carbon atom and a carbon atom constituting the aliphatic ring, or an aliphatic ring having an aliphatic ring. It is a monomer having a polymerizable double bond between a carbon atom constituting the ring and a carbon atom outside the aliphatic ring.
- a “gen-based monomer” is a monomer having two polymerizable double bonds.
- Examples of the amorphous fluorine-containing polymer having a chain of carbon atoms as a main chain, a carbon atom having a fluorine atom as a main chain carbon atom, and an aliphatic ring structure in the main chain include the following: Polymer is preferred.
- Fluorine-containing carbon atoms in the main chain including carbon atoms to which fluorine atoms or oxygen atoms are bonded, and carbon atoms to which hydrogen atoms are bonded as carbon atoms constituting one aliphatic ring polymer.
- a fluorine-containing polymer comprising a carbon atom to which a fluorine atom or an oxygen atom is bonded and a carbon atom to which a hydrogen atom is bonded as a carbon atom of the main chain and constituting one aliphatic ring.
- the carbon atom of the main chain and constituting one aliphatic ring includes a carbon atom bonded with a hydrogen atom, does not include a carbon atom bonded with a fluorine atom, and does not include a carbon atom bonded with a fluorine atom.
- the fluorine-containing polymer of [1] above includes a carbon atom having a fluorine atom bonded thereto as a carbon atom constituting a polymerizable double bond, and does not include a carbon atom having a hydrogen atom bonded thereto! / Polymerization of cyclic monomers, or carbon atoms with fluorine atoms as carbon atoms constituting polymerizable double bonds, without carbon atoms with hydrogen atoms attached! It can be obtained from polymerization.
- the following monomer (1) or the following monomer may be used as the cyclic monomer containing a carbon atom to which a fluorine atom is bonded as a carbon atom constituting the polymerizable double bond and not including a carbon atom to which a hydrogen atom is bonded.
- (2) is preferred.
- X 1 , R 3 and R 4 have the same meaning as described above.
- X 1 is preferably a fluorine atom or a trifluoroalkoxy group.
- R 1 and R 2 are preferably each independently a fluorine atom or a trifluoromethyl group.
- R 3 and R 4 are preferably each independently a fluorine atom or a trifluoromethyl group! /.
- Monomer (1) examples include the following monomers.
- Monomer (1-1) is preferred because the resulting polymer has high heat resistance.
- monomer (2) examples include the following compounds.
- Monomer (2-2) is preferred because it is easy to synthesize.
- the following monomer (3) is preferable as a gen-based monomer containing a carbon atom having a fluorine atom bonded thereto as a carbon atom constituting the polymerizable double bond and not containing a carbon atom having a hydrogen atom bonded thereto.
- Q 1 has the same meaning as described above.
- Q 1 is preferably a total number of carbon atoms and oxygen atoms excluding side chains of 2 or 3.
- the etheric oxygen atom may be present at one end of the group or at both ends of the group. It may be present between the carbon atoms of the group.
- the viewpoint of cyclopolymerizability is preferably present at one end of the group.
- the monomer is subjected to cyclopolymerization to form a fluorine-containing polymer containing one or more monomer units selected from the group power consisting of the following monomer units (A), the following monomer units (B), and the following monomer units (C).
- A monomer units
- B monomer units
- C monomer units
- the carbon atoms of the main chain are derived from 4 carbon atoms of 2 polymerizable double bonds.
- monomer (3) examples include the following monomers.
- Monomer (3-3) and monomer (3-4) are preferred because they are easy to synthesize and the resulting polymer has high heat resistance.
- a hydrogen atom bonded to a carbon atom and The ratio of the number of fluorine atoms bonded to carbon atoms to the total number of fluorine atoms bonded to carbon atoms is preferably 80% or more, particularly preferably 100%.
- fluoroolefin As a monomer to be copolymerized with a cyclic monomer or a gen-based monomer, fluoroolefin is preferable.
- the ratio of the monomer unit having a fluorine-containing aliphatic ring structure to the total monomer units is preferably 50 mol% or more, more preferably 80 mol% or more.
- the preferred main chain is particularly preferably only a monomer unit having a fluorine-containing aliphatic ring structure.
- the monomer unit having a fluorinated alicyclic structure is a monomer unit formed by polymerization of a cyclic monomer or a monomer unit formed by cyclopolymerization of a gen-based monomer.
- the fluorine-containing polymer of the above [1] has high transparency and high, Abbe number and high, partial dispersion ratio, and anomalous dispersion due to the high content of monomer units having a fluorine-containing aliphatic ring structure.
- the fluoropolymer of [2] above cyclizes a gen-based monomer containing a carbon atom having a fluorine atom bonded thereto as a carbon atom constituting a polymerizable double bond and a carbon atom having a hydrogen atom bonded thereto. It can be obtained by polymerization.
- the fluoropolymer of the present invention preferably contains a monomer unit formed by cyclopolymerization of the following monomer (4).
- X 2 , X 3 and Q 2 have the same meaning as above
- Q 2 is preferably the total number of carbon atoms and oxygen atoms excluding the side chain is 2 or 3.
- the etheric oxygen atom may be present at one end of the group or may be present at both ends of the group. It may exist between carbon atoms.
- the viewpoint of cyclopolymerizability is also preferably present at one end of the group! /.
- Q 2 is .
- R 10 , R 12 and R 13 each independently represent a fluorine atom or a hydrogen atom.
- R 11 is the fluorine source Child, trifluoromethyl group, hydrogen atom or methyl group.
- the monomer is subjected to cyclopolymerization to form a fluorine-containing polymer including one or more monomer units selected from the group force consisting of the following monomer unit (D), the following monomer unit (E), and the following monomer unit (F). To do.
- monomer (4) examples include the following monomers.
- Monomer (4-1), monomer (4-2), monomer (45), and monomer (46) are preferred because they are easy to synthesize and the resulting polymer has high heat resistance.
- the fluorine-containing polymer of [2] above contains a carbon atom to which a hydrogen atom is bonded as a carbon atom of the main chain, but due to the presence of a carbon atom to which a fluorine atom derived from the same monomer is bonded, The main chain avoids long and continuous structures of carbon atoms to which hydrogen atoms are bonded. Therefore, the fluorine-containing polymer has high, transparency and high, Abbe number and high, partial dispersion ratio, and abnormal dispersion.
- the fluorine-containing polymer of [3] above is a hydrogen atom as a carbon atom constituting a polymerizable double bond. It can be obtained by polymerizing a cyclic monomer and a fluoroolefin containing carbon atoms having bonded atoms and not containing carbon atoms having fluorine atoms.
- the fluorine-containing polymer of the present invention is obtained by polymerization of a monomer unit formed by polymerization of the following formula (5), the following formula (6) or the following formula (7) and the following monomer (8). It is preferable that the monomer unit is formed.
- X 4 , X 5 , X 6 , X 7 , X 8 , R 5 , R 6 , R 7 , R 8 , R 9 and R 10 have the same meaning as described above.
- R 5 and R 6 are preferably each independently a hydrogen atom or a methyl group.
- the monomer (5) include the following monomers. In view of easy synthesis, the monomer (5-1), the monomer (5-2), the monomer (5-3), the monomer (5-4), or the monomer (5-6) is preferred.
- R 7 and R 8 are preferably each independently a hydrogen atom or a methyl group.
- the monomer (6) include the following monomers. In view of easy synthesis, the monomer (6-1), the monomer (6-3), or the monomer (6-4) is preferable.
- R 9 and R 10 are preferably each independently a trifluoromethyl group or a methyl group.
- monomer (7) examples include the following monomers. In view of easy synthesis, monomer (7-1), monomer (7-2), and monomer (7-5) are preferred.
- Specific examples of the monomer (8) include the following monomers. Because of high polymerizability
- the fluorine-containing polymer of [3] formed by polymerization of the monomer (5), the monomer (6) or the monomer (7) and the monomer (8).
- the ratio with respect to the monomer units is preferably 40:60 to 60:40, more preferably 55: 4 5 to 45:55.
- a random copolymer is preferable.
- Such a fluorine-containing polymer contains carbon atoms to which hydrogen atoms are bonded as carbon atoms of the main chain. However, due to the presence of carbon atoms to which fluorine atoms are bonded, the main chain is long and continuous with carbon atoms to which hydrogen atoms are bonded. This structure can be avoided. Therefore, the fluoropolymer has high transparency, high Abbe number and high part. It has a minute dispersion ratio and anomalous dispersion.
- the weight average molecular weight of the fluorine-containing polymer of the present invention is preferably 5000 to 500000 force, particularly preferably 10 000 to 300000 force!
- the polymerization reaction is preferably performed in the presence of a radical initiator.
- the radical initiator include radical polymerization initiators used in normal radical polymerization, and examples thereof include azo compounds, organic peroxide carbonates, organic peroxides, inorganic peroxides, and organic peroxide esters. .
- radical polymerization initiator examples include 2, 2'-azobis (2-amidinopropane) dihydrochloride, 4, 4'-azobis (4-cianopentanoic acid), 2, 2'-azobis (4- Methoxy compounds such as methoxy-1,4-dimethylvale-tolyl) and 1,1'-azobis (1-cyclohexanecarbo-tolyl); organic peroxycarbonates such as diisopropylperoxydicarbonate; Benzoinorepenoloxide, Penolefnoreo Benzoinorepenoleoxide, Perfluorononanoylperoxide, Methylethylketone peroxide, Disopropylperoxydicarbonate, and other organic peroxides; KSO, (NH ) S
- Inorganic peroxides such as O; perbutyl PV (trade name, manufactured by NOF Corporation), perbutyl
- the polymerization method is not particularly limited, and examples include Barta polymerization, solution polymerization, suspension polymerization, and emulsion polymerization.
- the temperature and pressure in the polymerization are not particularly limited.
- the polymerization temperature is preferably from 0 to 200 ° C, particularly preferably from 30 to 100 ° C.
- the polymerization pressure is preferably 0 to 10 MPa (gauge pressure), both under reduced pressure and under pressure, and particularly preferably 0 to 5 MPa (gauge pressure).
- a method for producing a chromatic aberration correcting lens using the fluorine-containing polymer of the present invention a usual method for producing a resin lens can be employed. Since the resin in the present invention is soluble in a solvent, an optical lens having a small thickness can be prepared by casting from a solution. Moreover, since it is a thermoplastic resin, injection molding, compression molding, etc. can be adopted.
- a fluorine-based solvent can be freely selected.
- Specific examples include Asahi Clin AK-225 (trade name, manufactured by Asahi Glass Co., Ltd.), Trichrome mouth trifluoroethane, perfluoromethy. Examples include rudecalin.
- a hydrocarbon solvent can be freely selected. Specific examples include acetone, DMF, ethyl acetate and the like.
- the fluorine-containing polymer of the present invention has a high Abbe number, a high partial dispersion ratio, and an anomalous dispersion, as well as transparency in the visible range.
- the fluorine-containing polymer of the present invention has an Abbe number of Vd, gF line partial dispersion ratio of ⁇ gF, and gF line partial dispersion ratio of standard linear force deviation of ⁇ gF, vd> 75, 0 gF> O. 50 and ⁇ 0 gF> O. 03.
- v d> 80, ⁇ gF> 0.52 and ⁇ 0 gF> O. 04 forces are more preferred, and v d> 90, 0 gF> O. 55 and ⁇ ⁇ gF> 0.05 are more preferred.
- the chromatic aberration correction lens made of the fluorine-containing polymer cover of the present invention has a high refractive index and a high dispersion glass (refractive index nd> 1) such as optical glass F2 manufactured by SCHOTT and optical glass S-TIM2 manufactured by OHARA. 6, vd 40)
- nd> 1 refractive index
- nd> 1 high dispersion glass
- Z (V 1 — V 2) which is a measure of the amount of chromatic aberration
- (0 1 ⁇ 0 2) is the difference in the partial dispersion ratio of g— F line between the fluorine-containing polymer of the present invention and the high refractive index high dispersion glass
- (V 1 ⁇ V 2) is the fluorine-containing polymer of the present invention. It shows the difference in Abbe number between polymer and high refractive index 'high dispersion glass.
- a lens When a lens is molded from the fluorine-containing polymer of the present invention and used as a chromatic aberration correction lens, it has an impact resistance and easy moldability that are not found in conventional glass materials, and thus is extremely industrially useful. Useful chromatic aberration correction lenses are provided.
- the refractive index was measured by the V-block method using a refractometer PR-2 manufactured by Carl Zeiss Jena.
- the refractive index at C line is nC
- the refractive index at d line is nd
- the refractive index at F line is nF
- the refractive index at g line is ng
- the Abbe number is vd.
- G—F line partial dispersion ratio is expressed as ⁇ gF
- g—F line partial dispersion ratio standard deviation (abnormal dispersion) as ⁇ 0 gF.
- polymer (A1)) (3.9 g) was obtained.
- polymer (A4) (2.9 g) was obtained.
- CFOCF CF CF CF homopolymer (trade name Cytop CTL811A, Asahi Glass
- a lens can be molded by producing a cylindrical body by injection molding, cutting the cylindrical body, and using a dedicated lathe.
- a colorless transparent film (film thickness 20 O / z m) was produced by press molding at 80 ° C. using 0. lg of polymer (A3).
- the physical properties of this film were measured as in Example 1, and the results are shown in Table 1.
- the fluorine-containing polymer of the present invention is useful as a chromatic aberration correction lens because it has a high partial dispersion ratio and anomalous dispersion with a high Abbe number. It should be noted that the entire contents of the specification, claims, and abstract of Japanese Patent Application No. 2006-019072 filed on Jan. 27, 2006 are hereby incorporated herein by reference. And that is what we take in.
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Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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EP07707431.8A EP1978380A4 (en) | 2006-01-27 | 2007-01-25 | FLUOROPOLYMER FOR A CHROMATIC ERROR CORRECTION LENS AND CHROMATIC ERROR CORRECTION LENS |
CA002640199A CA2640199A1 (en) | 2006-01-27 | 2007-01-25 | Fluoropolymer for chromatic aberration-free lens and chromatic aberration-free lens |
CN2007800036590A CN101375183B (zh) | 2006-01-27 | 2007-01-25 | 色差矫正透镜用含氟聚合物及色差矫正透镜 |
JP2007556001A JP4930380B2 (ja) | 2006-01-27 | 2007-01-25 | 色収差補正レンズ用の含フッ素ポリマーおよび色収差補正レンズ |
US12/180,005 US7696291B2 (en) | 2006-01-27 | 2008-07-25 | Fluoropolymer for chromatic aberration-free lens and chromatic aberration-free lens |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-019072 | 2006-01-27 | ||
JP2006019072 | 2006-01-27 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/180,005 Continuation US7696291B2 (en) | 2006-01-27 | 2008-07-25 | Fluoropolymer for chromatic aberration-free lens and chromatic aberration-free lens |
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WO2007086478A1 true WO2007086478A1 (ja) | 2007-08-02 |
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US (1) | US7696291B2 (ja) |
EP (1) | EP1978380A4 (ja) |
JP (1) | JP4930380B2 (ja) |
KR (1) | KR20080086974A (ja) |
CN (1) | CN101375183B (ja) |
CA (1) | CA2640199A1 (ja) |
TW (1) | TW200745173A (ja) |
WO (1) | WO2007086478A1 (ja) |
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WO2021141065A1 (ja) * | 2020-01-08 | 2021-07-15 | ダイキン工業株式会社 | エレクトレット材料及び静電誘電型変換素子 |
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US8558152B2 (en) * | 2010-07-22 | 2013-10-15 | Raytheon Company | Lens concentrator system for semi-active laser target designation |
DE102012200146B4 (de) * | 2012-01-05 | 2021-09-30 | Olympus Winter & Ibe Gmbh | Umkehrsatz für ein Endoskop und Endoskop |
WO2014129207A1 (ja) * | 2013-02-25 | 2014-08-28 | パナソニック株式会社 | 光学素子、複合光学素子、交換レンズ及び撮像装置 |
EP3008099B1 (en) * | 2013-06-14 | 2017-05-17 | 3M Innovative Properties Company | Fluoropolymers comprising monomeric units derived from a vinyl perfluoroalkyl or vinyl perfluoroalkylenoxide perfluorovinyl ether |
EP3696224A1 (en) | 2014-03-06 | 2020-08-19 | 3M Innovative Properties Co. | Highly fluorinated elastomers |
CN104791710A (zh) * | 2015-03-12 | 2015-07-22 | 上海小糸车灯有限公司 | 一种led光源车灯用消色差多层组合透镜 |
CN110730673B (zh) | 2017-06-05 | 2022-04-19 | 爱尔康公司 | 高折射率、高阿贝数的人工晶状体材料 |
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- 2007-01-25 JP JP2007556001A patent/JP4930380B2/ja active Active
- 2007-01-25 KR KR1020087012107A patent/KR20080086974A/ko active IP Right Grant
- 2007-01-25 EP EP07707431.8A patent/EP1978380A4/en not_active Withdrawn
- 2007-01-25 CA CA002640199A patent/CA2640199A1/en not_active Abandoned
- 2007-01-25 CN CN2007800036590A patent/CN101375183B/zh not_active Expired - Fee Related
- 2007-01-26 TW TW096103263A patent/TW200745173A/zh unknown
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2008
- 2008-07-25 US US12/180,005 patent/US7696291B2/en not_active Expired - Fee Related
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014129206A1 (ja) * | 2013-02-25 | 2014-08-28 | パナソニック株式会社 | 光学素子、複合光学素子、交換レンズ及び撮像装置 |
JPWO2014129206A1 (ja) * | 2013-02-25 | 2017-02-02 | パナソニックIpマネジメント株式会社 | 光学素子、複合光学素子、交換レンズ及び撮像装置 |
WO2021141065A1 (ja) * | 2020-01-08 | 2021-07-15 | ダイキン工業株式会社 | エレクトレット材料及び静電誘電型変換素子 |
JP2021109976A (ja) * | 2020-01-08 | 2021-08-02 | ダイキン工業株式会社 | エレクトレット材料及び静電誘電型変換素子 |
Also Published As
Publication number | Publication date |
---|---|
US7696291B2 (en) | 2010-04-13 |
EP1978380A4 (en) | 2014-07-09 |
JPWO2007086478A1 (ja) | 2009-06-25 |
JP4930380B2 (ja) | 2012-05-16 |
CA2640199A1 (en) | 2007-08-02 |
TW200745173A (en) | 2007-12-16 |
US20080306232A1 (en) | 2008-12-11 |
EP1978380A1 (en) | 2008-10-08 |
CN101375183B (zh) | 2011-08-17 |
CN101375183A (zh) | 2009-02-25 |
KR20080086974A (ko) | 2008-09-29 |
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