JP2013521532A - 大開口数多モード光ファイバ - Google Patents
大開口数多モード光ファイバ Download PDFInfo
- Publication number
- JP2013521532A JP2013521532A JP2012556124A JP2012556124A JP2013521532A JP 2013521532 A JP2013521532 A JP 2013521532A JP 2012556124 A JP2012556124 A JP 2012556124A JP 2012556124 A JP2012556124 A JP 2012556124A JP 2013521532 A JP2013521532 A JP 2013521532A
- Authority
- JP
- Japan
- Prior art keywords
- refractive index
- optical fiber
- core
- concave
- cladding region
- 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.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 68
- 238000005253 cladding Methods 0.000 claims abstract description 79
- 239000000835 fiber Substances 0.000 claims abstract description 62
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000005284 excitation Effects 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims description 31
- 238000000576 coating method Methods 0.000 description 42
- 239000011248 coating agent Substances 0.000 description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 29
- 239000010410 layer Substances 0.000 description 29
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 21
- 239000000377 silicon dioxide Substances 0.000 description 14
- 239000002019 doping agent Substances 0.000 description 13
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 12
- 239000011737 fluorine Substances 0.000 description 12
- 229910052731 fluorine Inorganic materials 0.000 description 12
- 239000000178 monomer Substances 0.000 description 12
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 11
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- VFBJXXJYHWLXRM-UHFFFAOYSA-N 2-[2-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]ethylsulfanyl]ethyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCCSCCOC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 VFBJXXJYHWLXRM-UHFFFAOYSA-N 0.000 description 8
- 239000008199 coating composition Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- PJAKWOZHTFWTNF-UHFFFAOYSA-N (2-nonylphenyl) prop-2-enoate Chemical compound CCCCCCCCCC1=CC=CC=C1OC(=O)C=C PJAKWOZHTFWTNF-UHFFFAOYSA-N 0.000 description 6
- 239000004721 Polyphenylene oxide Substances 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229920000570 polyether Polymers 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 description 5
- -1 Al 2 O 3 or P 2 O 5 Chemical compound 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 229940119177 germanium dioxide Drugs 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 4
- KBQVDAIIQCXKPI-UHFFFAOYSA-N 3-trimethoxysilylpropyl prop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C=C KBQVDAIIQCXKPI-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000834 fixative Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000011253 protective coating Substances 0.000 description 4
- 239000004071 soot Substances 0.000 description 4
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- FHLPGTXWCFQMIU-UHFFFAOYSA-N [4-[2-(4-prop-2-enoyloxyphenyl)propan-2-yl]phenyl] prop-2-enoate Chemical compound C=1C=C(OC(=O)C=C)C=CC=1C(C)(C)C1=CC=C(OC(=O)C=C)C=C1 FHLPGTXWCFQMIU-UHFFFAOYSA-N 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- GUCYFKSBFREPBC-UHFFFAOYSA-N [phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C(=O)C1=C(C)C=C(C)C=C1C GUCYFKSBFREPBC-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- RZFODFPMOHAYIR-UHFFFAOYSA-N oxepan-2-one;prop-2-enoic acid Chemical compound OC(=O)C=C.O=C1CCCCCO1 RZFODFPMOHAYIR-UHFFFAOYSA-N 0.000 description 2
- ZNMATIXSWXFBPZ-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1.C=CC(=O)OCC1CO1 ZNMATIXSWXFBPZ-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 150000003573 thiols Chemical class 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- MAFQBSQRZKWGGE-UHFFFAOYSA-N trimethoxy-[2-[4-(2-trimethoxysilylethyl)phenyl]ethyl]silane Chemical compound CO[Si](OC)(OC)CCC1=CC=C(CC[Si](OC)(OC)OC)C=C1 MAFQBSQRZKWGGE-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- MYWOJODOMFBVCB-UHFFFAOYSA-N 1,2,6-trimethylphenanthrene Chemical compound CC1=CC=C2C3=CC(C)=CC=C3C=CC2=C1C MYWOJODOMFBVCB-UHFFFAOYSA-N 0.000 description 1
- PUGOMSLRUSTQGV-UHFFFAOYSA-N 2,3-di(prop-2-enoyloxy)propyl prop-2-enoate Chemical compound C=CC(=O)OCC(OC(=O)C=C)COC(=O)C=C PUGOMSLRUSTQGV-UHFFFAOYSA-N 0.000 description 1
- XMIIGOLPHOKFCH-UHFFFAOYSA-N 3-phenylpropionic acid Chemical compound OC(=O)CCC1=CC=CC=C1 XMIIGOLPHOKFCH-UHFFFAOYSA-N 0.000 description 1
- AIXZBGVLNVRQSS-UHFFFAOYSA-N 5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole Chemical compound CC(C)(C)C1=CC=C2OC(C3=CC=C(S3)C=3OC4=CC=C(C=C4N=3)C(C)(C)C)=NC2=C1 AIXZBGVLNVRQSS-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RHEABQZPRXNEFL-UHFFFAOYSA-N COC1=C(C(=O)[P](C2=C(CC(C=C2)(C)C)C)=O)C(=CC=C1)OC Chemical compound COC1=C(C(=O)[P](C2=C(CC(C=C2)(C)C)C)=O)C(=CC=C1)OC RHEABQZPRXNEFL-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- JOBBTVPTPXRUBP-UHFFFAOYSA-N [3-(3-sulfanylpropanoyloxy)-2,2-bis(3-sulfanylpropanoyloxymethyl)propyl] 3-sulfanylpropanoate Chemical compound SCCC(=O)OCC(COC(=O)CCS)(COC(=O)CCS)COC(=O)CCS JOBBTVPTPXRUBP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- UIYCHXAGWOYNNA-UHFFFAOYSA-N vinyl sulfide Chemical group C=CSC=C UIYCHXAGWOYNNA-UHFFFAOYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03655—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + +
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
- G02B6/03683—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - - + +
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
- G02B6/03677—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - + + -
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
Description
(1)52重量%のポリエーテルウレタンアクリレートオリゴマー(BR3741, Bomar Specialty)、40重量%のエトキシル化(4)ノニルフェノールアクリレート(Photomer 4003, Cognis Corp.)、5重量%のN-ビニルピロリジノン、1.5重量%のビス(2,4,6-トリメチルベンゾイル)フェニル-酸化リン(Irgacure 819, Chiba Specialty)、1.5重量%の1-ヒドロキシシクロヘキシルフェニルケトン(Irgacure 184, Chiba Specialty)、1pphのチオジエチレンビス(3,5-ジ-ター-ブチル)-4-ヒドロキシヒドロケイ皮酸塩(Irganox 1035, Chiba Specialty)、及び1pphの3-アクリルオキシプロピルトリメトキシシラン;
(2)52重量%のポリエーテルウレタンアクリレートオリゴマー(BR3741, Bomar Specialty)、40重量%のエトキシル化(4)ノニルフェノールアクリレート(Photomer 4003, Cognis Corp.)、5重量%のN-ビニルカプロラクタム、1.5重量%のビス(2,4,6-トリメチルベンゾイル)フェニル-酸化リン(Irgacure 819, Chiba Specialty)、1.5重量%の1-ヒドロキシシクロヘキシルフェニルケトン(Irgacure 184, Chiba Specialty)、1pphのチオジエチレンビス(3,5-ジ-ター-ブチル)-4-ヒドロキシヒドロケイ皮酸塩(Irganox 1035, Chiba Spechialty)、及び1pphの3-アクリルオキシプロピルトリメトキシシラン;
(3)52重量%のポリエーテルウレタンアクリレートオリゴマー(BR3731, Sartomer Co.)、45重量%のエトキシル化(4)ノニルフェノールアクリレート(SR504, Sartomer Co.)、3重量%の(2,6-ジメトキシベンゾイル)-2,4,4-トリメチルフェニル-酸化リン(Irgacure 1850, Chiba Specialty)、1pphのチオジエチレンビス(3,5-ジ-ター-ブチル)-4-ヒドロキシヒドロケイ皮酸塩(Irganox 1035, Chiba Specialty)、1pphのビス(トリメトキシシリルエチル)ベンゼン定着剤、及び0.5pphのポリアルコキシポリシロキサンキャリア(Tegorad 2200, Goldschmidt);及び
(4)52重量%のポリエーテルウレタンアクリレートオリゴマー(BR3731, Sartomer Co.)、45重量%のエトキシル化(4)ノニルフェノールアクリレート(Photomer 4003, Cognis Corp.)、3重量%の(2,6-ジメトキシベンゾイル)-2,4,4-トリメチルフェニル-酸化リン(Irgacure 1850, Chiba Specialty)、1pphのチオジエチレンビス(3,5-ジ-ター-ブチル)-4-ヒドロキシヒドロケイ皮酸塩(Irganox 1035, Chiba Specialty)、1pphのビス(トリメトキシシリルエチル)ベンゼン定着剤、及び0.5pphの粘着付与剤(Unitac R-40, Union Camp);
(5)52重量%のポリエーテルウレタンアクリレートオリゴマー(BR3731, Sartomer Co.)、45重量%のエトキシル化ノニルフェノールアクリレート(SR504, Sartomer Co.)、及び3重量%の(2,6-ジメトキシベンゾイル)-2,4,4-トリメチルフェニル-酸化リン(Irgacure 1850, Chiba Specialty);及び
(6)52重量%のウレタンアクリレートオリゴマー(BR3741, Bomar)、41.5重量%のエトキシル化ノニルフェノールアクリレートモノマー(Photomer 4003, Cognis)、5重量%のカプロラクトンアクリレートモノマー(Tone M-100, Dow)、1.5重量%のIrgacure 819光重合開始剤(Chiba)、1pphのチオジエチレンビス(3,5-ジ-ター-ブチル)-4-ヒドロキシヒドロケイ皮酸塩(Irganox 1035, Chiba Specialty)、1pphの3-アクリルオキシプロピルトリメトキシシラン(Gelest)、及び0.032pphのペンタエリトリトールテトラキス(3-メルカプトプロピオネート)(Aldrich);
があるが、これらには限定されない。
(1)40重量%のウレタンアクリレートオリゴマー(CN981, Sartomer Company, Inc.)、17重量%のプロポキシル化(3)グリセリルトリアクリレートモノマー(SR9020, Sartomer Inc.)、25重量%のペンタエリトリトールテトラアクリレート(SR295, Sartomer Inc.)、15重量%のエトキシル化(2)ビスフェノールAジアクリレートモノマー(SR349, Sartomer Inc.)、及び3重量%の1-ヒドロキシシクロヘキシルフェニルケトン/ビス(2,6-ジメトキシベンゾイル)-2,4,4-トリメチルペンチル-酸化リンブレンド(Irgacure 1850, Chiba Specialty Chemical);及び
(2)10重量%のポリエーテルウレタンアクリレート(KWS4131, Bomar)、5重量%のビスフェノールAジグリシジルジアクリレート(Photomer 3016, Cognis)、82重量%のエトキシル化(4)ビスフェノールAジアクリレート(Photomer 4028, Cognis)、1.5重量%のLUCIRIN TPO光重合開始剤(BASF)、1.5重量%の1-ヒドロキシシクロヘキシルフェニルケトン(Irgacure 184, Chiba)、及び0.5pphのチオジエチレン(3,5-ジ-ター-ブチル-4-ヒドロキシ)ヒドロケイ皮酸塩抗酸化剤(Irganox 1035, Chiba Specialty Chemical);
があるが、これらには限定されない。
30 内環状領域
50 凹屈折率環状領域
60 外環状領域
70 二酸化チタンドープ外クラッド領域
200 ガラスクラッド層
Claims (9)
- 多モード光ファイバにおいて、
コア屈折率Δ%,Δ1を有する分布屈折率コアであって、30μmより大きいコア半径を有するコア、
前記コアを囲んでいて、屈折率Δ%,Δ3を有する、凹屈折率クラッド領域であって、Δ3は約−0.1%より小さく、前記凹屈折率クラッド領域は少なくとも1μmの幅を有し、Δ1>Δ3である、凹屈折率クラッド領域
及び
前記凹屈折率クラッド領域を囲んでいる二酸化チタンドープクラッド領域、
を有し、
前記ファイバが120μmより小さい総外径を有し、
前記ファイバが850nmにおいて200MHz-kmより大きい全モード励振伝送帯域を示す、
ことを特徴とする多モード光ファイバ。 - 前記ファイバがガラスからなり、前記二酸化チタンドープクラッド領域が5重量%より多くの量の二酸化チタンを含有することを特徴とする請求項1に記載の多モード光ファイバ。
- 前記凹屈折率クラッド領域が前記コアに直に接し、約−0.2%より小さい屈折率Δ及び少なくとも2μmの幅を有し、前記二酸化チタンドープクラッド領域が1μmと5μmの間の幅を有することを特徴とする請求項2に記載の多モード光ファイバ。
- Δ2を有する内クラッド領域をさらに有し、前記内クラッド領域が前記コアを囲み、前記凹屈折率クラッド領域が前記内クラッド領域を囲み、Δ1>Δ2>Δ3であり、前記内クラッド領域の幅が少なくとも4μmであることを特徴とする請求項2に記載の多モード光ファイバ。
- 前記ファイバが0.24より大きい開口数を示すことを特徴とする請求項1に記載の多モード光ファイバ。
- 多モード光ファイバにおいて、
35μmより大きな半径を有する分布屈折率コア、
凹屈折率環状領域を含む第1の内クラッド層であって、前記凹屈折率環状領域は約−0.2%より小さい屈折率Δ及び少なくとも1μmの幅を有するものである第1の内クラッド層、
及び
前記凹屈折率環状領域を囲んでいる二酸化チタンドープクラッド領域、
を有し、
前記ファイバが、850nmにおいて0.5dB以下の、1×180°ターン3mm径マンドレル巻付け減衰増大及び、850nmにおいて200MHz-kmより大きい、全モード励振伝送帯域を示す、
ことを特徴とする多モード光ファイバ。 - 前記ファイバがガラスからなり、前記二酸化チタンドープクラッド領域が5重量%より多くの量の二酸化チタンを含有することを特徴とする請求項6に記載の多モード光ファイバ。
- 前記ファイバが400kpsi(2.76×109Pa)より大きい15%ワイブル故障確率を示すことを特徴とする請求項6に記載の多モード光ファイバ。
- 30より大きい動的疲労定数をさらに有することを特徴とする請求項6に記載の多モード光ファイバ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30966010P | 2010-03-02 | 2010-03-02 | |
US61/309,660 | 2010-03-02 | ||
PCT/US2011/026420 WO2011109263A1 (en) | 2010-03-02 | 2011-02-28 | High numerical aperture multimode optical fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2013521532A true JP2013521532A (ja) | 2013-06-10 |
Family
ID=43920941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012556124A Pending JP2013521532A (ja) | 2010-03-02 | 2011-02-28 | 大開口数多モード光ファイバ |
Country Status (8)
Country | Link |
---|---|
US (1) | US8385703B2 (ja) |
EP (1) | EP2542926A1 (ja) |
JP (1) | JP2013521532A (ja) |
KR (1) | KR20130037675A (ja) |
CN (1) | CN102782542A (ja) |
BR (1) | BR112012021730A2 (ja) |
RU (1) | RU2012141888A (ja) |
WO (1) | WO2011109263A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012203416A (ja) * | 2011-03-24 | 2012-10-22 | Draka Comteq Bv | 曲げ耐性マルチモード光ファイバ |
JP2013047785A (ja) * | 2011-07-01 | 2013-03-07 | Draka Comteq Bv | 多モード光ファイバ |
JP2014530374A (ja) * | 2011-09-16 | 2014-11-17 | コーニング インコーポレイテッド | モード分割多重化用数モード光ファイバ |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102203647B (zh) * | 2008-09-26 | 2014-04-30 | 康宁股份有限公司 | 高数值孔径多模光纤 |
US9014525B2 (en) | 2009-09-09 | 2015-04-21 | Draka Comteq, B.V. | Trench-assisted multimode optical fiber |
US8385703B2 (en) * | 2010-03-02 | 2013-02-26 | Corning Incorporated | High numerical aperture multimode optical fiber |
US8998502B2 (en) * | 2010-09-03 | 2015-04-07 | Corning Incorporated | Fiber optic connectors and ferrules and methods for using the same |
US8538219B2 (en) * | 2010-10-29 | 2013-09-17 | Corning Incorporated | Large effective area optical fiber with low bend loss |
US8792763B2 (en) * | 2011-03-07 | 2014-07-29 | Corning Incorporated | Bend resistant multimode optical fiber |
EP2506044A1 (en) * | 2011-03-29 | 2012-10-03 | Draka Comteq B.V. | Multimode optical fiber |
EP2518546B1 (en) * | 2011-04-27 | 2018-06-20 | Draka Comteq B.V. | High-bandwidth, radiation-resistant multimode optical fiber |
EP2642322B1 (en) * | 2012-03-23 | 2019-07-10 | Draka Comteq B.V. | Bend-resistant multimode optical fiber |
US9588285B2 (en) | 2012-10-11 | 2017-03-07 | Draka Comteq Bv | High bandwidth multimode optical fiber optimized for multimode and single-mode transmissions |
DE102013202256B3 (de) * | 2013-02-12 | 2014-07-17 | Heraeus Quarzglas Gmbh & Co. Kg | Verfahren zur Herstellung von Titan-dotiertem synthetischen Quarzglas und dessen Verwendung |
CN103217736B (zh) * | 2013-03-12 | 2017-02-08 | 国网江西省电力公司信息通信分公司 | 一种多层光纤 |
US20150226916A1 (en) * | 2014-02-07 | 2015-08-13 | Sumitomo Electric Industries, Ltd. | Multi mode optical fiber |
US9708491B2 (en) | 2014-06-04 | 2017-07-18 | Corning Incorporated | Optical fiber coating and composition |
US9594212B2 (en) * | 2015-03-12 | 2017-03-14 | Corning Incorporated | Multimode optical fibers |
EP3274155B1 (en) * | 2015-03-23 | 2021-06-02 | Dow Global Technologies LLC | Photocurable compositions for three-dimensional printing |
JP2016210651A (ja) * | 2015-05-08 | 2016-12-15 | 住友電気工業株式会社 | 光ファイバ心線 |
KR101732010B1 (ko) * | 2016-08-04 | 2017-05-04 | 한국표준과학연구원 | 매우 낮은 시간지연 온도계수를 가지는 광밴드갭 중공 광섬유 |
EP3529579B1 (en) | 2016-10-21 | 2021-08-25 | Intuitive Surgical Operations, Inc. | Shape sensing with multi-core fiber sensor |
US9989699B2 (en) | 2016-10-27 | 2018-06-05 | Corning Incorporated | Low bend loss single mode optical fiber |
CN106324752B (zh) * | 2016-11-08 | 2019-01-22 | 长飞光纤光缆股份有限公司 | 一种高带宽抗辐射多模光纤 |
CN106772781B (zh) * | 2017-01-12 | 2019-06-21 | 烽火通信科技股份有限公司 | 一种适用于光纤连接器制作的抗弯光纤 |
US10921512B2 (en) | 2017-10-02 | 2021-02-16 | Corning Incorporated | Multi-mode optical fiber and methods for manufacturing the same |
US11243348B2 (en) | 2018-12-12 | 2022-02-08 | Corning Incorporated | High-density optical fiber ribbon with cladding-strengthened glass optical fibers in a common protective coating and fiber ribbon interconnects employing same |
CN111320373B (zh) * | 2018-12-15 | 2023-06-23 | 中天科技精密材料有限公司 | 光纤预制棒以及制备方法 |
US11327223B2 (en) | 2020-04-15 | 2022-05-10 | Corning Incorporated | Multimode optical fiber with increased bandwidth |
US11698483B2 (en) * | 2020-11-30 | 2023-07-11 | Corning Incorporated | Optical fiber with gratings and methods of forming thereof |
CN112711092B (zh) * | 2021-01-15 | 2022-10-11 | 中天科技精密材料有限公司 | 多模光纤 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5521093A (en) * | 1978-07-31 | 1980-02-14 | Corning Glass Works | Wideband gradient refractive index type filament and making preform therefor |
JPS59232302A (ja) * | 1983-06-15 | 1984-12-27 | Sumitomo Electric Ind Ltd | 光伝送用フアイバ |
JPH03187956A (ja) * | 1989-12-18 | 1991-08-15 | Sumitomo Electric Ind Ltd | カーボンコートファイバ |
JPH05297230A (ja) * | 1989-12-22 | 1993-11-12 | Corning Inc | 光導波路ファイバおよびその製造方法 |
JP2006047719A (ja) * | 2004-08-05 | 2006-02-16 | Fujikura Ltd | 低曲げ損失マルチモードファイバ |
WO2008085851A1 (en) * | 2007-01-08 | 2008-07-17 | Corning Incorporated | Bend resistant multimode optical fiber |
WO2009022479A1 (ja) * | 2007-08-13 | 2009-02-19 | The Furukawa Electric Co., Ltd. | 光ファイバおよび光ファイバテープならびに光インターコネクションシステム |
WO2009078962A1 (en) * | 2007-12-13 | 2009-06-25 | Corning Incorporated | Bend resistant multimode optical fiber |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4053679A (en) * | 1975-08-15 | 1977-10-11 | Ppg Industries, Inc. | Chemically strengthened opal glass |
US4055703A (en) * | 1975-08-15 | 1977-10-25 | Ppg Industries, Inc. | Ion exchange strengthened glass containing P2 O5 |
GB2164934B (en) | 1984-09-29 | 1988-10-05 | Stc Plc | Optical fibres |
US4973129A (en) | 1988-08-29 | 1990-11-27 | Nippon Sheet Glass Co., Ltd. | Optical fiber element |
US4962992A (en) | 1989-05-15 | 1990-10-16 | At&T Bell Laboratories | Optical transmission media and methods of making same |
US5104433A (en) | 1989-05-15 | 1992-04-14 | At&T Bell Laboratories | Method of making optical fiber |
US5140665A (en) * | 1989-12-22 | 1992-08-18 | Corning Incorporated | Optical waveguide fiber with titania-silica outer cladding |
DE19616633C1 (de) * | 1996-04-26 | 1997-05-07 | Schott Glaswerke | Chemisch vorspannbare Aluminosilicatgläser und deren Verwendung |
GB2335423A (en) * | 1998-03-20 | 1999-09-22 | Pilkington Plc | Chemically toughenable glass |
US6326416B1 (en) | 1999-04-29 | 2001-12-04 | Corning Incorporated | Coating composition for optical fibers |
WO2001049625A1 (en) | 1999-12-30 | 2001-07-12 | Corning Incorporated | Optical fibers prepared with a primary coating composition including a monomer with a pendant hydroxyl functional group |
US6775451B1 (en) | 1999-12-30 | 2004-08-10 | Corning Incorporated | Secondary coating composition for optical fibers |
AU3789401A (en) | 1999-12-30 | 2001-07-16 | Corning Incorporated | Fast curing primary optical fiber coating |
WO2001049793A1 (en) | 1999-12-30 | 2001-07-12 | Corning Incorporated | Composition containing tackifier and method of modifying time-sensitive rheological properties of optical fiber coating |
US6869981B2 (en) | 2001-09-21 | 2005-03-22 | Corning Incorporated | Optical fiber coatings with pressure sensitive adhesive characteristics |
US6689463B2 (en) | 2001-12-18 | 2004-02-10 | Corning Incorporated | Secondary coating composition for optical fibers |
US6856744B2 (en) * | 2002-02-13 | 2005-02-15 | The Furukawa Electric Co., Ltd. | Optical fiber and optical transmission line and optical communication system including such optical fiber |
CN1220893C (zh) * | 2003-02-28 | 2005-09-28 | 烽火通信科技股份有限公司 | 内包层下凹型多模光纤预制棒 |
US7727917B2 (en) * | 2003-10-24 | 2010-06-01 | Schott Ag | Lithia-alumina-silica containing glass compositions and glasses suitable for chemical tempering and articles made using the chemically tempered glass |
DE10361555A1 (de) * | 2003-12-19 | 2005-07-28 | Grintech Gmbh | Alumoborosilikatglas und Verfahren zur Herstellung kristallitfreier Gradientenindexlinsen |
US7285509B2 (en) * | 2004-01-15 | 2007-10-23 | United States Of America As Represented By The Secretary Of The Navy | Optical transmission of BGG glass material |
US7010206B1 (en) | 2004-09-08 | 2006-03-07 | Corning Incorporated | Coated optical fiber and optical fiber coating system including a fast-gelling primary coating |
US7423105B2 (en) | 2005-09-30 | 2008-09-09 | Corning Incorporated | Fast curing primary optical fiber coatings |
US8093322B2 (en) | 2005-10-27 | 2012-01-10 | Corning Incorporated | Non-reactive additives for fiber coatings |
US7450807B2 (en) * | 2006-08-31 | 2008-11-11 | Corning Incorporated | Low bend loss optical fiber with deep depressed ring |
US7620282B2 (en) * | 2006-08-31 | 2009-11-17 | Corning Incorporated | Low bend loss single mode optical fiber |
WO2008044600A1 (fr) * | 2006-10-04 | 2008-04-17 | The Furukawa Electric Co., Ltd. | Fibre optique et voie de transmission par fibre optique |
US7526169B2 (en) * | 2006-11-29 | 2009-04-28 | Corning Incorporated | Low bend loss quasi-single-mode optical fiber and optical fiber line |
JP4851371B2 (ja) * | 2007-03-12 | 2012-01-11 | 古河電気工業株式会社 | 光ファイバおよび光ファイバ伝送路 |
US7492999B2 (en) * | 2007-03-12 | 2009-02-17 | The Furukawa Electric Co., Ltd. | Optical fiber and optical-fiber transmission line |
WO2008136918A2 (en) * | 2007-05-07 | 2008-11-13 | Corning Incorporated | Large effective area fiber |
DE202009018722U1 (de) * | 2008-02-26 | 2012-11-21 | Corning Inc. | Läutermittel für Silikatgläser |
CN102203647B (zh) * | 2008-09-26 | 2014-04-30 | 康宁股份有限公司 | 高数值孔径多模光纤 |
AU2010213627A1 (en) * | 2009-02-14 | 2011-09-15 | Corning Cable Systems Llc | Multimode fiber optic assemblies |
US8385701B2 (en) * | 2009-09-11 | 2013-02-26 | Corning Incorporated | Low bend loss optical fiber |
US7903918B1 (en) * | 2010-02-22 | 2011-03-08 | Corning Incorporated | Large numerical aperture bend resistant multimode optical fiber |
US8385703B2 (en) * | 2010-03-02 | 2013-02-26 | Corning Incorporated | High numerical aperture multimode optical fiber |
-
2011
- 2011-02-25 US US13/035,341 patent/US8385703B2/en not_active Expired - Fee Related
- 2011-02-28 KR KR1020127025866A patent/KR20130037675A/ko not_active Application Discontinuation
- 2011-02-28 EP EP11706457A patent/EP2542926A1/en not_active Withdrawn
- 2011-02-28 CN CN2011800118578A patent/CN102782542A/zh active Pending
- 2011-02-28 WO PCT/US2011/026420 patent/WO2011109263A1/en active Application Filing
- 2011-02-28 RU RU2012141888/28A patent/RU2012141888A/ru unknown
- 2011-02-28 JP JP2012556124A patent/JP2013521532A/ja active Pending
- 2011-02-28 BR BR112012021730A patent/BR112012021730A2/pt not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5521093A (en) * | 1978-07-31 | 1980-02-14 | Corning Glass Works | Wideband gradient refractive index type filament and making preform therefor |
JPS59232302A (ja) * | 1983-06-15 | 1984-12-27 | Sumitomo Electric Ind Ltd | 光伝送用フアイバ |
JPH03187956A (ja) * | 1989-12-18 | 1991-08-15 | Sumitomo Electric Ind Ltd | カーボンコートファイバ |
JPH05297230A (ja) * | 1989-12-22 | 1993-11-12 | Corning Inc | 光導波路ファイバおよびその製造方法 |
JP2006047719A (ja) * | 2004-08-05 | 2006-02-16 | Fujikura Ltd | 低曲げ損失マルチモードファイバ |
WO2008085851A1 (en) * | 2007-01-08 | 2008-07-17 | Corning Incorporated | Bend resistant multimode optical fiber |
WO2009022479A1 (ja) * | 2007-08-13 | 2009-02-19 | The Furukawa Electric Co., Ltd. | 光ファイバおよび光ファイバテープならびに光インターコネクションシステム |
WO2009078962A1 (en) * | 2007-12-13 | 2009-06-25 | Corning Incorporated | Bend resistant multimode optical fiber |
JP2011507028A (ja) * | 2007-12-13 | 2011-03-03 | コーニング インコーポレイテッド | 耐曲げ性マルチモード光ファイバ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012203416A (ja) * | 2011-03-24 | 2012-10-22 | Draka Comteq Bv | 曲げ耐性マルチモード光ファイバ |
JP2013047785A (ja) * | 2011-07-01 | 2013-03-07 | Draka Comteq Bv | 多モード光ファイバ |
JP2014530374A (ja) * | 2011-09-16 | 2014-11-17 | コーニング インコーポレイテッド | モード分割多重化用数モード光ファイバ |
Also Published As
Publication number | Publication date |
---|---|
CN102782542A (zh) | 2012-11-14 |
KR20130037675A (ko) | 2013-04-16 |
EP2542926A1 (en) | 2013-01-09 |
WO2011109263A1 (en) | 2011-09-09 |
US20110217011A1 (en) | 2011-09-08 |
BR112012021730A2 (pt) | 2017-02-07 |
US8385703B2 (en) | 2013-02-26 |
RU2012141888A (ru) | 2014-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2013521532A (ja) | 大開口数多モード光ファイバ | |
JP5587323B2 (ja) | 高開口数多モード光ファイバ | |
JP6671410B2 (ja) | 低曲げ損失光ファイバ | |
JP5748746B2 (ja) | 曲げに強い多モード光ファイバ | |
US8406592B2 (en) | Bend resistant multimode optical fiber | |
JP5925842B2 (ja) | 拡大実効面積ファイバ | |
CN104169761B (zh) | 低弯曲损耗光纤 | |
CN103827709B (zh) | 低弯曲损耗光纤 | |
JP5132563B2 (ja) | 低曲げ損失光ファイバ | |
EP2312349A1 (en) | Optical fiber and method of manufacturing optical fiber | |
EP2102691A1 (en) | Bend resistant multimode optical fiber | |
US20110088433A1 (en) | Methods For Drawing Multimode Bend Resistant Optical Fiber | |
US20230417984A1 (en) | Compliant optical fiber having updoped outer cladding | |
US20230341619A1 (en) | Compliant optical fiber | |
WO2024122510A1 (ja) | 光ファイバ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140225 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150120 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150121 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20150420 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20151104 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20160204 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20160304 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20160404 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20160628 |