WO1998031018A1 - A polymeric photo-chromic composition - Google Patents
A polymeric photo-chromic composition Download PDFInfo
- Publication number
- WO1998031018A1 WO1998031018A1 PCT/US1997/023206 US9723206W WO9831018A1 WO 1998031018 A1 WO1998031018 A1 WO 1998031018A1 US 9723206 W US9723206 W US 9723206W WO 9831018 A1 WO9831018 A1 WO 9831018A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- photo
- medium material
- recording
- polyester
- electromagnetic radiation
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title description 15
- 239000000463 material Substances 0.000 claims abstract description 40
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 claims abstract description 3
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract 7
- 229920000728 polyester Polymers 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 23
- 230000035945 sensitivity Effects 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 238000006552 photochemical reaction Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 239000008096 xylene Substances 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 229910052711 selenium Inorganic materials 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 27
- 239000010410 layer Substances 0.000 description 21
- 239000006096 absorbing agent Substances 0.000 description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 238000003860 storage Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000005283 ground state Effects 0.000 description 7
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- 230000008859 change Effects 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 238000006862 quantum yield reaction Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229940074411 xylene Drugs 0.000 description 3
- RBGUKBSLNOTVCD-UHFFFAOYSA-N 1-methylanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C RBGUKBSLNOTVCD-UHFFFAOYSA-N 0.000 description 2
- 0 CC1(C)c(cccc2)c2N(*c2ccccc2)C11OC2C(C)=CC(**)=CC2C=C1 Chemical compound CC1(C)c(cccc2)c2N(*c2ccccc2)C11OC2C(C)=CC(**)=CC2C=C1 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
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- 238000000844 transformation Methods 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 101100072702 Drosophila melanogaster defl gene Proteins 0.000 description 1
- 206010034960 Photophobia Diseases 0.000 description 1
- 241001104043 Syringa Species 0.000 description 1
- 235000004338 Syringa vulgaris Nutrition 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000001988 diarylethenes Chemical class 0.000 description 1
- FHHZOYXKOICLGH-UHFFFAOYSA-N dichloromethane;ethanol Chemical compound CCO.ClCCl FHHZOYXKOICLGH-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- LSEFCHWGJNHZNT-UHFFFAOYSA-M methyl(triphenyl)phosphanium;bromide Chemical compound [Br-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(C)C1=CC=CC=C1 LSEFCHWGJNHZNT-UHFFFAOYSA-M 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000886 photobiology Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00455—Recording involving reflectivity, absorption or colour changes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
- G11B7/245—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
- G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
- G11B7/247—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes
- G11B7/2475—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes merocyanine
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0009—RRAM elements whose operation depends upon chemical change
- G11C13/0014—RRAM elements whose operation depends upon chemical change comprising cells based on organic memory material
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/0002—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using resistive RAM [RRAM] elements
- G11C13/0009—RRAM elements whose operation depends upon chemical change
- G11C13/0014—RRAM elements whose operation depends upon chemical change comprising cells based on organic memory material
- G11C13/0016—RRAM elements whose operation depends upon chemical change comprising cells based on organic memory material comprising polymers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H2001/026—Recording materials or recording processes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H2001/026—Recording materials or recording processes
- G03H2001/0264—Organic recording material
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2260/00—Recording materials or recording processes
- G03H2260/50—Reactivity or recording processes
- G03H2260/52—Photochromic reactivity wherein light induces a reversible transformation between two states having different absorption spectra
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
- G11B7/0052—Reproducing involving reflectivity, absorption or colour changes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0055—Erasing
- G11B7/00552—Erasing involving colour change media
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53089398A JP2001508221A (en) | 1997-01-06 | 1997-12-15 | Polymer photochromic composition |
AU56065/98A AU5606598A (en) | 1997-01-06 | 1997-12-15 | A polymeric photo-chromic composition |
EP97952469A EP0965131A1 (en) | 1997-01-06 | 1997-12-15 | A polymeric photo-chromic composition |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3454497P | 1997-01-06 | 1997-01-06 | |
US60/034,544 | 1997-01-06 | ||
US08/989,460 US5936878A (en) | 1997-01-06 | 1997-12-12 | Polymeric photo-chromic composition |
US08/989,460 | 1997-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998031018A1 true WO1998031018A1 (en) | 1998-07-16 |
Family
ID=26711101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/023206 WO1998031018A1 (en) | 1997-01-06 | 1997-12-15 | A polymeric photo-chromic composition |
Country Status (5)
Country | Link |
---|---|
US (1) | US5936878A (en) |
EP (1) | EP0965131A1 (en) |
JP (1) | JP2001508221A (en) |
AU (1) | AU5606598A (en) |
WO (1) | WO1998031018A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001073779A2 (en) * | 2000-03-28 | 2001-10-04 | Mempile Inc. | Three-dimensional optical memory |
US6338935B1 (en) | 1999-03-16 | 2002-01-15 | Tridstore Ip Llc | Multi-layer optical information carriers with fluorescent reading/recording and method for their production |
WO2002047090A1 (en) * | 2000-12-08 | 2002-06-13 | Swinburne University Of Technology | Data storage |
WO2003009282A1 (en) * | 2001-07-19 | 2003-01-30 | Ut-Battelle, Llc | Surface-enhanced raman optical data storage (serods) with parallel signal transfer |
US7539115B2 (en) | 2003-04-13 | 2009-05-26 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Creating a permanent structure with high spatial resolution |
US8207330B2 (en) | 2008-08-26 | 2012-06-26 | Ricoh Company, Ltd. | Two-photon absorption material and application thereof |
US9275671B2 (en) | 2011-06-09 | 2016-03-01 | Case Western Reserve University | Optical information storage medium |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6500510B1 (en) | 1999-11-04 | 2002-12-31 | Molecular Storage Technologies, Inc. | Molecular level optical information storage devices |
EP1130585B1 (en) * | 2000-02-28 | 2011-12-21 | FUJIFILM Corporation | Recording medium and information recording and reproducing method using the same |
US6638593B2 (en) | 2000-06-30 | 2003-10-28 | Verification Technologies, Inc. | Copy-protected optical media and method of manufacture thereof |
US20050063256A1 (en) * | 2000-06-30 | 2005-03-24 | Selinfreund Richard H. | Data storage in optical discs |
WO2002002301A1 (en) | 2000-06-30 | 2002-01-10 | Verification Technologies Inc. | Copy-protected optical media and method of manufacture thereof |
US6697315B1 (en) | 2000-07-27 | 2004-02-24 | Polytris Ltd. | Medium, system and method for optical recording |
US7660415B2 (en) | 2000-08-03 | 2010-02-09 | Selinfreund Richard H | Method and apparatus for controlling access to storage media |
KR100466545B1 (en) | 2002-02-19 | 2005-01-15 | 한국전자통신연구원 | Method for manufacturing polymer nano particle |
JP4183950B2 (en) * | 2002-02-21 | 2008-11-19 | 隆史 加藤 | Photoresponsive liquid crystal composition, information recording medium, and information recording method |
US7771915B2 (en) | 2003-06-27 | 2010-08-10 | Fujifilm Corporation | Two-photon absorbing optical recording material and two-photon absorbing optical recording and reproducing method |
JP4411153B2 (en) * | 2003-07-18 | 2010-02-10 | 富士フイルム株式会社 | Two-photon absorption dye decoloring material, three-dimensional refractive index modulation material, three-dimensional absorption modulation material, and three-dimensional optical recording material |
JP4436737B2 (en) | 2004-09-10 | 2010-03-24 | 富士フイルム株式会社 | Two-photon absorption decoloring material, two-photon absorption refractive index modulation material, two-photon absorption polymerization material, two-photon absorption polymerization method, and three-dimensional optical recording material |
RU2345997C2 (en) * | 2004-09-24 | 2009-02-10 | Самсунг Электроникс Ко., Лтд. | Photochromic polymers for three dimensional optical random access memory |
US20070054590A1 (en) * | 2005-08-24 | 2007-03-08 | Schmidt Christopher B | Photo-chromic toys |
US7547109B2 (en) | 2005-09-02 | 2009-06-16 | Shoot The Moon Products Ii, Llc | Photo-chromic material application apparatus |
US8684784B2 (en) * | 2005-11-23 | 2014-04-01 | Shoot The Moon Products Ii, Llc | Photo-chromic and phosphorescent toys |
JP5026695B2 (en) * | 2005-12-07 | 2012-09-12 | 富士フイルム株式会社 | Light-driven actuator, method for manufacturing light-driven actuator, condensation polymer, and film |
JP5026706B2 (en) * | 2006-01-27 | 2012-09-19 | 富士フイルム株式会社 | Optically driven actuator and manufacturing method thereof |
JP5157284B2 (en) | 2007-06-28 | 2013-03-06 | 株式会社リコー | Photosensitized composite material and three-dimensional memory material and recording medium, light limiting material and element, photocurable material and stereolithography system, fluorescent material and apparatus for multiphoton fluorescence microscope |
US8951091B2 (en) | 2011-04-06 | 2015-02-10 | Mattel, Inc. | Toy vehicle playset and color changing toy vehicle |
Citations (1)
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US3119099A (en) * | 1960-02-08 | 1964-01-21 | Wells Gardner Electronics | Molecular storage unit |
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JPS5417877B2 (en) * | 1972-07-28 | 1979-07-03 | ||
US4026869A (en) * | 1972-08-24 | 1977-05-31 | Agfa-Gevaert, N.V. | Photochromic polycondensates |
GB1441255A (en) * | 1972-08-24 | 1976-06-30 | Agfa Gevaert Ag | Photochromic polyesters |
US4288861A (en) * | 1977-12-01 | 1981-09-08 | Formigraphic Engine Corporation | Three-dimensional systems |
US4864536A (en) * | 1986-06-05 | 1989-09-05 | Quantex Corporation | Optical memory system and method of using the same |
US5019476A (en) * | 1988-11-16 | 1991-05-28 | Olympus Optical Co., Ltd. | Optical recording medium |
US5268862A (en) * | 1989-04-25 | 1993-12-07 | The Regents Of The Unversity Of California | Three-dimensional optical memory |
US5325324A (en) * | 1989-04-25 | 1994-06-28 | Regents Of The University Of California | Three-dimensional optical memory |
US5113387A (en) * | 1989-12-12 | 1992-05-12 | Optex Corporation | Three laser optical disk drive system |
EP0438376B1 (en) * | 1990-01-18 | 1994-01-26 | Ciba-Geigy Ag | Photochromic naphthacenchinones, process for their production and their use |
EP0489689B1 (en) * | 1990-12-05 | 1995-03-01 | Ciba-Geigy Ag | Photochromic naphthacenequinones, process for their production and their use |
JPH0528498A (en) * | 1991-07-19 | 1993-02-05 | Ricoh Co Ltd | Photoirradiation method and optical information recording medium and recording method and reproducing method using this medium |
US5289407A (en) * | 1991-07-22 | 1994-02-22 | Cornell Research Foundation, Inc. | Method for three dimensional optical data storage and retrieval |
-
1997
- 1997-12-12 US US08/989,460 patent/US5936878A/en not_active Expired - Fee Related
- 1997-12-15 JP JP53089398A patent/JP2001508221A/en not_active Ceased
- 1997-12-15 EP EP97952469A patent/EP0965131A1/en not_active Withdrawn
- 1997-12-15 WO PCT/US1997/023206 patent/WO1998031018A1/en not_active Application Discontinuation
- 1997-12-15 AU AU56065/98A patent/AU5606598A/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119099A (en) * | 1960-02-08 | 1964-01-21 | Wells Gardner Electronics | Molecular storage unit |
Non-Patent Citations (1)
Title |
---|
See also references of EP0965131A4 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6338935B1 (en) | 1999-03-16 | 2002-01-15 | Tridstore Ip Llc | Multi-layer optical information carriers with fluorescent reading/recording and method for their production |
WO2001073779A2 (en) * | 2000-03-28 | 2001-10-04 | Mempile Inc. | Three-dimensional optical memory |
WO2001073779A3 (en) * | 2000-03-28 | 2002-02-07 | Mempile Inc | Three-dimensional optical memory |
US7011925B2 (en) | 2000-03-28 | 2006-03-14 | Mempile Inc. | Three-dimensional optical memory |
WO2002047090A1 (en) * | 2000-12-08 | 2002-06-13 | Swinburne University Of Technology | Data storage |
WO2003009282A1 (en) * | 2001-07-19 | 2003-01-30 | Ut-Battelle, Llc | Surface-enhanced raman optical data storage (serods) with parallel signal transfer |
US7539115B2 (en) | 2003-04-13 | 2009-05-26 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Creating a permanent structure with high spatial resolution |
US8207330B2 (en) | 2008-08-26 | 2012-06-26 | Ricoh Company, Ltd. | Two-photon absorption material and application thereof |
US9275671B2 (en) | 2011-06-09 | 2016-03-01 | Case Western Reserve University | Optical information storage medium |
Also Published As
Publication number | Publication date |
---|---|
AU5606598A (en) | 1998-08-03 |
JP2001508221A (en) | 2001-06-19 |
EP0965131A1 (en) | 1999-12-22 |
EP0965131A4 (en) | 1999-12-22 |
US5936878A (en) | 1999-08-10 |
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