CA2014698C - Systeme d'enregistrement et de lecture - Google Patents

Systeme d'enregistrement et de lecture

Info

Publication number: CA2014698C
Authority: CA; Canada
Prior art keywords: record part; memory layer; memory; reproduction; layer
Prior art date: 1987-12-18
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.): Expired - Fee Related

Application number

CA002014698A

Other languages

English (en)

Inventor

Kazuo Yoshinaga

Katsuya Oikawa

Toshikazu Ohnishi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canon Inc

Original Assignee

Canon Inc

Priority date (The priority date 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 date listed.)

1987-12-18

Filing date

1990-04-17

Publication date

1994-12-06

1987-12-18 Priority to JP62318928A priority Critical patent/JP2515566B2/ja

1990-04-17 Application filed by Canon Inc filed Critical Canon Inc

1990-04-17 Priority to CA002014698A priority patent/CA2014698C/fr

1994-12-06 Application granted granted Critical

1994-12-06 Publication of CA2014698C publication Critical patent/CA2014698C/fr

2010-04-17 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 claims abstract description 34
239000005264 High molar mass liquid crystal Substances 0.000 claims abstract description 30
239000000758 substrate Substances 0.000 claims abstract description 16
230000001427 coherent effect Effects 0.000 claims abstract description 5
238000009826 distribution Methods 0.000 claims description 5
238000000034 method Methods 0.000 claims description 5
230000009477 glass transition Effects 0.000 claims description 4
230000001678 irradiating effect Effects 0.000 claims 6
125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 10
239000004990 Smectic liquid crystal Substances 0.000 description 5
239000000975 dye Substances 0.000 description 5
238000004528 spin coating Methods 0.000 description 5
230000007704 transition Effects 0.000 description 5
230000000694 effects Effects 0.000 description 4
230000005684 electric field Effects 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
229920000642 polymer Polymers 0.000 description 4
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
230000003098 cholesteric effect Effects 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
239000004973 liquid crystal related substance Substances 0.000 description 3
239000002184 metal Substances 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000000203 mixture Substances 0.000 description 3
238000007740 vapor deposition Methods 0.000 description 3
SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
239000004642 Polyimide Substances 0.000 description 2
239000006087 Silane Coupling Agent Substances 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
230000008859 change Effects 0.000 description 2
239000013078 crystal Substances 0.000 description 2
238000001514 detection method Methods 0.000 description 2
239000011521 glass Substances 0.000 description 2
229920001721 polyimide Polymers 0.000 description 2
239000004065 semiconductor Substances 0.000 description 2
MHXFWEJMQVIWDH-UHFFFAOYSA-N 1-amino-4-hydroxy-2-phenoxyanthracene-9,10-dione Chemical compound C1=C(O)C=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C1OC1=CC=CC=C1 MHXFWEJMQVIWDH-UHFFFAOYSA-N 0.000 description 1
IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
VGKYEIFFSOPYEW-UHFFFAOYSA-N 2-methyl-4-[(4-phenyldiazenylphenyl)diazenyl]phenol Chemical compound Cc1cc(ccc1O)N=Nc1ccc(cc1)N=Nc1ccccc1 VGKYEIFFSOPYEW-UHFFFAOYSA-N 0.000 description 1
AVERNFJXXRIVQN-XSDYUOFFSA-N 5-[(4-ethoxyphenyl)diazenyl]-2-[(e)-2-[4-[(4-ethoxyphenyl)diazenyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound C1=CC(OCC)=CC=C1N=NC(C=C1S(O)(=O)=O)=CC=C1\C=C\C1=CC=C(N=NC=2C=CC(OCC)=CC=2)C=C1S(O)(=O)=O AVERNFJXXRIVQN-XSDYUOFFSA-N 0.000 description 1
239000004985 Discotic Liquid Crystal Substance Substances 0.000 description 1
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
239000004962 Polyamide-imide Substances 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
UFUQRRYHIHJMPB-DUCFOALUSA-L Sirius red 4B Chemical compound [Na+].[Na+].OS(=O)(=O)c1cc2cc(NC(=O)c3ccccc3)ccc2c([O-])c1\N=N\c1ccc(cc1)\N=N\c1ccc(cc1)S([O-])(=O)=O UFUQRRYHIHJMPB-DUCFOALUSA-L 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
BPHHNXJPFPEJOF-UHFFFAOYSA-J chembl296966 Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC(S([O-])(=O)=O)=C(N)C2=C(O)C(N=NC3=CC=C(C=C3OC)C=3C=C(C(=CC=3)N=NC=3C(=C4C(N)=C(C=C(C4=CC=3)S([O-])(=O)=O)S([O-])(=O)=O)O)OC)=CC=C21 BPHHNXJPFPEJOF-UHFFFAOYSA-J 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
239000003086 colorant Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
JWTNYFWHDZSFKD-UHFFFAOYSA-G dicopper trisodium 7-[[4-[4-[(6-anilino-1-oxido-3-sulfonatonaphthalen-2-yl)diazenyl]-3-oxidophenyl]-2-oxidophenyl]diazenyl]-8-oxidonaphthalene-1,6-disulfonate Chemical compound C1=CC=C(C=C1)NC2=CC3=CC(=C(C(=C3C=C2)[O-])N=NC4=C(C=C(C=C4)C5=CC(=C(C=C5)N=NC6=C(C=C7C=CC=C(C7=C6[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])[O-])[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Cu+2].[Cu+2] JWTNYFWHDZSFKD-UHFFFAOYSA-G 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
PBOIUUROGJVVNC-UHFFFAOYSA-L disodium 2-hydroxy-5-[[4-[[2-methoxy-4-[(3-sulfonatophenyl)diazenyl]phenyl]carbamoylamino]phenyl]diazenyl]benzoate Chemical compound [Na+].[Na+].COc1cc(ccc1NC(=O)Nc1ccc(cc1)N=Nc1ccc(O)c(c1)C([O-])=O)N=Nc1cccc(c1)S([O-])(=O)=O PBOIUUROGJVVNC-UHFFFAOYSA-L 0.000 description 1
SLBQSDSILYKYBX-UHFFFAOYSA-L disodium 6-amino-2-[[4-[4-[(6-amino-1-oxido-3-sulfonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-3-sulfonaphthalen-1-olate Chemical compound C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C=C4C=C(C=CC4=C3[O-])N)S(=O)(=O)O)N=NC5=C(C=C6C=C(C=CC6=C5[O-])N)S(=O)(=O)O.[Na+].[Na+] SLBQSDSILYKYBX-UHFFFAOYSA-L 0.000 description 1
PHBXSOKXCTZJBO-UHFFFAOYSA-L disodium 7-amino-4-hydroxy-3-[[4-[4-[(1-hydroxy-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].COc1cc(ccc1N=Nc1cc(c2ccccc2c1O)S([O-])(=O)=O)-c1ccc(N=Nc2c(O)c3ccc(N)cc3cc2S([O-])(=O)=O)c(OC)c1 PHBXSOKXCTZJBO-UHFFFAOYSA-L 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000012210 heat-resistant fiber Substances 0.000 description 1
238000005286 illumination Methods 0.000 description 1
229910010272 inorganic material Inorganic materials 0.000 description 1
239000011147 inorganic material Substances 0.000 description 1
229940067606 lecithin Drugs 0.000 description 1
235000010445 lecithin Nutrition 0.000 description 1
239000000787 lecithin Substances 0.000 description 1
230000005291 magnetic effect Effects 0.000 description 1
GVKCHTBDSMQENH-UHFFFAOYSA-L phloxine B Chemical compound [Na+].[Na+].[O-]C(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C([O-])=C(Br)C=C21 GVKCHTBDSMQENH-UHFFFAOYSA-L 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
230000010287 polarization Effects 0.000 description 1
229920005575 poly(amic acid) Polymers 0.000 description 1
-1 poly(vinylidene fluoride-trifluoroethylene) copolymer Polymers 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920002312 polyamide-imide Polymers 0.000 description 1
229920006254 polymer film Polymers 0.000 description 1
229920001296 polysiloxane Polymers 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
229920000131 polyvinylidene Polymers 0.000 description 1
230000008569 process Effects 0.000 description 1
238000002310 reflectometry Methods 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000010979 ruby Substances 0.000 description 1
229910001750 ruby Inorganic materials 0.000 description 1
238000010008 shearing Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
229910052709 silver Inorganic materials 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000004544 sputter deposition Methods 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
OLSOUGWNONTDCK-UHFFFAOYSA-J tetrasodium 5-amino-3-[[4-[4-[(8-amino-1-hydroxy-3,6-disulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].C1=C(S([O-])(=O)=O)C=C2C=C(S([O-])(=O)=O)C(N=NC3=CC=C(C=C3OC)C=3C=C(C(=CC=3)N=NC=3C(=CC4=CC(=CC(N)=C4C=3O)S([O-])(=O)=O)S([O-])(=O)=O)OC)=C(O)C2=C1N OLSOUGWNONTDCK-UHFFFAOYSA-J 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1

Classifications

- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- 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
- 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
- G11B7/00555—Erasing involving liquid crystal media
- 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
- 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
- G11B7/25—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 liquid crystals
- 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
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Optical Record Carriers And Manufacture Thereof (AREA)
Credit Cards Or The Like (AREA)
Liquid Crystal (AREA)
Thermal Transfer Or Thermal Recording In General (AREA)

CA002014698A 1987-12-18 1990-04-17 Systeme d'enregistrement et de lecture Expired - Fee Related CA2014698C (fr)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
JP62318928A JP2515566B2 (ja)	1987-12-18	1987-12-18	記憶媒体
CA002014698A CA2014698C (fr)	1987-12-18	1990-04-17	Systeme d'enregistrement et de lecture

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP62318928A JP2515566B2 (ja)	1987-12-18	1987-12-18	記憶媒体
CA002014698A CA2014698C (fr)	1987-12-18	1990-04-17	Systeme d'enregistrement et de lecture

Publications (1)

Publication Number	Publication Date
CA2014698C true CA2014698C (fr)	1994-12-06

Family

ID=25674071

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002014698A Expired - Fee Related CA2014698C (fr)	1987-12-18	1990-04-17	Systeme d'enregistrement et de lecture

Country Status (2)

Country	Link
JP (1)	JP2515566B2 (fr)
CA (1)	CA2014698C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5339306A (en) *	1990-04-26	1994-08-16	Canon Kabushiki Kaisha	Detecting interferential diffraction of a reflected beam from a polymer liquid crystal recording medium
JP2630044B2 (ja) *	1990-07-17	1997-07-16	凸版印刷株式会社	可逆性感熱記録媒体およびその製造方法
JP2630045B2 (ja) *	1990-09-21	1997-07-16	凸版印刷株式会社	可逆性感熱記録媒体およびその製造方法
JPH04135783A (ja) *	1990-09-27	1992-05-11	Toppan Printing Co Ltd	可逆性感熱記録媒体
JPH04221934A (ja) *	1990-12-25	1992-08-12	Alps Electric Co Ltd	液晶素子

1987
- 1987-12-18 JP JP62318928A patent/JP2515566B2/ja not_active Expired - Fee Related
1990
- 1990-04-17 CA CA002014698A patent/CA2014698C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JP2515566B2 (ja)	1996-07-10
JPH01162245A (ja)	1989-06-26

Legal Events

Date	Code	Title	Description
1990-07-23	EEER	Examination request
2006-04-18	MKLA	Lapsed

Publication	Publication Date	Title
EP0306925B1 (fr)	1993-02-10	Procédé et appareil d'enregistrement
US5339306A (en)	1994-08-16	Detecting interferential diffraction of a reflected beam from a polymer liquid crystal recording medium
US5644416A (en)	1997-07-01	Light modulation device and method of light modulation using the same
EP1063645B1 (fr)	2010-11-10	Support d'enregistrement optique
EP0194747A2 (fr)	1986-09-17	Stockage optique de l'information basé sur des colorants polymériques
JPH0643148B2 (ja)	1994-06-08	光学的記録媒体
US5097463A (en)	1992-03-17	Laser-optical writing and reading process using a thermally alterable reading layer containing liquid-crystalline compound
JP2001201634A (ja)	2001-07-27	高分子膜に光学異方性を付与する方法、そのための装置および光学異方性媒体
CA2014698C (fr)	1994-12-06	Systeme d'enregistrement et de lecture
US4946261A (en)	1990-08-07	Recording method and recording apparatus
Sabi et al.	2001	Photoaddressable polymers for rewritable optical disc systems
JPH04228132A (ja)	1992-08-18	情報記憶媒体および該媒体を用いた記録・保持方法
CA1155548A (fr)	1983-10-18	Support d'enregistrement optique et methode de fabrication
JP3141299B2 (ja)	2001-03-05	記録方法及び記録装置
JP3080454B2 (ja)	2000-08-28	カード型光記録媒体およびその製造方法
JP3882458B2 (ja)	2007-02-14	光記録方法、光記録媒体および光記録装置
KR940006131B1 (ko)	1994-07-06	정보 기록 매체로서 액정 고분자를 이용한 가역적 광학적 정보 저장 방법
Minabe et al.	2006	Reversible control of thermally enhanced birefringence in semicrystalline azo polymer films with polarized light
JP2696696B2 (ja)	1998-01-14	情報記録媒体
KR20050012287A (ko)	2005-01-31	광학 데이터 저장장치
JP3030425B2 (ja)	2000-04-10	記録方法及び記録装置
KR100317294B1 (ko)	2002-01-18	정보 저장용 고분자 화합물, 그것이 코팅된 박막, 상기 박막을 이용한 정보 저장 장치 및 그 방법
JP2696697B2 (ja)	1998-01-14	情報記録媒体
JPH01294791A (ja)	1989-11-28	情報記録媒体
JP3991551B2 (ja)	2007-10-17	光記録方法および光記録装置