JPH0229386A - Optical information recording medium - Google Patents
Optical information recording mediumInfo
- Publication number
- JPH0229386A JPH0229386A JP63179660A JP17966088A JPH0229386A JP H0229386 A JPH0229386 A JP H0229386A JP 63179660 A JP63179660 A JP 63179660A JP 17966088 A JP17966088 A JP 17966088A JP H0229386 A JPH0229386 A JP H0229386A
- Authority
- JP
- Japan
- Prior art keywords
- recording layer
- recording medium
- layer
- optical information
- compound represented
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 46
- 150000001875 compounds Chemical class 0.000 claims abstract description 33
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 125000003118 aryl group Chemical group 0.000 claims abstract description 6
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims abstract description 3
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 3
- 125000003277 amino group Chemical group 0.000 claims abstract description 3
- 150000001450 anions Chemical class 0.000 claims abstract description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims abstract description 3
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 3
- 150000002367 halogens Chemical class 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract description 4
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 239000002075 main ingredient Substances 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- LRFVTYWOQMYALW-UHFFFAOYSA-N 9H-xanthine Chemical compound O=C1NC(=O)NC2=C1NC=N2 LRFVTYWOQMYALW-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- QGKMIGUHVLGJBR-UHFFFAOYSA-M (4z)-1-(3-methylbutyl)-4-[[1-(3-methylbutyl)quinolin-1-ium-4-yl]methylidene]quinoline;iodide Chemical compound [I-].C12=CC=CC=C2N(CCC(C)C)C=CC1=CC1=CC=[N+](CCC(C)C)C2=CC=CC=C12 QGKMIGUHVLGJBR-UHFFFAOYSA-M 0.000 description 2
- CUFNKYGDVFVPHO-UHFFFAOYSA-N azulene Chemical compound C1=CC=CC2=CC=CC2=C1 CUFNKYGDVFVPHO-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 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 description 2
- 238000000034 method Methods 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- -1 tetrahydrocholine Chemical compound 0.000 description 2
- 229940075420 xanthine Drugs 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- PPSZHCXTGRHULJ-UHFFFAOYSA-N dioxazine Chemical compound O1ON=CC=C1 PPSZHCXTGRHULJ-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000019239 indanthrene blue RS Nutrition 0.000 description 1
- UHOKSCJSTAHBSO-UHFFFAOYSA-N indanthrone blue Chemical compound C1=CC=C2C(=O)C3=CC=C4NC5=C6C(=O)C7=CC=CC=C7C(=O)C6=CC=C5NC4=C3C(=O)C2=C1 UHOKSCJSTAHBSO-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910021432 inorganic complex Inorganic materials 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- WVIICGIFSIBFOG-UHFFFAOYSA-N pyrylium Chemical compound C1=CC=[O+]C=C1 WVIICGIFSIBFOG-UHFFFAOYSA-N 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc 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
- G11B7/246—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
-
- 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
- G11B2007/24612—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 two or more dyes in one layer
-
- 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
-
- 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
- G11B7/248—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 porphines; azaporphines, e.g. phthalocyanines
-
- 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
- G11B7/253—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 substrates
- G11B7/2531—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 substrates comprising glass
-
- 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
- G11B7/253—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 substrates
- G11B7/2532—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 substrates comprising metals
-
- 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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
-
- 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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
- G11B7/2535—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 substrates comprising resins polyesters, e.g. PET, PETG or PEN
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は光記録分野に使用することのできる改善された
光情報記録媒体に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improved optical information recording medium that can be used in the optical recording field.
〔従来の技術及び発明が解決しようとする課題〕これま
で、光情報記録媒体として基板上に低融点金属または低
融点金属と誘電体とからなる記録層を設けたものなどが
提案されているが、これらは保存性が悪い１分解能が低
い、記録密度が低い。[Prior art and problems to be solved by the invention] Until now, optical information recording media have been proposed in which a recording layer made of a low melting point metal or a low melting point metal and a dielectric is provided on a substrate. , these have poor storage stability, low resolution, and low recording density.
製造条件が難しくコスト高になるなどの欠点を有する。It has drawbacks such as difficult manufacturing conditions and high costs.
そこで、最近になって記録層として金属薄膜に代えて有
機色素薄膜を使用することが提案されている。この有機
色素薄膜は融点、分解温度が低く、熱伝導率も低いので
高感度、高密度化の可能性があること、また膜形成がコ
ーティングにより可能なため量産性が高く、低コスト化
が期待できるなどの利点がある。Therefore, it has recently been proposed to use an organic dye thin film as the recording layer in place of the metal thin film. This organic dye thin film has a low melting point, low decomposition temperature, and low thermal conductivity, so it has the potential for high sensitivity and high density, and because film formation can be done by coating, it is highly mass-producible and expected to be low cost. There are advantages such as being able to
従来、前記有機色素被膜として、シアニン色素やメロシ
アニン色素等のポリメチン化合物の被膜を用いることは
知られている。しかし、このような色素で構成された記
録層は、熱及び光安定性に劣り、保存性に難点がある上
、再生劣化しやすいという欠点がある
本発明は、熱及び光安定性にすぐれ、再生劣化の改善さ
れた記録層を有する光情報記録媒体を提供することを目
的とする。Conventionally, it has been known to use a film of a polymethine compound such as a cyanine dye or a merocyanine dye as the organic dye film. However, recording layers composed of such dyes have poor heat and light stability, have problems with storage stability, and are susceptible to playback deterioration.The present invention has excellent heat and light stability, An object of the present invention is to provide an optical information recording medium having a recording layer with improved reproduction deterioration.
上記目的は、光情報記録媒体における記録層中に下記一
般式〇）で表わされる化合物を含有させることにより達
成される。The above object is achieved by incorporating a compound represented by the following general formula (0) into the recording layer of an optical information recording medium.
一般式（１）：
（上記式中、Ｒ，、Ｒ，、Ｒ，、Ｒ，はアルキル基、ア
ラルキル基、アルコキシ基、アミノ基、アリール基、ア
ルケニル基、ハロゲン等に置換されていてもよく他の芳
香族環と縮合されていてもよい、Ａは酸アニオンを表わ
し、ｎは２又は３である。）本発明の光情報記録媒体は
、基本的には基板上に前記一般式（１）で表わされる化
合物を主成分とする記録層を設けることにより構成され
るが、必要に応じて基板と記録層との間に下引き層をあ
るいは記録層の上に保護層を設けることができる。General formula (1): (In the above formula, R,, R,, R,, R, may be substituted with an alkyl group, an aralkyl group, an alkoxy group, an amino group, an aryl group, an alkenyl group, a halogen, etc. A represents an acid anion, and n is 2 or 3, which may be fused with another aromatic ring.) The optical information recording medium of the present invention basically has the general formula (1) on a substrate. ), but if necessary, an undercoat layer may be provided between the substrate and the recording layer, or a protective layer may be provided on the recording layer. .
また、このようにして構成された一対の記録媒体を記録
層を内側にして他の基板と空間を介して密封したエアー
サンドイッチ構造にしてもよくあるいは保護層を介して
接着した密着サンドインチ（貼合せ）構造にしてもよい
。Alternatively, the pair of recording media constructed in this way may be formed into an air sandwich structure in which the recording layer is placed inside and sealed with another substrate through a space, or a close-contact sandwich structure in which they are bonded via a protective layer may be used. combination) structure.
次に、本発明の光情報記録媒体を構成する材料および各
層の必要特性について具体的に説明する。Next, the materials constituting the optical information recording medium of the present invention and the necessary characteristics of each layer will be specifically explained.
（Ｌ）基板
基板の必要特性としては基板側より記録再生を行う場合
のみ使用レーザー光に対して透明でなければならず、記
録側から行う場合は透明である必要はない、基板材料と
しては例えばポリエステル、アクリル樹脂、ポリアミド
、ポリカーボネート樹脂、ポリオレフィン樹脂、フェノ
ール樹脂、エポキシ樹脂、ポリイミドなどのプラスチッ
ク、ガラス、セラミックあるいは金属などを用いること
ができる。(L) Substrate The required characteristics of the substrate are that it must be transparent to the laser beam used only when recording and reproducing is performed from the substrate side, and it does not need to be transparent when recording and reproducing is performed from the recording side. Plastics such as polyester, acrylic resin, polyamide, polycarbonate resin, polyolefin resin, phenol resin, epoxy resin, polyimide, glass, ceramic, or metal can be used.
なお、基板の表面にはアドレス信号などのプレフォーマ
ットや案内溝のプレグルーブが形成されていてもよい。Note that a preformat such as an address signal or a pregroove for a guide groove may be formed on the surface of the substrate.
（２）記録層
記録層はレーザー光の照射により何らかの光学的変化を
生じさせその変化により情報を記録できるもので、その
主成分が前記一般式で表わされる化合物からなっている
。(2) Recording layer The recording layer is capable of recording information by causing some kind of optical change by irradiation with laser light, and the main component thereof is a compound represented by the above general formula.
本発明の記録媒体における記録層には、記録特性及び安
定性向上のために、必要に応じ、他の染料５例えば、フ
タロシアニン系、テトラヒドロコリン系、ジオキサジン
系、トリフエッチアジン系、フェナンスレン系、シアニ
ン（メロシアニン）系。In order to improve recording characteristics and stability, the recording layer of the recording medium of the present invention may contain other dyes (5), for example, phthalocyanine, tetrahydrocholine, dioxazine, triphetchazine, phenanthrene, cyanine, etc., as necessary. (merocyanine) series.
アントラキノン（インダンスレン）系、キサンチン系、
トリフェニルメタン系、クロコニウム系、ピリリウム系
、スクアリリウム系、トリフェニルアミン系、アズレン
系染料や、金属又は金属化合物、例えば、 Ｉｎ、 Ｓ
ｎ、 Ｔｅ、 Ｂｉ、Ａ Ｑ 、Ｓｅ、 Ｔｅａ、、５
ｎＯ１＾ｓ、 Ｃｄ等を混合分散させてもよく、また積
層してもよい。anthraquinone (indanthrene), xanthine,
Triphenylmethane-based, croconium-based, pyrylium-based, squarylium-based, triphenylamine-based, azulene-based dyes, metals or metal compounds, such as In, S
n, Te, Bi, AQ, Se, Tea,, 5
nO1^s, Cd, etc. may be mixed and dispersed, or may be laminated.
また記録層には、高分子材料、あるいは前記−般式（Ｉ
）で表わされる化合物より長波長域に吸収。In addition, the recording layer may be made of a polymer material or the above-mentioned general formula (I
) absorbs in a longer wavelength range than the compound represented by.
能を有する有機化合物（アミニウム、イモニウム、ジイ
モニウム系化合物等）又は無機錯体化合物（ビスジチオ
ジケトン系、ビスフエニルジチオール系錯体等）などの
低分子化合物を混合分散させてもよい。さらに記録層に
は、その他、保存安定剤（金属錯体、フェノール系化合
物）、分散剤、難燃剤、滑剤、可塑剤等を含有させるこ
とができる。Low molecular weight compounds such as organic compounds (aminium, immonium, diimonium compounds, etc.) or inorganic complex compounds (bisdithiodiketone complexes, bisphenyldithiol complexes, etc.) having functional properties may be mixed and dispersed. Furthermore, the recording layer may also contain storage stabilizers (metal complexes, phenolic compounds), dispersants, flame retardants, lubricants, plasticizers, and the like.
記録層の膜厚は１００人〜１０声、好ましくは２００人
〜２μ−である。記録層の形成方法としては、蒸着、Ｃ
ＶＤ法、スパッター法の他、溶剤塗工法、例えば。The thickness of the recording layer is 100 to 10, preferably 200 to 2μ. Methods for forming the recording layer include vapor deposition, C
In addition to VD method and sputtering method, solvent coating method, for example.
浸漬コーティング、スプレーコーティング、スピナーコ
ーティング、ブレートコ・−ティング、ローラコーティ
ング、カーテンコーティング等を用いることができる。Dip coating, spray coating, spinner coating, plate coating, roller coating, curtain coating, etc. can be used.
（３）下引き層
下引き層は（ａ）接着性の向上、（ｂ）水又はガスなど
のバリヤー、（Ｃ）記録層の保存安定性の向上及び（ｄ
）反射率の向上、（ｅ）溶剤からの基板の保護、（ｆ）
プレグルーブの形成などを目的として使用される。（ａ
）の目的に対しては高分子材料、例えば、アイオノマー
樹脂、ポリアミド樹脂、ビニル系樹脂、天然樹脂、天然
高分子、シリコーン、液状ゴムなどの種々の高分子物質
及びシランカップリング剤などを用いることができ、（
ｂ）及び（ｃ）の目的に対しては上記高分子材料以外に
無機化合物１例えばＳｉｎ、、 ＭｇＦ、、Ｓｉｎ、
Ｔｉｅ、、ＺｎＯ５ＴｉＮ、 ＳｉＮなど。(3) Undercoat layer The undercoat layer (a) improves adhesion, (b) serves as a barrier against water or gas, (C) improves storage stability of the recording layer, and (d)
) improvement of reflectance, (e) protection of the substrate from solvents, (f)
Used for purposes such as forming pre-grooves. (a
), various polymeric substances such as ionomer resins, polyamide resins, vinyl resins, natural resins, natural polymers, silicones, liquid rubbers, and silane coupling agents may be used. is done, (
For the purposes of b) and (c), in addition to the above-mentioned polymeric materials, inorganic compounds 1 such as Sin, MgF, Sin,
Tie, ZnO5TiN, SiN, etc.
金属または半金属、例えば、Ｚｎ、 Ｃｕ、 Ｓ、 Ｎ
ｉ、 Ｃｒ。Metals or metalloids, such as Zn, Cu, S, N
i, Cr.
Ｇｅ、 Ｓｓ、Ａｕ、 Ａｇ、 Ａｌｌなどを用いるこ
とができる。Ge, Ss, Au, Ag, All, etc. can be used.
また、（ｄ）の目的に対しては金属、例えば、ＡＱ。Also for the purpose of (d) metals such as AQ.
Ａｇ等や、金属光沢を有する有機薄膜、例えば、メチン
染料、キサンチン系染料等を用いることができ、（ｅ）
及び（ｆ）の目的に対しては、紫外線硬化樹脂、熱硬化
樹脂、熱可塑性樹脂等を用いることができる。Ag or the like, an organic thin film having metallic luster, for example, methine dye, xanthine dye, etc. can be used, and (e)
For the purpose of (f) and (f), ultraviolet curing resins, thermosetting resins, thermoplastic resins, etc. can be used.
（４）保護層
保護層は、（ａ）記録層をその傷、ホコリ、汚れ等から
保護する。（ｂ）記録層の保存安定性の向上。(4) Protective layer The protective layer (a) protects the recording layer from scratches, dust, dirt, etc.; (b) Improved storage stability of the recording layer.
（ｃ）反射率の向上等を目的として使用される。これら
の目的に対しては、前記下引き層に示した材料を用いる
ことができる。(c) Used for the purpose of improving reflectance, etc. For these purposes, the materials listed above for the undercoat layer can be used.
本発明において、前記下引き層及び保護層には。In the present invention, the undercoat layer and the protective layer include:
記録層の場合と同様に、安定剤１分散剤、難燃剤。As in the case of the recording layer, stabilizer 1 dispersant, flame retardant.
滑剤、帯電防止剤、界面活性剤、可塑剤等を含有させる
ことができる。さらに下引き層や保護層に対しても、前
記一般式（１）で表わされる化合物を含有させることが
できる。A lubricant, an antistatic agent, a surfactant, a plasticizer, etc. can be contained. Furthermore, the undercoat layer and the protective layer can also contain the compound represented by the general formula (1).
次に本発明で用いるのに好ましい化合物の具体例を示す
。Next, specific examples of compounds preferable for use in the present invention will be shown.
（化合物例）
〔実施例〕
以下に実施例をあげて本発明をさらに説明するが、本発
明はこれら実施例のみに限定されるものではない。(Examples of Compounds) [Examples] The present invention will be further explained with reference to Examples below, but the present invention is not limited only to these Examples.
（実施例１）
厚さ１．２１のポリメチルメタクリレート（ＰＭＭＡ）
板（直径１３０ｍ）上にアクリル系フォトポリマーによ
り深さ９００人、半値幅０．４．、ピッチ１．６趨のら
線状の案内溝を設けた基板上に、前記化合物例〔１〕の
１，２−ジクロルエタン溶液をスピナー塗布して厚さ８
００人の記録層を形成し、記録媒体を得た。（実施例２
）
実施例１において、前記化合物例〔１〕の代わりに前記
化合物例〔２〕を用いて記録媒体を得た。(Example 1) Polymethyl methacrylate (PMMA) with a thickness of 1.21
A depth of 900 people and a width at half maximum of 0.4. A 1,2-dichloroethane solution of the compound example [1] was applied with a spinner onto a substrate provided with spiral guide grooves with a pitch of 1.6 to a thickness of 8.
A recording layer of 0.00 people was formed to obtain a recording medium. (Example 2
) In Example 1, a recording medium was obtained using Compound Example [2] instead of Compound Example [1].
（実施例３）
実施例１において、前記化合物例〔１〕の代わりに前記
化合物例〔３〕を用いて記録媒体を得た。(Example 3) In Example 1, a recording medium was obtained using Compound Example [3] instead of Compound Example [1].
（実施例４）
実施例１で形成した記録層上にさらに厚さ１００人の銀
蒸着膜を設けて記録媒体を得た。(Example 4) On the recording layer formed in Example 1, a silver vapor deposition film having a thickness of 100 ml was further provided to obtain a recording medium.
（実施例５）
実施例１の基板上に前記化合物例〔４〕と下記化合物（
１）を１：１の重量比で混合した１、２−ジクロルエタ
ン溶液をスピナー塗布して厚さ９００人の記録層を形成
し、記録媒体を得た。(Example 5) The above compound example [4] and the following compound (
A 1,2-dichloroethane solution containing 1) mixed at a weight ratio of 1:1 was coated using a spinner to form a recording layer with a thickness of 900 mm, thereby obtaining a recording medium.
（実施例６）
実施例１の基板上に前記化合物例〔５〕と下記化合物（
ｎ）を７：３の重量比で混合した１、２−ジクロルエタ
ン溶液をスピナー塗布して厚さ６００人の記録層を設け
、さらにその上に下記化合物（ｍ）を５００人の厚さに
真空蒸着して記録媒体を得た。(Example 6) The above compound example [5] and the following compound (
A 1,2-dichloroethane solution containing n) mixed at a weight ratio of 7:3 was applied using a spinner to form a recording layer with a thickness of 600 mm, and the following compound (m) was further applied under vacuum to a thickness of 500 mm. A recording medium was obtained by vapor deposition.
（実施例９）
実施例１の基板上に前記化合物例〔１〕と下記化合物（
Ｖ）を１０：１．５の重量比で混合した１、２−ジクロ
ルエタン溶液をスピナー塗布して厚さ７００人の記録層
を形成し、記録媒体を得た。(Example 9) The above compound example [1] and the following compound (
A 1,2-dichloroethane solution containing V) mixed at a weight ratio of 10:1.5 was coated using a spinner to form a recording layer with a thickness of 700 mm, thereby obtaining a recording medium.
（実施例７）
実施例１の基板上に厚さ１００人のＴｅ蒸着膜を設け、
さらにその上に前記化合物例〔６〕の１，２−ジクロル
エタン溶液をスピナー塗布して厚さ６００人の記録層を
形成し、記録媒体を得た。(Example 7) A Te vapor deposited film with a thickness of 100 mm was provided on the substrate of Example 1,
Furthermore, a 1,2-dichloroethane solution of Compound Example [6] was applied thereon using a spinner to form a recording layer having a thickness of 600 mm, thereby obtaining a recording medium.
（実施例８）
実施例１の基板上に前記化合物例〔７〕と下記化合物（
ＩＶ）を１０：２の重量比で混合した１、２−ジクロル
エタン溶液をスピナー塗布して厚さ１０００人の記録層
を形成し、記録媒体を得た。(Example 8) The above compound example [7] and the following compound (
A 1,2-dichloroethane solution containing IV) mixed at a weight ratio of 10:2 was coated with a spinner to form a recording layer with a thickness of 1000 layers to obtain a recording medium.
（実施例１０）
実施例１の基板上に前記化合物例〔２〕と上記化合物Ｃ
Ｉ）を７＝３の重量比で混合しさらに混合した化合物の
１５％の下記化合物（ＶＩ）を混合した１、２−ジクロ
ルエタン溶液をスピナー塗布して厚さ９００人の記録層
を形成し、記録媒体を得た。(Example 10) The above compound example [2] and the above compound C were placed on the substrate of Example 1.
I) was mixed at a weight ratio of 7=3, and a 1,2-dichloroethane solution containing 15% of the mixed compound (VI) below was coated using a spinner to form a recording layer with a thickness of 900 mm. Obtained a recording medium.
上記実施例で作製した記録媒体に、波長７９０ｎｍの半
導体レーザー光を用い基板側より記録周波数０．５ＭＨ
ｚ、線速１．５ｍ／ｓｅｅで情報を書き込み、再生し、
その再生波形のスペクトル解析（スキャニングフィルタ
ーバンド幅３０ＫＨｚ）を行い、 Ｃ／Ｎを測定した。A recording frequency of 0.5 MH was applied to the recording medium produced in the above example from the substrate side using a semiconductor laser beam with a wavelength of 790 nm.
z, write and reproduce information at a linear speed of 1.5 m/see,
A spectrum analysis (scanning filter bandwidth: 30 KHz) of the reproduced waveform was performed, and the C/N was measured.
その結果を次表に示す。The results are shown in the table below.
表−１
又、実施例８．９．１０では化合物（１）及び（Ｕ）を
単独で使用する場合に比べ、光に対する安定性は大幅に
改良された。Table 1 Furthermore, in Example 8.9.10, the stability against light was significantly improved compared to the case where compounds (1) and (U) were used alone.
上述のようにして構成された本発明の光情報記録媒体は
、半導体レーザー等の長波長光による記録再生が可能で
、熱安定性及び光安定性の向上したもので、保存性にす
ぐれかつ再生劣化の少いものである。さらに、良好な形
状でピットが形成でき、高いＣ／Ｎを得ることができる
。The optical information recording medium of the present invention configured as described above is capable of recording and reproducing using long wavelength light such as a semiconductor laser, has improved thermal stability and optical stability, and has excellent storage stability and playability. It has little deterioration. Furthermore, pits can be formed in a good shape and a high C/N can be obtained.
Claims (1)
さらに必要に応じて保護層を設けてなる光情報記録媒体
において、前記記録層中に、下記一般式（ I ）で表わ
される化合物を含有させたことを特徴とする光情報記録
媒体。 一般式（ I ）： ▲数式、化学式、表等があります▼ （上記式中、Ｒ＿１、Ｒ＿２、Ｒ＿３、Ｒ＿４はアルキ
ル基、アラルキル基、アルコキシ基、アミノ基、アリー
ル基、アルケニル基、ハロゲン等に置換されていてもよ
く他の芳香族環と縮合されていてもよい。Ａは酸アニオ
ンを表わし、ｎは２又は３である。）(1) In an optical information recording medium in which a recording layer is provided directly or via an undercoat layer on a substrate and further provided with a protective layer as necessary, the recording layer contains a compound represented by the following general formula (I). An optical information recording medium characterized by containing a compound. General formula (I): ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (In the above formula, R_1, R_2, R_3, R_4 are alkyl groups, aralkyl groups, alkoxy groups, amino groups, aryl groups, alkenyl groups, halogens, etc.) It may be substituted or fused with another aromatic ring. A represents an acid anion, and n is 2 or 3.)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63179660A JP2740846B2 (en) | 1988-07-19 | 1988-07-19 | Optical information recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63179660A JP2740846B2 (en) | 1988-07-19 | 1988-07-19 | Optical information recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0229386A true JPH0229386A (en) | 1990-01-31 |
| JP2740846B2 JP2740846B2 (en) | 1998-04-15 |
Family
ID=16069654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63179660A Expired - Fee Related JP2740846B2 (en) | 1988-07-19 | 1988-07-19 | Optical information recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2740846B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5918085A (en) * | 1997-04-11 | 1999-06-29 | Xerox Corporation | Method and apparatus for waste toner determination |
| KR20220113718A (en) | 2019-12-27 | 2022-08-16 | 가부시키가이샤 크리에이티브 테크놀러지 | electric dust collector |
-
1988
- 1988-07-19 JP JP63179660A patent/JP2740846B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5918085A (en) * | 1997-04-11 | 1999-06-29 | Xerox Corporation | Method and apparatus for waste toner determination |
| KR20220113718A (en) | 2019-12-27 | 2022-08-16 | 가부시키가이샤 크리에이티브 테크놀러지 | electric dust collector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2740846B2 (en) | 1998-04-15 |
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