JPS62183044A - Optical recording medium - Google Patents
Optical recording mediumInfo
- Publication number
- JPS62183044A JPS62183044A JP61023005A JP2300586A JPS62183044A JP S62183044 A JPS62183044 A JP S62183044A JP 61023005 A JP61023005 A JP 61023005A JP 2300586 A JP2300586 A JP 2300586A JP S62183044 A JPS62183044 A JP S62183044A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- recording
- substrate
- recording medium
- optical recording
- 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
- 230000003287 optical effect Effects 0.000 title claims description 22
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 3
- 239000002985 plastic film Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 34
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000011120 plywood Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- DYSXLQBUUOPLBB-UHFFFAOYSA-N 2,3-dinitrotoluene Chemical compound CC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O DYSXLQBUUOPLBB-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 235000006732 Torreya nucifera Nutrition 0.000 description 1
- 244000111306 Torreya nucifera Species 0.000 description 1
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical compound [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 description 1
- QVYYOKWPCQYKEY-UHFFFAOYSA-N [Fe].[Co] Chemical compound [Fe].[Co] QVYYOKWPCQYKEY-UHFFFAOYSA-N 0.000 description 1
- SHXJBKVHXUNDLB-UHFFFAOYSA-N [Si].[P].[Fe] Chemical compound [Si].[P].[Fe] SHXJBKVHXUNDLB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- CYUOWZRAOZFACA-UHFFFAOYSA-N aluminum iron Chemical compound [Al].[Fe] CYUOWZRAOZFACA-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- KYAZRUPZRJALEP-UHFFFAOYSA-N bismuth manganese Chemical compound [Mn].[Bi] KYAZRUPZRJALEP-UHFFFAOYSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 molybdenmalloy Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910000815 supermalloy Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は、光学的手段で情報の記録と再生を行なう光記
録媒体に関し、特にレーザービームによる情報の記録及
び再生か可能なカード状の光記録媒体に関する。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to an optical recording medium on which information is recorded and reproduced by optical means, and in particular to a card-shaped optical recording medium on which information can be recorded and reproduced using a laser beam. Regarding recording media.
[従来の技術]
近年、光ファイルやコンパクトディスク等の記録媒体か
多く提案されているか、これらの記録媒体より携帯性に
優れ、かつ現在普及している磁気カートに比べ同じ大き
さて容量の多いカード状の記録媒体の提案もされ始めて
いる。[Prior Art] In recent years, many recording media such as optical files and compact discs have been proposed, and cards that are more portable than these recording media and have the same size and larger capacity than the currently popular magnetic carts. Proposals are also beginning to be made for recording media of the same size.
従来の記録媒体ては、基板にはプラスチックの板または
フィルムが広範囲に使用されているが、これらの基板て
は厚さが薄く、基板自身の反りや表面の波打ち等の現象
か起こりやすかった。In conventional recording media, plastic plates or films are widely used as substrates, but these substrates are thin and prone to warping of the substrate itself and waving of the surface.
このような基板の変形は、情報の記録、再生時に装置へ
装着する際の位置決めを困難にし、さらにレーザービー
ムのオートフォーカスを誤動作させる原因となつている
。Such deformation of the substrate makes it difficult to position the substrate when it is attached to a device when recording or reproducing information, and also causes malfunction of laser beam autofocus.
即ち、このような基板の変形は情報の記録、再生時の誤
動作率を上げ、信頼性の低下を引き起こしている。具体
的には従来のディスクタイプの記録媒体てすら基板の変
形が起きており、特にカード状の媒体はその携帯性に特
徴を有することからいっそう基板の変形による信頼性の
低下か起こりやすかった。That is, such deformation of the substrate increases the malfunction rate during information recording and reproduction, causing a decrease in reliability. Specifically, deformation of the substrate has occurred even in conventional disk-type recording media, and in particular, card-shaped media are characterized by their portability, so they are even more likely to suffer from deterioration in reliability due to deformation of the substrate.
[発明か解決しようとする問題点]
本発明はこの様な従来の技術に鑑みてなされたものであ
り、磁性薄層を積層してなる基板を有する光記録媒体を
用いて情報の記録・再生を行うことにより、即ち、該光
記録媒体を情報の記録、再生装置の磁性を付与した収納
部に収容すると、両者の磁気による吸引力により情報の
記録、再生時の位置合せか簡単で正確に行うことかてき
ることを知見し本発明を完成したものである。[Problems to be solved by the invention] The present invention has been made in view of such conventional technology, and is a method for recording and reproducing information using an optical recording medium having a substrate made of laminated magnetic thin layers. In other words, when the optical recording medium is housed in the magnetic storage section of the information recording/reproducing device, the magnetic attraction between the two allows easy and accurate positioning during information recording and reproduction. The present invention was completed by discovering what can be done and what can be done.
[問題点を解決するための手段コ
即ち、本発明は磁性薄層を積層してなる基板を有するこ
とを特徴とする光記録媒体である。[Means for Solving the Problems] The present invention is an optical recording medium characterized by having a substrate formed by laminating magnetic thin layers.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
第1図〜第3図は各々本発明の光記録媒体の1例を示す
断面図である。同第1図において、本発明の光記録媒体
は台板1の上に必要に応じて接着剤等により固着せしめ
て磁性薄層2を積層して基板7を形成し、さらに磁性薄
層2の上に記録層3を設けてなるものである。1 to 3 are sectional views each showing an example of the optical recording medium of the present invention. In FIG. 1, the optical recording medium of the present invention has a substrate 7 formed by laminating a magnetic thin layer 2 on a base plate 1, which is fixed with an adhesive or the like as required. A recording layer 3 is provided thereon.
第2図は本発明の光記録媒体の他の例を示すものであり
、台板1の上に磁性薄層2を積層して形成した基板7の
台板1の他の面に記録層3を設けてなるものである。FIG. 2 shows another example of the optical recording medium of the present invention, in which a recording layer 3 is formed on the other surface of the base plate 1 of a substrate 7 formed by laminating a magnetic thin layer 2 on the base plate 1. It is made up of the following.
第3図は、さらに他の例を示すものてあり、台板1の上
に接着剤層6を介して磁性薄層2を積層して基板7を形
成し、該基板7の台板lの上に低融点物質層4と全7%
反射膜5を順次積層してなる記録層3を設けてなる光記
録媒体である。FIG. 3 shows still another example, in which a magnetic thin layer 2 is laminated on a base plate 1 via an adhesive layer 6 to form a substrate 7, and a base plate l of the base plate 7 is formed. Low melting point material layer 4 on top and total 7%
This is an optical recording medium provided with a recording layer 3 formed by sequentially laminating reflective films 5.
本発明において磁性薄層に用いる磁性材料としては、高
透磁性材料、永久磁石材料等か用いられ、その具体例と
して例えば、圧粉カーボニル鉄、ケイ素鋼、ケイ素鋳鉄
、リンケイ素鉄、アルミニウム鉄、パーマロイ、モリフ
デンバーマロイ、スーパーマロイ、銅パーマロイ、鉄コ
バルト、鉄−ニッケルーシリカ−マンガン、フェライト
、炭素鋼、タングステン鋼、クロム鋼、モリブデン鋼、
コバルト鋼、アルミニウム鋼、白金コバルト、白金鉱、
マンガンアルミニウム銀、ビスマスマンガン等が挙げら
れる。In the present invention, the magnetic material used for the magnetic thin layer includes high magnetic permeability materials, permanent magnet materials, etc. Specific examples thereof include powdered carbonyl iron, silicon steel, silicon cast iron, phosphorus silicon iron, aluminum iron, Permalloy, molybdenmalloy, supermalloy, copper permalloy, iron cobalt, iron-nickel-silica-manganese, ferrite, carbon steel, tungsten steel, chromium steel, molybdenum steel,
cobalt steel, aluminum steel, platinum cobalt, platinum ore,
Examples include manganese, aluminum, silver, and bismuth manganese.
本発明においては、上述の磁性材料を適当な温度下で加
圧延伸し、適当な厚さに加工することにより磁性薄層を
得ることかできる。In the present invention, a magnetic thin layer can be obtained by pressurizing and stretching the above-mentioned magnetic material at an appropriate temperature and processing it to an appropriate thickness.
磁性薄層の厚さは0.1〜100μm、好ましくは1〜
50ルmか慴ましく 、 0.1 mm未満ては均質膜
とすることか難しく、 100 弘mをこえるとカート
自身の重量が増し、携帯性か悪くなる。The thickness of the magnetic thin layer is 0.1 to 100 μm, preferably 1 to 100 μm.
If it is less than 0.1 mm, it is difficult to form a homogeneous film, and if it exceeds 100 mm, the weight of the cart itself increases and portability becomes worse.
また、本発明における合板には通常の記録媒体の基板と
して使用されているものであれば如何なるものても用い
ることかてき、例えばガラス板やポリカーボネート、ア
クリル等のプラスチック板やプラスチックフィルム等が
挙げられる。Furthermore, the plywood in the present invention may be any material that is used as a substrate for ordinary recording media, such as glass plates, polycarbonate, plastic plates such as acrylic, and plastic films. .
合板の厚さは0.1ルl〜1.0mm 、好ましくは0
.1 gm 〜0.5+aa+か望ましく、0.1pm
未満ては強度か弱く実用に供することが困難てあり、1
.0■をこえるとカードの重量及び厚さが増し携帯性か
悪くなる。The thickness of the plywood is 0.1 to 1.0 mm, preferably 0.
.. 1 gm ~0.5+aa+ or preferably 0.1pm
It is difficult to put it into practical use because the strength is weak and it is difficult to put it into practical use.
.. If it exceeds 0■, the weight and thickness of the card will increase and portability will deteriorate.
これ等の合板に前記の磁性薄層を必要に応し接着剤等て
固着して積層して、基板を形成する。The above-mentioned magnetic thin layer is adhered and laminated to these plywood boards using an adhesive or the like as required to form a substrate.
記録層は磁性薄層と隣接した側、あるいはガラスやプラ
スチック層等の合板上に直接設けることかてきる。The recording layer can be provided on the side adjacent to the magnetic thin layer or directly on the plywood such as a glass or plastic layer.
記録層としては、特に限定することはなく通常使用され
ているものを用いることかてき、例えば有機高分子物質
中に金属粒子を分散させた層や。The recording layer is not particularly limited, and any commonly used recording layer may be used, such as a layer in which metal particles are dispersed in an organic polymer material.
低融点物質層上に金属薄11りを積層した層等か挙げら
れる。Examples include a layer in which a thin metal layer 11 is laminated on a layer of a low melting point substance.
記録層の上には必要に応じ反射層を設け、さらに保護層
で外面を被覆することもてきる。A reflective layer may be provided on the recording layer, if necessary, and the outer surface may be further coated with a protective layer.
本発明の光記録媒体を使用して情報の記録、再生を行う
には、該光記録媒体をあらかじめ情報の記録、再生装置
に磁性を付与して形成した収納部へ収容すると、磁気に
よる吸引力により光記録媒体は収納部の磁性基板面に吸
着して均等な平面状態に支持される。In order to record and reproduce information using the optical recording medium of the present invention, when the optical recording medium is housed in a storage section formed by imparting magnetism to the information recording and reproducing device in advance, the magnetic attraction force As a result, the optical recording medium is attracted to the surface of the magnetic substrate in the storage section and is supported in an evenly planar state.
特に、光記録媒体の基板の厚さか薄く、また平面状の大
きいものは磁気吸引力か均等に働き良好な平面状態を形
成するのて好ましい。In particular, it is preferable that the substrate of the optical recording medium be thin and have a large planar shape because the magnetic attraction force will work evenly to form a good planar state.
[作用]
本発明の光記録媒体は磁性薄層を積層してなる基板を有
するために、記録、11f生装置内の磁性を付!j−シ
た収納部に収容すると、磁気の吸引力により所定位置に
固定され位置合せ等を正確に行うことかてきるものと推
定される。[Function] Since the optical recording medium of the present invention has a substrate made of laminated magnetic thin layers, magnetism in the recording and 11f recording equipment is applied! It is presumed that when it is housed in a storage section that is placed in a vertical position, it is fixed in a predetermined position by the magnetic attraction force, allowing for accurate positioning and the like.
[実施例] 次に実施例を示し本発明をさらに具体的に説明する。[Example] Next, the present invention will be explained in more detail with reference to Examples.
実施例1
ムメタル(組成Cu:Cr:N1=5:2ニア7重■比
)を加熱圧延により、0 、 [] 3 m rnの均
一な厚さにした。これをたて 5.4cm、よこ 8.
57cm 、厚さ 0.5111mの塩化ビニルの透明
基板上に、塩化ビニル・酢酸ビニル共重合物より成る接
着剤を間に塗布した上で積層し、ホットプレスて加熱加
圧して積層した。Example 1 Mumetal (composition Cu:Cr:N1=5:2 near 7 weight ratio) was heated and rolled to a uniform thickness of 0.3 mrn. 5.4cm vertically, horizontally 8.
A vinyl chloride transparent substrate of 57 cm and a thickness of 0.5111 m was laminated with an adhesive made of a vinyl chloride/vinyl acetate copolymer applied therebetween, and laminated by hot pressing and heating.
さらに磁性薄層を設けた側と、反対側に、記録層を設け
た。記録層には昇華性染料としてKaya tonBl
ue 156(日本火薬製)と、低融点補助剤としてジ
ニトロトルエン(東京化成製)及びバインターとしてエ
チルセルロース(関東化学制)を重量比で0.1:1:
1になるように混合し、トルエンの20%溶液としたも
のをバーコータで膜厚5pmになるように基板上に塗布
した。さらにその上にAuの反射膜を厚さ50Aで蒸着
した。Furthermore, a recording layer was provided on the side opposite to the side on which the magnetic thin layer was provided. Kaya tonBl is used as a sublimable dye in the recording layer.
ue 156 (manufactured by Nippon Kapaku), dinitrotoluene (manufactured by Tokyo Kasei) as a low melting point auxiliary agent, and ethyl cellulose (manufactured by Kanto Chemical System) as a binder in a weight ratio of 0.1:1:
1, and a 20% toluene solution was coated onto the substrate using a bar coater to a film thickness of 5 pm. Furthermore, a reflective film of Au was deposited thereon to a thickness of 50 Å.
この様にして得られた光記録カードは磁性を有し、強度
は良好てあった。The optical recording card thus obtained had magnetic properties and good strength.
次に、カートの収納部に磁性を付与した記録、再生装置
により情報の記録を行った。Next, information was recorded in the storage section of the cart using a magnetic recording and reproducing device.
記録は半導体レーザーで行ない、波長は8:lOnm、
記録パワーは記録面上で7mW、照射ビーム径7延lて
あった。Recording is performed using a semiconductor laser, with a wavelength of 8:1 Onm.
The recording power was 7 mW on the recording surface, and the irradiation beam diameter was 7 l.
回しレーザーを用いて、パワー0.7+nW 、照射ビ
ーム径5gmて再生したところSハ比の値は48dll
であった。When reproduced using a rotary laser with a power of 0.7+nW and an irradiation beam diameter of 5 gm, the S-ratio value was 48 dll.
Met.
また再生を数十回くり返し行なってもS/N値には変化
がみとめられなかった。Further, no change in the S/N value was observed even after repeated reproduction several dozen times.
比較例1
たて 5.4cm、よこ8.57cm、厚さ0.5II
1mの磁性薄層を含まないポリビニルクロライドフィル
ムのみの基板上に実施例1と同様の条件て光記録層を設
け、記録、再生を行なったところ、S/N値は38dB
てあった。Comparative Example 1 Vertical 5.4cm, Width 8.57cm, Thickness 0.5II
An optical recording layer was provided on a 1 m long substrate made only of polyvinyl chloride film without a magnetic thin layer under the same conditions as in Example 1, and when recording and reproduction were performed, the S/N value was 38 dB.
There was.
また、再生を数十回くり返し行なうとS/N値はバラツ
キか大きかった。Further, when the reproduction was repeated several dozen times, the S/N value varied greatly.
[発明の効果]
以上説明したように本発明の光記録媒体は磁性薄層を積
層してなる基板を有することにより、下記の様な優れた
効果かある。[Effects of the Invention] As explained above, the optical recording medium of the present invention has the following excellent effects by having a substrate formed by laminating magnetic thin layers.
(1)記録、再生装置内の所定位置にも磁性を付与する
ことにより情報の記録、再生時の位置合せか簡単かつ正
確になる。(1) By applying magnetism to predetermined positions within the recording and reproducing apparatus, positioning during recording and reproducing information becomes simple and accurate.
(2)また、記録、再生装置内の所定位置にも磁性を付
与、することにより平面性が確保されAFが容易になり
、記録、再生時のエラーか減少し、信頼性の高い情報か
得られる。(2) In addition, by adding magnetism to predetermined positions within the recording/playback device, flatness is ensured, making AF easier, reducing errors during recording/playback, and obtaining highly reliable information. It will be done.
(3)他の磁性物質上に付着させることか可能となり、
保存や携帯か簡便になる。(3) It becomes possible to attach it to other magnetic materials,
Easy to store and carry.
例えば、マグネットボードや身近な磁性物質上に付着さ
せて保存することかできる。For example, it can be stored by attaching it to a magnetic board or a nearby magnetic material.
第1図〜第3図は各々本発明の光記録媒体の実施態様を
示す断面図である。
■・・・・・・台板 2・・・・・・磁性薄層
3・・・・・・記録層 4・・・・・・低融点物
質層5・・・・・・金属反射膜 6・・・・・・接着
剤層第1図
第2図1 to 3 are cross-sectional views showing embodiments of the optical recording medium of the present invention. ■...Bed plate 2...Magnetic thin layer 3...Recording layer 4...Low melting point material layer 5...Metal reflective film 6 ...Adhesive layer Figure 1 Figure 2
Claims (1)
光記録媒体。An optical recording medium characterized by having a substrate formed by stacking magnetic thin layers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61023005A JPS62183044A (en) | 1986-02-06 | 1986-02-06 | Optical recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61023005A JPS62183044A (en) | 1986-02-06 | 1986-02-06 | Optical recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62183044A true JPS62183044A (en) | 1987-08-11 |
Family
ID=12098382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61023005A Pending JPS62183044A (en) | 1986-02-06 | 1986-02-06 | Optical recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62183044A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03105738A (en) * | 1989-09-19 | 1991-05-02 | Dowa Mining Co Ltd | Optical disk and production thereof |
JP2005063573A (en) * | 2003-08-14 | 2005-03-10 | Sony Corp | Manufacturing method of optical disk medium |
-
1986
- 1986-02-06 JP JP61023005A patent/JPS62183044A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03105738A (en) * | 1989-09-19 | 1991-05-02 | Dowa Mining Co Ltd | Optical disk and production thereof |
JP2005063573A (en) * | 2003-08-14 | 2005-03-10 | Sony Corp | Manufacturing method of optical disk medium |
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