JPS60249143A - Optical information recording medium - Google Patents

Optical information recording medium

Info

Publication number
JPS60249143A
JPS60249143A JP59104469A JP10446984A JPS60249143A JP S60249143 A JPS60249143 A JP S60249143A JP 59104469 A JP59104469 A JP 59104469A JP 10446984 A JP10446984 A JP 10446984A JP S60249143 A JPS60249143 A JP S60249143A
Authority
JP
Japan
Prior art keywords
recording medium
layer
recording layer
recording
optical information
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
Application number
JP59104469A
Other languages
Japanese (ja)
Inventor
Yutaka Ueda
裕 上田
Masaaki Umehara
正彬 梅原
Michiharu Abe
通治 安倍
Tsutomu Sato
勉 佐藤
Hideaki Oba
大庭 秀章
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP59104469A priority Critical patent/JPS60249143A/en
Publication of JPS60249143A publication Critical patent/JPS60249143A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/244Record 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
    • G11B7/246Record 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
    • G11B7/248Record 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

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE:To provide an optical information recording medium capable of reproduction of record using long wavelength light such as semiconductor laser, and having superior preservability and high record density and causing scarcely deterioration by reproduction. CONSTITUTION:A recording layer 2 contg. a compd. expressed by the general formula (wherein R1 is H, halogen, OH, COOH, substituted or unsubstituted alkyl, aryl, acyl, acyloxy, alkoxy, or alkenyl; R2 is substituted or unsubstituted alkyl, aralkyl, or alkenyl; M is Ni, Co, Mn, Pt. or Pd) is formed on a substrate 1. Further, the recording layer may be constituted with two layers combining a light reflecting layer and a light absorbing layer in an optional order. The recording layer is formed by the usual method such as vapor deposition, sputtering, CVD, or solution coating, etc.

Description

【発明の詳細な説明】 〔技術分野〕 本発明は特定の化合物を含む記録l〜を有する光情報記
録媒体に関する。さらに詳しくは、レーザビームにより
直接記録し反射光の変化によって情報再生を行なう方法
に用いられる光情報記録媒体に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an optical information recording medium having a record l containing a specific compound. More specifically, the present invention relates to an optical information recording medium used in a method of directly recording with a laser beam and reproducing information by changing reflected light.

〔従来技術〕[Prior art]

従来、回転しているディスク状の情報記録媒体にレーザ
光を照射して情報の記録再生を行なう情報記録再生装置
が知られている。そしてこの種の情報記録装置に用いら
れる情報記録媒体の記録層としては低融点金属または低
融点金属と誘電体を用いるものなどが提案されている。
2. Description of the Related Art Conventionally, information recording and reproducing apparatuses are known that record and reproduce information by irradiating a rotating disk-shaped information recording medium with a laser beam. As a recording layer of an information recording medium used in this type of information recording device, a recording layer using a low melting point metal or a low melting point metal and a dielectric material has been proposed.

しかし、これらは保存性が悪い1分解能が低い、記録密
度が低い、コスト尚になるなどの欠点を有する。そこで
、最近になって比較的長波長の光で物性変化し得る有機
薄膜を記録層に用いることが提案されているが、一般に
長波長側に吸収特性音もつ有(:2化合物は熱および光
に対して安定性が低いなどの問題点があることから必ず
しも記Oq′f性上満足できる記録層が開発されていな
いのが現状である。
However, these have disadvantages such as poor storage stability, low resolution, low recording density, and high cost. Recently, it has been proposed to use an organic thin film whose physical properties can be changed by relatively long wavelength light as a recording layer. At present, a recording layer that is satisfactory in terms of Oq'f properties has not been developed due to problems such as low stability.

〔目 的〕〔the purpose〕

本発明は上記現状に鑑みてなされたものであって、その
目的は半導体レーザなどの長波長光による記録再生が可
能で保存性にすぐれかつ再生劣化が少く記録密度の^い
光情報記録媒体を提供することである。
The present invention was made in view of the above-mentioned current situation, and its purpose is to provide an optical information recording medium that is capable of recording and reproducing using long wavelength light such as a semiconductor laser, has excellent storage stability, has little reproduction deterioration, and has a high recording density. It is to provide.

〔t′17 成〕 本発明者は上記目的を達成するために鋭意研死を行った
結果、下記一般式で示される化合物自体が安定なn己録
材料として有用であることを見出し本発明の完成に至っ
た。
[t'17 completed] As a result of extensive research in order to achieve the above object, the present inventor discovered that the compound represented by the following general formula itself is useful as a stable recording material. It has been completed.

すなわち、本発明は下記一般式で示される化合物を含む
記録層をイjする光情報記録媒体を提供することにある
That is, an object of the present invention is to provide an optical information recording medium having a recording layer containing a compound represented by the following general formula.

一般式 ただし、Plは水素、ハロゲン、ヒドロキシル基、カル
ボキシル基、置換もしくは未置換のアルキル、アリール
、アシル、アシルオキシ、アルコキシまたはアルケニル
基を表わし、R2は置換もしくは未置換のアルキル、ア
ラルキルまたはアルケニル基を表わしそして11はNi
、 Co、Cu%Mn1ptまたはPdを表わす。
In the general formula, Pl represents hydrogen, halogen, hydroxyl group, carboxyl group, substituted or unsubstituted alkyl, aryl, acyl, acyloxy, alkoxy or alkenyl group, and R2 represents substituted or unsubstituted alkyl, aralkyl or alkenyl group. and 11 is Ni
, Co, Cu%Mn1pt or Pd.

本発明の上記化合物の具体例を以下にあげるが、本発明
はこれらのみに限定されるものではない。
Specific examples of the above-mentioned compounds of the present invention are listed below, but the present invention is not limited thereto.

化合物 M R11(2’ A Ni CH5H B N ICI C6H5CH2− CNi CH30−CH3 DPtO,Hc2H5− E Pt CL cr+5 F Pt CH3CO−CH2−CHCH2−G Pd
 CH31,J HPd CF2O,5H4−C2H6 I Pa −CI(3COO−C6H5CH2一本発明
の光情報記録媒体は基本的には基板と記録層とから構成
されるものであるが、必要に応じてさらに下引層、保赦
層などを設けることもできる。また、記録層同士を内側
にして2枚の記録媒体を対向させたいわゆるエアーサン
ドイッチ構造にすることも可能である。
Compound M R11 (2' A Ni CH5H B N ICI C6H5CH2- CNi CH30-CH3 DPtO, Hc2H5- E Pt CL cr+5 F Pt CH3CO-CH2-CHCH2-G Pd
CH31,J HPd CF2O,5H4-C2H6 I Pa -CI(3COO-C6H5CH2) The optical information recording medium of the present invention basically consists of a substrate and a recording layer, but if necessary, further layers may be added. It is also possible to provide a pulling layer, a parsing layer, etc. It is also possible to form a so-called air sandwich structure in which two recording media are placed facing each other with the recording layers facing each other.

本発明における記録層はレーザ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
ものであって、この記録層中には上記一般式の化合物が
含有されている必要がある。また、記録層の形成にあた
って鉱上記一般式の化合物を1種または2種以上の組合
せで用いてもよい。さらに、本発明の上記化合物は他の
染料例えばフタロシアニン系染料、テトラヒドロコリン
系染料、ジオキザジン系染料、トリノエノチアジン系染
料、フェナンスレン系染料、シアニン(メロシアニンン
系染利、アントラギノン(インダンスレン)系染月、キ
サンチン系染料、トリフェニルメタン系染料、クロコニ
ウム系染料、ピリリウム系染料、アズレン系染料など1
/むは金オ・弓、今月化合物例えばIn。
The recording layer in the present invention is capable of causing some optical change by irradiation with laser light and recording information based on the change, and the recording layer must contain a compound of the above general formula. Further, in forming the recording layer, one kind or a combination of two or more kinds of compounds of the above general formula may be used. Furthermore, the above compound of the present invention can be used with other dyes such as phthalocyanine dyes, tetrahydrocholine dyes, dioxazine dyes, trinoenothiazine dyes, phenanthrene dyes, cyanine (merocyanine dyes, anthraginone (indanthrene)). Somegetsu, xanthine dyes, triphenylmethane dyes, croconium dyes, pyrylium dyes, azulene dyes, etc.1
/Muha Kin-O-Yumi, this month's compound, for example, In.

Sn、 Te、 Bj、A11Se、 TeO2,5n
O1As、 Cdなどと混合分散あるいは積層の形態で
用いることもできる。捷だ、本発明の上記化合物は高分
子材料例えばアイオノマー樹脂、ポリアミド系樹脂、ビ
ニル系樹脂、天然高分子、シリコーン、液状ゴムなどの
種々の材料もしくはシランカップリング剤などの中に混
合分散して用いてもよいしあるいは特性改良の目的で安
定剤(例えば、遷移全組錯体)、分散剤、碓燃剤、滑剤
、帯電防止剤、界面活性剤、可塑剤などと一緒に用いる
こともできる。
Sn, Te, Bj, A11Se, TeO2,5n
It can also be used in the form of mixed dispersion or lamination with O1As, Cd, etc. However, the above compound of the present invention can be mixed and dispersed in various materials such as polymeric materials such as ionomer resins, polyamide resins, vinyl resins, natural polymers, silicones, and liquid rubbers, or silane coupling agents. Alternatively, for the purpose of improving properties, stabilizers (for example, transition complexes), dispersants, stimulants, lubricants, antistatic agents, surfactants, plasticizers, etc. can be used together.

次に、図面について本発明による光情報記録媒体の構成
を説明する。
Next, the structure of the optical information recording medium according to the present invention will be explained with reference to the drawings.

第1図に示されるように、本発明の光情報記録媒体は基
本的には基板1上に上記一般式の化合物を含む記録層2
を設りたものである。、寸だ。
As shown in FIG. 1, the optical information recording medium of the present invention basically consists of a substrate 1 and a recording layer 2 containing a compound of the above general formula.
was established. , it's sun.

記録層は光反射層と光吸収層とを任意の順序で組合せた
2層構成とすることもできる。記録層の形成は蒸着、ス
・ξツタリング、CVDまたは溶液塗布などの通常の手
段によって行うことができる。塗布法を用いる場合には
有機溶媒に俗解してスプレー、ローラーコーティング、
ディッピングおよびスピンニングなどの慣用のコーティ
ング法によって行なわれる。イ■磯溶媒としては一般に
は、メタノール、エタノール、イソプロパツールなどの
アルコール類、アセトン、メチルエチルケトン、シクロ
ヘキザノ7などのケトンu、N、N−ジメチルホルムア
ミド、N、N−ジメチルアセトアミドなどのアミドづ4
、ジメチルスルホキシドなどのスルホキシド9A、テト
ラヒドロフラン、ジオキサン、エチレンダリコールモイ
メチルエーテルなどのエーテルナ11.酢酸メチル、r
iIE+’ウニチルなどのエステル類、クロロホルム、
塩化メアレン、ジクロルエタン、四塩化炭素、トリクロ
ルエタンなどの脂肪族ハロゲン化炭化水素類あるいはベ
ンゼン、トルエン、キ7レン、リフロイン、モノクロル
ベンゼン。
The recording layer can also have a two-layer structure in which a light-reflecting layer and a light-absorbing layer are combined in any order. The recording layer can be formed by conventional means such as vapor deposition, sintering, CVD or solution coating. When using coating methods, organic solvents are commonly referred to as spraying, roller coating,
This is done by conventional coating methods such as dipping and spinning. B. Solvents generally include alcohols such as methanol, ethanol, isopropanol, acetone, methyl ethyl ketone, ketones such as cyclohexano7, amides such as N,N-dimethylformamide, N,N-dimethylacetamide, etc.
, sulfoxides such as dimethyl sulfoxide 9A, etherna such as tetrahydrofuran, dioxane, ethylene dalicol moy methyl ether, etc. 11. Methyl acetate, r
iIE+'Unityl and other esters, chloroform,
Aliphatic halogenated hydrocarbons such as malene chloride, dichloroethane, carbon tetrachloride, and trichloroethane, or benzene, toluene, xy7lene, refuroin, and monochlorobenzene.

ジクロルベンゼンなどの芳香族類などを用いることがで
きる。記録層の膜厚は100人〜10μm好すしくけ2
0oX〜2μmが適当である。
Aromatics such as dichlorobenzene can be used. The thickness of the recording layer is preferably 100 to 10 μm2
A suitable thickness is 0oX to 2 μm.

基板1は基板側から書込み記録を行なう場合は使用レー
ザ光に対して透明でなければならず。
When writing and recording from the substrate side, the substrate 1 must be transparent to the laser beam used.

また記録層側から行なう場合は透明である必要はない。Furthermore, when performing from the recording layer side, it does not need to be transparent.

基板としてはガラス、ポリエステル、ポリアミド、ポリ
オレフィン、ポリカーボネート。
Substrates include glass, polyester, polyamide, polyolefin, and polycarbonate.

エホキシ、ホリイミド、ポリメチルメタクリレートなど
のプラスチック、金属、セラミックスが通常使用される
がその他記/Q、J、媒体に使用されるものならどれで
もよい。
Plastics such as epoxy, polyimide, and polymethyl methacrylate, metals, and ceramics are usually used, but any other materials used for media may be used.

また、第2図ないし第4図に示すように第1図の構成の
ものにさらに下引層6および/または保護層4を設けた
構成とすることもてきる。
Furthermore, as shown in FIGS. 2 to 4, the configuration shown in FIG. 1 may be further provided with an undercoat layer 6 and/or a protective layer 4.

この際、下引層および/または保護層中には本発明の上
記一般式で表わされる化合物が含有されていてもよい。
At this time, the undercoat layer and/or the protective layer may contain a compound represented by the above general formula of the present invention.

下引層3fi(a)接着性の向上、(b)水またはガス
などのバリヤー、(C)記録層の保存安定性の向上、(
d)反射率の向上、(e)溶剤からの基板の保該および
(f)プレグルーブの形成などを目的として使用される
。(a)の目的に対しては前記高分子材料およびシラン
カップリング剤などの種々の物質を用いることができ、
(b)、(C)の目的に対しては上記高分子材料以外に
無機化合物例えば5i02、MgF2.5iO1Ti0
2. ZnO,TiN、SiNなど、金属ま/ζは半金
14例えばZn、 Cu、 S、 Nj、 Cr、 G
e、 Se、Cd、Ag、 A/、などを用いることが
できる。(d)の目的に対しては金属例えばA1.、A
gなどまたは金属光沢を有する有機薄膜例えばメチン染
料、ギサンテン系染料などを用いることができそして(
e)。
Undercoat layer 3fi (a) improved adhesion, (b) barrier to water or gas, (C) improved storage stability of the recording layer, (
It is used for the purposes of d) improving reflectance, (e) protecting the substrate from solvents, and (f) forming pregrooves. For the purpose of (a), various substances such as the above-mentioned polymer materials and silane coupling agents can be used,
For the purposes of (b) and (C), inorganic compounds such as 5i02, MgF2.5iO1Ti0 may be used in addition to the above polymer materials.
2. Metals such as ZnO, TiN, SiN, etc. / ζ are semimetals 14 For example, Zn, Cu, S, Nj, Cr, G
e, Se, Cd, Ag, A/, etc. can be used. For the purpose of (d) metals such as A1. ,A
g, or an organic thin film having metallic luster, such as methine dyes, gysanthene dyes, etc., and (
e).

(f)の目的に対して紫外線硬化樹脂、熱硬化性樹脂、
熱可塑性イ討脂などを用いることができる。
For the purpose of (f), ultraviolet curing resins, thermosetting resins,
Thermoplastic resin or the like can be used.

下引層の膜厚は0.1〜30μm好ましくは0,2〜1
0μmがス免当である。また、保胸層4はキズ、ホコリ
、汚れなどからの保護および記録層の化学的安定性の向
上を目的として設けられ、その材料としては下引き層と
同じ材料を使用することができる。保股層の膜厚は0.
1μm以上好1しくは50μm以上が適当である。
The thickness of the subbing layer is 0.1 to 30 μm, preferably 0.2 to 1 μm.
0 μm is acceptable. Further, the chest retaining layer 4 is provided for the purpose of protecting the recording layer from scratches, dust, dirt, etc. and improving the chemical stability of the recording layer, and the same material as that of the undercoat layer can be used as the material thereof. The thickness of the protective layer is 0.
A suitable thickness is 1 μm or more, preferably 50 μm or more.

さらに、本発明による光情報記録媒体の別の4W成とし
ては、第1図ないし8i!4図に示した同4’+を成の
2枚の記録媒体(場合によりその1枚を基板のみとして
)を用い記録層2を内側に配置して密封したいわゆるエ
アーサンドインチ構造にしてもよいし1、保護層4を介
し、て接着したいわゆる密着サンドインチ構造(貼り合
せ構造)にしてもよい。
Further, as another 4W configuration of the optical information recording medium according to the present invention, FIGS. 1 to 8i! A so-called air sandwich structure may be used in which two recording media (in some cases, one of the recording media is used as only the substrate) are used, and the recording layer 2 is placed inside and sealed. 1. A so-called adhesion sandwich structure (bonded structure) in which the protective layer 4 is interposed and is bonded may also be used.

なお、レーザ光源として波長750〜850 nmの半
導体レーザを用いると装置の小型化が可能となる。
Note that if a semiconductor laser with a wavelength of 750 to 850 nm is used as the laser light source, the device can be made smaller.

〔実施例〕〔Example〕

以下に実施例を掲げて本発明をさらに説明するが、本発
明はこれに限定されるものではない。
The present invention will be further explained below with reference to Examples, but the present invention is not limited thereto.

実施例 1 厚さ1.2闘のポリメチルメタクリレート(以下、[P
MMA Jと略記)基板上に前記化合物例Fの1,2−
ジクロルエタン溶液を回転塗布して厚さ500大の記録
層を形成し記録媒体を作製した。
Example 1 Polymethyl methacrylate (hereinafter referred to as [P
(abbreviated as MMA J) 1,2- of the above compound example F on the substrate
A recording layer having a thickness of 500 mm was formed by spin coating a dichloroethane solution to produce a recording medium.

実施例 2 実施例1において前記化合物例Aを用いて記録層を形成
した以外には実施例1と同様にしてHe記録媒体作製し
/こ。
Example 2 A He recording medium was produced in the same manner as in Example 1 except that the recording layer was formed using Compound Example A.

実施例 ろ 実施例1で形成した記録層の上に官らに厚さ100″A
の鋏蒸着膜を設けて記録媒体を作製した。
Example A film with a thickness of 100"A was deposited on the recording layer formed in Example 1.
A recording medium was manufactured by providing a scissors-deposited film.

実施例 4 厚さ12闘のPMMA基板上に前記化合物例Aを真空蒸
着して厚さ500人の記録層を形成し記録媒体を作製し
た。
Example 4 Compound Example A was vacuum deposited on a PMMA substrate having a thickness of 12 mm to form a recording layer having a thickness of 500 mm, thereby producing a recording medium.

実施例 5 厚さ12朋のPl、、4MA基板上に前記化合物例Hと
下記一般式(Dの化合物とを1:1のM量比で混合した
1、2−ジクロルエタン溶液を回転塗布して厚さ500
人の記録層を形成し記録媒体を作製した。
Example 5 A 1,2-dichloroethane solution containing the compound H and a compound of the following general formula (D) mixed in a 1:1 ratio of M was spin-coated on a Pl, 4MA substrate with a thickness of 12 mm. Thickness 500
A human recording layer was formed to produce a recording medium.

実施例 6 厚さ1.2鴎のPMMA基板上に前記化合物例Hと下記
一般式(U)の化合物とを7=3の重用、比で混合した
1、2−ジクロルエタン溶液を回転塗布して厚さ300
Xの記録層を設けさらにその上に下記一般式(@の化合
物を厚さ2 D O大で真空蒸着して記録媒体を作製し
た。
Example 6 A 1,2-dichloroethane solution containing the compound example H and a compound of the following general formula (U) mixed in a ratio of 7=3 was spin-coated on a PMMA substrate with a thickness of 1.2 mm. Thickness 300
A recording medium was prepared by providing a recording layer of X and then vacuum-depositing a compound of the following general formula (@) to a thickness of 2 D O.

実施例 7 厚さ1.2酊のPMl、4A基板上に厚さ150λのT
e蒸着膜を設けさらにその上に前記化合物例工の1,2
−ジクロルエタン溶液を回転塗布し厚さ6ooXの記録
層を形成し記録媒体を作製17た。
Example 7 PMl with a thickness of 1.2mm, T with a thickness of 150λ on a 4A substrate
A vapor-deposited film is provided on which the compound examples 1 and 2 are further applied.
- A recording medium was prepared by spin-coating a dichloroethane solution to form a recording layer with a thickness of 6ooX.

上記実施例で作製した記録媒体に波長790nmの半導
体レーザ光を用いて基板側より書込みパワー2.25 
mW、記録周波& 0.5 M)IZ、 Wl速1.5
ffl/S e Cで情報を書込み再生し、そのスはク
トル解析(スキャニングフィルター、バンド幅50 K
Hz )を行なってC/Nを測定した。次に、同じ記録
媒体に541) 00ルツクスのタングステン光を50
時間照射した後のC/Nを測定した。その結果を以下の
表にまとめて示す。
A write power of 2.25 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.
mW, recording frequency & 0.5 M) IZ, Wl speed 1.5
ffl/S e C to write and reproduce information, and perform vector analysis (scanning filter, bandwidth 50K).
Hz) to measure C/N. Next, 541) 00 lux tungsten light was applied to the same recording medium.
C/N was measured after time irradiation. The results are summarized in the table below.

実施例1 ’58 35 2 44 42 3 48 4B 4 46 44 初 期 値 光照射50時間後 実施例5 56 55 6 52 50 7 56 54 〔効 果〕 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
以下の効果を奏することができる。
Example 1 '58 35 2 44 42 3 48 4B 4 46 44 Initial value After 50 hours of light irradiation Example 5 56 55 6 52 50 7 56 54 [Effect] The light of the present invention configured as described above The information recording medium can have the following effects.

1、 長波長レーザ(半導体レーザ)を用いても高感度
に記録できる。
1. Recording can be performed with high sensitivity even when using a long wavelength laser (semiconductor laser).

2、 良好な形状でビットを形成することが出来筒いC
A7!l″−得られる。
2. Can form bits with good shape C
A7! l″-obtained.

6、 熱および光に対する安定性が篩く、保存性に優れ
、再生劣化の少い記録体か得られる。
6. A recording medium with excellent stability against heat and light, excellent storage stability, and little reproduction deterioration can be obtained.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図ないし第4図は本発明の光情報記録媒体の構成を
示す断面図である。 1・・・基板、2・・・記録層、3・・・下引き層、4
・・・保護層・。 特許出願人 株式会社 リ コ −
1 to 4 are cross-sectional views showing the structure of the optical information recording medium of the present invention. DESCRIPTION OF SYMBOLS 1... Substrate, 2... Recording layer, 3... Undercoat layer, 4
...Protective layer. Patent applicant Rico Co., Ltd. −

Claims (1)

【特許請求の範囲】 一般式 (式中、 R1は水素、)・ロゲン、ヒドロキシル基、
カルボキシル基、置換もしくは未置換のアルキル、アリ
ール、アシル、アシルオキシ、アルコキシまたはアルケ
ニル基を表わし、R2は置換もしくは未置換のアルキル
、アラルキルまたはアルケニル基を表わしそしてMはN
1、C01Cu、λ4n、ptまたはPdを表わす)の
化合物を含む記録層を有することを特徴とする、光情報
記録媒体。
[Claims] General formula (wherein R1 is hydrogen), rogene, hydroxyl group,
represents a carboxyl group, a substituted or unsubstituted alkyl, aryl, acyl, acyloxy, alkoxy or alkenyl group, R2 represents a substituted or unsubstituted alkyl, aralkyl or alkenyl group, and M is N
1. An optical information recording medium comprising a recording layer containing a compound (representing C01Cu, λ4n, pt or Pd).
JP59104469A 1984-05-25 1984-05-25 Optical information recording medium Pending JPS60249143A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59104469A JPS60249143A (en) 1984-05-25 1984-05-25 Optical information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59104469A JPS60249143A (en) 1984-05-25 1984-05-25 Optical information recording medium

Publications (1)

Publication Number Publication Date
JPS60249143A true JPS60249143A (en) 1985-12-09

Family

ID=14381440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59104469A Pending JPS60249143A (en) 1984-05-25 1984-05-25 Optical information recording medium

Country Status (1)

Country Link
JP (1) JPS60249143A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5330542A (en) * 1990-05-25 1994-07-19 Mitsubishi Kasei Corporation Dye-incorporated composition
EP0822544A1 (en) * 1996-07-29 1998-02-04 Mitsui Toatsu Chemicals, Incorporated Optical recording medium
JPH1086517A (en) * 1996-09-19 1998-04-07 Konica Corp Optical recording medium employing metal complex methine coloring matter and recording method
JPH1090888A (en) * 1996-07-25 1998-04-10 Mitsubishi Chem Corp Photopolymerizable composition and photosensitive planographic printing plate using same
EP1008595A3 (en) * 1998-12-11 2000-11-29 Mitsui Chemicals, Inc. Olefin polymerization catalyst and process for olefin polymerization

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5330542A (en) * 1990-05-25 1994-07-19 Mitsubishi Kasei Corporation Dye-incorporated composition
JPH1090888A (en) * 1996-07-25 1998-04-10 Mitsubishi Chem Corp Photopolymerizable composition and photosensitive planographic printing plate using same
EP0822544A1 (en) * 1996-07-29 1998-02-04 Mitsui Toatsu Chemicals, Incorporated Optical recording medium
US5948593A (en) * 1996-07-29 1999-09-07 Mitsui Chemicals, Inc. Optical recording medium
US6060606A (en) * 1996-07-29 2000-05-09 Mitsui Chemicals, Inc. Dipyrromethene metal chelate compounds
JPH1086517A (en) * 1996-09-19 1998-04-07 Konica Corp Optical recording medium employing metal complex methine coloring matter and recording method
EP1008595A3 (en) * 1998-12-11 2000-11-29 Mitsui Chemicals, Inc. Olefin polymerization catalyst and process for olefin polymerization
US6451728B1 (en) 1998-12-11 2002-09-17 Mitsui Chemicals, Inc. Olefin polymerization catalyst and process for olefin polymerization

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