JPS58121153A - 光学式情報媒体 - Google Patents

光学式情報媒体

Info

Publication number
JPS58121153A
JPS58121153A JP57003837A JP383782A JPS58121153A JP S58121153 A JPS58121153 A JP S58121153A JP 57003837 A JP57003837 A JP 57003837A JP 383782 A JP383782 A JP 383782A JP S58121153 A JPS58121153 A JP S58121153A
Authority
JP
Japan
Prior art keywords
recording material
material layer
optical information
information medium
layer
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
JP57003837A
Other languages
English (en)
Inventor
Yasuyuki Goto
康之 後藤
Nagaaki Etsuno
越野　長明
Hironori Goto
後藤　広則
Koichi Ogawa
小川　紘一
Seiya Ogawa
小川　清也
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP57003837A priority Critical patent/JPS58121153A/ja
Priority to EP83300121A priority patent/EP0083991A3/en
Publication of JPS58121153A publication Critical patent/JPS58121153A/ja
Pending legal-status Critical Current

Links

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
    • G11B7/252—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
    • G11B7/254—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 protective topcoat layers
    • G11B7/2542—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 protective topcoat layers consisting essentially of organic 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
    • G11B7/242—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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • 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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B7/2572—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of organic materials

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 囚　発明の独術分野 本発明は光ティスフ鉄ｗ１に用いる情報媒体に関する０ 但）　技術の背景 慣轍処煽システムにおける処理ｔＰｔ繍霞０増大に伴い
、特に−儂処虐およびオフィスオートメーシ璽ン等の分
野において、記憶容量が大きく且つアクセス時間の短い
配録装置の実用化が望まれているＯ このような甲にあって、光ティスフ装置とくに清報の誉
込みＫおり′ｒは光を照射し皮定位置を局部的に加熱し
浴融もしくは島籟させることによって孔を形成し、悄轍
の成域りにおいては）５Ｔ足位置に光を照射し反射光も
しくは坊遇光を慣知丁ゐ方式の元ティスク装雀は磁気テ
ィスフ装置に比し記憶容量のみならず価格の面において
も特にすぐねており、−１８己用迩に最適のｎｆ健装置
として期待さｔ」でいる。
（Ｃ１健米蚊何の間廟点 上記光ティスフ装置に用いられる光学式情報媒体は、基
本的にｔｔＩｋ叡上に熱浴融性の記録材料層を＃増等の
手段によりて形成したものであるか光の照射によりて浴
融できることのほか、＠壇的化学的に安定できること、
％に＠湿性がすぐれていることが鳳蛍とばれている・こ
の走め、従来、記録材料層に曹・ロジウム等の責合ＭＩ
４またはこれらの合金を用いるか、あるいはテルル・ビ
スマス等を記録材料層としその上に酸化シリコン・アル
ｉナ・ポリ塩化ビニテン・弗素系樹脂等の保１１膜を設
ける轡の４ＩＩ案がなされている。
こねらのうち、金・ロジウム等の貴会ｌＩ４は高価であ
ることのほか融点が高くしたかりて情報書込み＃に度が
低く、合金は湿度によりて光の反射皐・透過率あるＬｎ
Ｆｉ牧収率が便化するなめ情＠読取シにおけるＳＮ比お
よび感度が低く、テルル・ビスフス尋の記録材料層を用
いその上に保護膜として酸化シリコン・アルｉナ・ポリ
塩化ビニデンｅ弗集樹脂等の保賎膜を設けた光学式情報
媒体においては、酸化シリコンやアルｉナ等は情＠書込
み時に発生する熱によりてクラックを生じ、したがって
保−換の機能を低下させるほかＳＮ比を低下させ、その
うえ溶融した配録材料の流動を妨けて孔の形成を囲動に
し、したがって情＊ｔｉｉｔ込み感度を低下させている
＠また、ポリ塩化ビニテンや弗化を高めるという間軸が
ある〇 ０））　　発明の目的 本発明は前記従来例における間融の解決、すなわち熱歪
等によってクラックを生ずることがなく、浴融した配録
材料の流動を妨げず且つ製造コストの低い防湿保護膜を
備えた光学式情報媒体を得ることを目的とする。
（ト）発明の構成 不発明はガラス・アクリルＩＭ脂等の基叡上に形成した
テルル等の記録材料層に光ビームを照射し記録材料層に
孔等を形成することＫよりて情報の書込みをおこなう光
学式情報線体においては、記録材料層に防湿保Ｓ！膜と
して一フターシアニン等のポルフィン形化合物の被覆を
設けたものである＠顛　発明の実施例 以下実施例について説明する。纂１図は不発明−実施例
である光学情報媒体の断面図であり、−において、１は
犀さ１ｍｍのアクリルｗ脂製の透明な基板、２は基板ｌ
の上はテルルを３ｏｏＸの厚さに蒸着して形成した記録
材料層、３は記録材料層２の上に一フタロシアニンを３
ｏｏＸの厚濾に詠溜して形成した＃種である。
このように自フタロシアニンの被−３は蒸着によりて形
成することが可能であり、し六がって四−〇詠−７Ｉｉ
＆置を用いて記録材料層２と被！１ｔ３を連続して薫看
することができる。
一７タロシアニン（第２図に構造式を示す）は熱歪等に
よってクラックを生じ難く化学的にも安達であシと〈Ｋ
防湿性がすぐねでいる０上記実施例の光学式情報媒体を
温Ｆｔ６０Ｃ，相対湿度９０％の雰囲気中ｌｃおいて朗
湿試験をおこなったところ、約１００時間後に透過率が
約３，５ｓＫ達してほぼ飽和し、艶に１００時間経過し
たあとにおいても透２１！ｉ率の上昇はほとんど見られ
なかりｆＣ。
一フタロシアニンはまた、テルルの融点が４５℃である
のく対し４３０℃において昇華する。このため記録材料
層２に光ビームを照射して孔を形成するとき浴融したテ
ルルの流動が妨けられず、したがってＴｌＩｒ報の書込
み感度が島く、また形状が整い且つ均一な孔が得らねる
ので読取りにおけるＳＮ比が向上する。
Ｇ）＠明の効果 以上実に？！ｌＫよって説明したように不発明によれば
物理的化学的に安定であり、督込み感厩およびＷｆｅ取
りＳＮ比が尚く、且つ製造コストの低い防湿被覆を備え
た光学式情報媒体を得ることができるＯ なお、上記実施例は記録材料層の一力の面にのみポルフ
ィン形化合物の被覆を設けているが、他方の面すなわち
、ｊ＆板と書する１！ＩＫも設けることによって差板側
からの水分の浸透をも防止することができる０
【図面の簡単な説明】
第１図は不発明の一実施例の断面図を示し、１は基板、
２は記録材料層、：ｌｔ被伽である。また第２図は被覆
として用いる一７タロシアニンの構造式を示す。

Claims (1)

  1. 【特許請求の範囲】 （１１ａｔ板上に形威しｆｃ記録材料層に光ビームを照
    射し＆ｆ配配材材料層物理的変化を生ぜしめることによ
    つて情味の誉込みをおこなう光学式情報媒体において、
    前に記録材料層の少なくとも一方の面にポルフィン形化
    合物の被覆を設けたことをＩＪｇｆｇＩ。 とする光字式情４１１媒体０ （２）１録材料はテルルでありポルフィン彬化合物は−
    フタロシアニンであることを特徴とする特許請求の範囲
    一１積記載の光学式情報媒体０
JP57003837A 1982-01-13 1982-01-13 光学式情報媒体 Pending JPS58121153A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57003837A JPS58121153A (ja) 1982-01-13 1982-01-13 光学式情報媒体
EP83300121A EP0083991A3 (en) 1982-01-13 1983-01-11 Optical type information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57003837A JPS58121153A (ja) 1982-01-13 1982-01-13 光学式情報媒体

Publications (1)

Publication Number Publication Date
JPS58121153A true JPS58121153A (ja) 1983-07-19

Family

ID=11568290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57003837A Pending JPS58121153A (ja) 1982-01-13 1982-01-13 光学式情報媒体

Country Status (2)

Country Link
EP (1) EP0083991A3 (ja)
JP (1) JPS58121153A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074135A (ja) * 1983-09-29 1985-04-26 Nippon Columbia Co Ltd 光情報記録媒体
JPS62266748A (ja) * 1986-05-02 1987-11-19 ドレクスラ−・テクノロジイ・コ−ポレ−シヨン 光学デ−タ記憶媒体
EP0325742A2 (en) * 1988-01-22 1989-08-02 Mitsubishi Kasei Corporation Phthalocyanine compound and optical recording material using it

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143992A1 (en) * 1983-11-02 1985-06-12 Ricoh Company, Ltd Optical information recording medium
US4599298A (en) * 1984-07-16 1986-07-08 Minnesota Mining And Manufacturing Company Graphic arts imaging constructions using vapor-deposited layers
DE3507379A1 (de) * 1985-03-02 1986-11-06 Basf Ag, 6700 Ludwigshafen Optisches aufzeichnungsmedium
US5248584A (en) * 1986-09-03 1993-09-28 Canon Kabushiki Kaisha Optical card and method for reading information recorded in it
DE3788477D1 (de) * 1986-09-03 1994-01-27 Canon Kk Optische Karte und Verfahren zu ihrer Herstellung.
JP2542647B2 (ja) * 1987-11-23 1996-10-09 太陽誘電株式会社 光情報記録媒体
JPH0341640A (ja) * 1989-07-10 1991-02-22 Sanyo Electric Co Ltd 光記録媒体
US11999928B2 (en) 2009-11-13 2024-06-04 Novozymes A/S Brewing method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5597033A (en) * 1979-01-15 1980-07-23 Philips Nv Optical recording element and method of recording optical information
JPS56154087A (en) * 1980-04-30 1981-11-28 Fujitsu Ltd Medium for optical recording
JPS57151397A (en) * 1981-03-17 1982-09-18 Ricoh Co Ltd Optical information recording medium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2066489B (en) * 1979-11-29 1983-10-19 Rca Corp Ablative optical recording medium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5597033A (en) * 1979-01-15 1980-07-23 Philips Nv Optical recording element and method of recording optical information
JPS56154087A (en) * 1980-04-30 1981-11-28 Fujitsu Ltd Medium for optical recording
JPS57151397A (en) * 1981-03-17 1982-09-18 Ricoh Co Ltd Optical information recording medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074135A (ja) * 1983-09-29 1985-04-26 Nippon Columbia Co Ltd 光情報記録媒体
JPS62266748A (ja) * 1986-05-02 1987-11-19 ドレクスラ−・テクノロジイ・コ−ポレ−シヨン 光学デ−タ記憶媒体
EP0325742A2 (en) * 1988-01-22 1989-08-02 Mitsubishi Kasei Corporation Phthalocyanine compound and optical recording material using it

Also Published As

Publication number Publication date
EP0083991A2 (en) 1983-07-20
EP0083991A3 (en) 1984-02-08

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