JPS61272191A - 記録材料 - Google Patents

記録材料

Info

Publication number
JPS61272191A
JPS61272191A JP60114733A JP11473385A JPS61272191A JP S61272191 A JPS61272191 A JP S61272191A JP 60114733 A JP60114733 A JP 60114733A JP 11473385 A JP11473385 A JP 11473385A JP S61272191 A JPS61272191 A JP S61272191A
Authority
JP
Japan
Prior art keywords
recording layer
metal
recording
surface tension
metallic
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
JP60114733A
Other languages
English (en)
Inventor
Shinichiro Obara
小原　信一郎
Kyoichi Naruo
成尾　匡一
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP60114733A priority Critical patent/JPS61272191A/ja
Priority to US06/868,126 priority patent/US4837127A/en
Publication of JPS61272191A publication Critical patent/JPS61272191A/ja
Pending legal-status Critical Current

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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
    • G11B7/243—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
    • 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
    • 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
    • G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
    • 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
    • G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
    • 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
    • G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/2432—Oxygen
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24324—Sulfur
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24326—Halides (F, CI, Br...)
    • 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
    • G11B7/254—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
    • G11B7/2548—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 inorganic materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/165—Thermal imaging composition

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • 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】 （産業上の利用分野） 本発明は、高密度エネルギーの−ｊｔ、を記録するため
の記録材料に関する。従来よりレーザ等の高密度エネル
ギーの元を記録する記録材料としては、銀塩感光材料の
ほかに、光照射の熱エネルギーによって融解、蒸発、凝
集、などの熱的変形を生ずる物質を記録層として用いる
ものが知られていた。
このよりな記録材料に記録する方法としては、一般に情
報を電気的信号に変換し、その信号に応じて変調された
レーザ元を照射して、情報を記録する方法が提案されて
いる。このよりな記録システムは、情報処理の迅速性や
、感材の経済性等の点で利点があり、使用される記録材
料としては、銀塩等の感光性記録材料と異なり、現像等
の後処理の必要のない、熱的（ヒートモード）記録を利
用する金属、染料、プラスチック等が適している。
しかもこれらの記録材料はリアルタイムに画像を得るこ
とができ、更にコストが安い。
（従来技術） このよりな記録材料において、高感度化のために、イン
ジウム等の金属中に、硫化ゲルマニウム等の金！Ｉ４硫
化物や、弗化マグネシウム等の金属弗化物及び酸化モリ
ブデン等の金ＦＡｔｌｊｅ化物を含有する記録層を用い
ることは特公昭５ｒ−３３／２０及び特公昭５ｒ−ｌｒ
３ｉり等に知られている。
（本発明の目的） 本出願は上記の発明の改良であり、その目的とするとこ
ろはピットエラーレートの低い即ち、記録信頼性の高い
記録材料を得ることにある。
ｊ！０ち、レーザー光による記録時に、照射部分の記録
層にビットが形成される最低のレーザーパワーを通常、
感度というが、ＳＣ度的には、ビットが形成されるレー
ザーパワーより高いレーザーパワーにおいてビットが形
成されない部分が散在するケースがある。これは、レー
ザーパワー自体は記録層を融解するのに充分であるにも
かかわらす、融解した記録の素材の引きがわるく記録ビ
ットが開きにぐく、レーザーパワーの除去により、同じ
位置で固化するためである。このよりな場合記録の信頼
性が低下してしまう。本発明はこのよりなピットエラー
を改善するものである。
（発明の構成） 上記の目的は、インジウムと、金属硫化物金属弗化物及
び金属酸化物から選ばれる少ぐとも／ｆｉの金属化合物
とを含有する記録層中に更に、融点から融点＋３０００
Ｃのｍ度範囲での表面張力が６ｏ　Ｏｄｙｎ　／ａｎ以
上の金属を官有させることにより達成される。（以下に
おいて表面張力はいずれも融点＋３ｏｏ　０ｃの温度範
囲における値をいう。）本発明に用いる表面張力がＡ　
ｏ　Ｏｄｙｎ　／ｃｒｎ　ＩＪ上の金属は下記のごとき
ものである。
Ａｇ　　　９２３ｄｙｎ／ｃｍ（タタｊ’ｃ）　　Ａｕ
Ｖ　　ＩＡり７　　　ｚ　　　（／９／２０ＣＩ　　Ｚ
ｎ／／２４′ｄｙｎ／ｃｍ（１０４３’Ｃ１７７４Ｌ　
　　ｚ　　　（乙ｏｏ　　ＯＣ）これらのうちより好ま
しいものは、表面張力１０　ｏ　Ｏｄｙｎ　／Ｃｍ以上
のものであり、その例としては例えばＣｏ、Ｃｕ、Ｍｏ
、Ｎｉ　、Ｖ、Ａｕ、Ｂｅ、Ｃｒ、Ｆｅ、Ｍｎ、Ｎｂ。
Ｐｄ及びＴｉ等があげられる。
これらの金属と併用する金属硫化物の例としては、Ｂと
してはＣｒＳ、Ｃｒ２８．Ｃｒ２８３．ＭｏＳ２＋Ｍｎ
Ｓ、ＦｅＳ、ＦｅＳ　　ＣｏＳ、Ｃｏ２５３．ＮｉＳ、
Ｎ１２Ｓ。
Ｆ　ｅ　Ｓ　＋　Ｆ　ｅ　ｂ　　Ｃｏ　Ｓ　＋　Ｃｏ　
２　Ｓ３　＊　Ｎ　ｉｂ　＋　Ｎ　ｔ　２　Ｓ　＋　Ｐ
　ｂ　Ｓｅ２曹 Ｃｕ　２　ｂ　ｌＡ　ｇ　２　Ｓ　＋　Ｚ　ｎ　Ｓ　ｒ
　Ｉ　ｎ　２　ｂ　３　ｇ　Ｉ　ｎ　２　ｂ　２　ｅ　
Ｇ　ｅ　Ｓ＋ＧｅＳ　　ＳｎＳ　ＳｎＳ　、ＰｂＳ、Ａ
ｓ２Ｓ３．Ｓｂ２Ｓ３及びＢｉ２５３ｓ金属弗化物との
例としてはＭｇＦ２＋Ｃａ　Ｆ　２及びＲｈＦ３、金属
酸化物としてはＩｎ２０ｔＩ　ｎ　２０３　＊　Ｇ　ｅ
　Ｏ及びＰｂＯ等がある。
これらのうち、好着しいのｈ　Ｇ　ｅ　ｂ　＋　Ｇ　ｅ
　Ｏ＋　ｂ　ｎ　ｂ　ｔＩｎ　Ｏ及びＩ　ｎ　２　Ｓ　
３である。
記録層中における金属化合物の含有量位、好ましくはｉ
ｏ、ｔｏｌ量％よシ好ましくは３０〜ｊ０１ｊｌｌｋＸ
Ｔある。表面張力が６　ｏ　ｏ　ｄｙｎ／ｃｒｎ　ＤＡ
上の金属の含有量は好ましくは０．／〜Ｊ０１）量％で
あシ、よジ好ましくは／〜？重量九である。
インジウムの含有量はｊ　Ｏ，ｌｒ　０重量％好ましく
はｔｏ、ｒｏ１７１量％である。これらの組成を有する
記録層は例えｄ上記３成分の共蒸着により支持体上に設
けられる。溶融状態で表面張力が１００ｄｙｎ／ｃｒＩ
ＬＤＪ上の金属の含有量を、支持体の近傍において、他
の部分における濃度より高くなるよりに、記録層中での
濃度勾配を持たせ次場合、より高／１［でよりピットエ
ラーレートの小さい記録材料を得ることができる、この
よりに濃度勾配を設けるには蒸着工程中に各成分の蒸着
量を変化させる。
支持体としては、ガラスおよびポリメチルメタアクリレ
ート、ポリカーボネート等のプラスチック等が用いられ
る。
実施例１ 直径３０ＣＩＩＥｘ厚み／、−２１）のポリメチルメタ
アクリレート支持体上に、Ｉｎ、Ａｕ及びＧｅＳをそれ
ぞれ重量％で６ｊ％、ｊ％及び３０Ｘかつ記録層の厚み
が３００人となるよりに共蒸着した。この際、Ａｕの蒸
発源に流れる加熱の交めの電流をコントロールし、Ａｕ
の濃度を支持体側で高く、記録層の表面に近つくにつれ
低くなるよりにした。
このよりにして得た本発明の試料ｋＡとじ几。
実施例コ 直径Ｊ　ＯＣｍ、厚み１．λ龍のポリメチルメタアクリ
レート支持体上にＩｎ、Ａｕ及びＧｅＳ’ｚそれぞれ重
量にで６ｊ％、ｊ％及び３０％かつ記録層の厚みがトー
タルで３０ＯＡとなるよりに共蒸着し友。この際、Ｉｎ
、Ａｕ、ＧｅＳの深さ方向への濃度分布は一定になるよ
りコントロールした。この試料をＢとし几。
比較例１ 実施例／において用いたものと同じ支持体上にＩｎとＧ
ｅ５１ｔそれぞれ重量％で７０％及び３０％かつ記録層
の淳みが３０ＯＡとなるよりに共蒸着した。このよりに
して得た試料をＣとした。
比較例λ 実施例１において用い次ものと同じ支持体上に、特公昭
ｊｌ−３３／２０号公報の試料ＡｉｏのＡＩ、Ｚｎ及び
Ｇｅ８ｉｊ−らなる記録／１）１ｋＡ１．Ｚｎ及びＧｅ
Ｓがそれぞれ重量丸で６！％、１％及び３０％かつ記録
層の厚みが３０ＯＡとなるよりに共蒸着した。この試料
をＤとし次っ 比較例３ 実施例１において用いたものと同一の支持体上にＩｎ、
溶融状態における表面張力が６００未満の金属であるＴ
ｅ及びＧｅ　Ｓ１＆：それぞれ重量％で６ｊ％、１％及
び３０９６かつ記録層の厚みが３００Ａとなるよりに共
蒸着し、試料Ｅと［７次。
これらＡ−Ｅの試料について、ＣａｒｒｉｏｒとＮｇｉ
ｓｅの出社ベルの比Ｔ　Ｃ／Ｎ比）が最大となる記録パ
ワー、その時のＣ／Ｎ比及び再生信号中のエラー信号の
割合即ちピットエラーレート（Ｂ。
Ｅ、Ｒ，Ｉ’ｉＮａｋａｍｉｃｈｉ　　Ｄｉｓｋ　　評
価装［０Ｍ５−ｉｏｏｏを使用して測定し友。測定条件
はｊｍ／ｓｅｃの線速で、１ｏｉｏ・・・・・・のλ値
情報を記録し、これをスペクトルアナライザーによりバ
ンド巾１０ＫＨｚで測定した。
結果′に第１表に示す。
第１表よシ、本発明の試料Ａ及びＢは、試料Ｃ２Ｄ及び
Ｅに比して、ピットエラーレートはいチチるしく小さく
、またＣ／Ｎ比も大きく、すぐれた記録材料であること
がわかる。。
特許出願人　富士フィルム株式会社 手続補正書 昭和６１年８月２８日

Claims (2)

    【特許請求の範囲】
  1. （１）支持体上に設けられた、高密度エネルギーの光照
    射により、蒸発およびまたは融解して被照射部分から除
    去される記録層中に、インジウムと、金属硫化物、金属
    弗化物及び金属酸化物から選ばれる少くとも１種の金属
    化合物とを含有する記録材料において、該記録層中に更
    に、表面張力がその融点から融点＋３００℃の温度範囲
    において６００ｄｙｎ／ｃｍ以上の金属を含有すること
    を特徴とする記録材料。
  2. （２）前記の表面張力がその融点から融点＋３００℃の
    温度範囲において６００ｄｙｎ／ｃｍ以上の金属の含有
    量が支持体に最も近い部分の記録層中において他の部分
    における濃度より高いことを特徴とする特許請求の範囲
    第１項記載の記録材料。
JP60114733A 1985-05-28 1985-05-28 記録材料 Pending JPS61272191A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60114733A JPS61272191A (ja) 1985-05-28 1985-05-28 記録材料
US06/868,126 US4837127A (en) 1985-05-28 1986-05-28 Recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60114733A JPS61272191A (ja) 1985-05-28 1985-05-28 記録材料

Publications (1)

Publication Number Publication Date
JPS61272191A true JPS61272191A (ja) 1986-12-02

Family

ID=14645268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60114733A Pending JPS61272191A (ja) 1985-05-28 1985-05-28 記録材料

Country Status (2)

Country Link
US (1) US4837127A (ja)
JP (1) JPS61272191A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0194545A (ja) * 1987-10-05 1989-04-13 Matsushita Electric Ind Co Ltd 光学式情報記録媒体

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5090008A (en) * 1988-02-05 1992-02-18 Tandy Corporation Erasable recording media
WO1990014657A1 (en) * 1989-05-25 1990-11-29 Tandy Corporation Recording media
US6467232B1 (en) 1997-12-11 2002-10-22 Ppg Industries Ohio, Inc. Method and apparatus for applying edge members to a window

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815319B2 (ja) * 1975-08-11 1983-03-24 富士写真フイルム株式会社 キロクザイリヨウ
DE2558529C2 (de) * 1974-12-28 1984-03-29 Fuji Photo Film Co., Ltd., Minamiashigara, Kanagawa Aufzeichnungsmaterial
US4188214A (en) * 1975-08-11 1980-02-12 Fuji Photo Film Co., Ltd. Recording material
JPS57208299A (en) * 1981-06-19 1982-12-21 Fuji Photo Film Co Ltd Recording method of optical information

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0194545A (ja) * 1987-10-05 1989-04-13 Matsushita Electric Ind Co Ltd 光学式情報記録媒体
JPH0530393B2 (ja) * 1987-10-05 1993-05-07 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
US4837127A (en) 1989-06-06

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