JP4137771B2 - 光情報記録媒体および新規オキソノール化合物 - Google Patents
光情報記録媒体および新規オキソノール化合物 Download PDFInfo
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- JP4137771B2 JP4137771B2 JP2003386222A JP2003386222A JP4137771B2 JP 4137771 B2 JP4137771 B2 JP 4137771B2 JP 2003386222 A JP2003386222 A JP 2003386222A JP 2003386222 A JP2003386222 A JP 2003386222A JP 4137771 B2 JP4137771 B2 JP 4137771B2
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- 0 C[C@@](*)(C(CC1)C=CC1C1C=CC(CC(*2)C(C3)C2CCC3C2C=CC=CC2)*C1)c1cc(-c2c[o]cc2)ccc1C* Chemical compound C[C@@](*)(C(CC1)C=CC1C1C=CC(CC(*2)C(C3)C2CCC3C2C=CC=CC2)*C1)c1cc(-c2c[o]cc2)ccc1C* 0.000 description 4
- XDTMQSROBMDMFD-UHFFFAOYSA-N C1CCCCC1 Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
- C09B23/08—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
- C09B23/083—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines five >CH- groups
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/0075—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being part of an heterocyclic ring
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B69/00—Dyes not provided for by a single group of this subclass
- C09B69/02—Dyestuff salts, e.g. salts of acid dyes with basic dyes
- C09B69/04—Dyestuff salts, e.g. salts of acid dyes with basic dyes of anionic dyes with nitrogen containing compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Description
そして光ディスクへの情報の記録は、近赤外域のレーザ光(通常780nm付近の波長のレーザ光)を照射して記録層を局所的に発熱変形させることにより行われる。一方情報の読み取り(再生)は通常、記録用のレーザ光と同じ波長のレーザ光を照射して、記録層が発熱変形された部位(記録部分)と変形されない部位(未記録部分)との反射率の違いを検出することにより行われている。
一般式(2)
一般式(2)
一般式(2)のR11、R12、R13、R14はそれぞれ独立に水素原子、置換または無置換のアルキル基、置換または無置換のアリール基、および置換または無置換のヘテロ環基のいずれかを表す。R11、R12、R13、R14で表される置換または無置換のアルキル基としては、炭素数が1〜20のアルキル基(例えば、メチル、エチル、プロピル、ブチル、i−ブチル、t−ブチル、i−アミル、シクロプロピル、シクロヘキシル、べンジル、フェネチル)が挙げられる。また、R11、R12、R13、R14が各々アルキル基を表す場合には、それらが互いに連結して炭素環(例えばシクロプロピル、シクロブチル、シクロペンチル、シクロヘキシル、2−メチルシクロヘキシル、シクロヘプチル、シクロオクチルなど)または複素環(例えばピペリジル、クロマニル、モルホリルなど)を形成していてもよい。R11、R 12、R13、R14で表されるアルキル基として好ましくは、炭素数1〜8の、鎖状アルキル基または環状アルキル基であり、最も好ましくは炭素数1〜5の鎖状(直鎖状または分岐鎖状)アルキル基、R11とR12およびR13とR14がそれぞれ結合して環をなした炭素数1〜8の環状アルキル基(好ましくはシクロヘキシル環)、炭素数1〜20の置換アルキル基(例えば、ベンジル、フェネチル)である。
mが0であり、R21、R22が両方とも水素原子であることが好ましい。また、mが1であり、R21、R22、R3 がいずれも水素原子であることが好ましい。
ZX+で表される陽イオンとして好ましくは、オニウムイオンであり、より好ましくは第4級アンモニウムイオンであり、更に好ましくは、特開2000−52658号公報の一般式(I−4)で表される4,4'−ビピリジニウム陽イオンおよび特2002−59652号公報に開示されている4,4'−ビピリジニウム陽イオンである。一般式(2)においてxは1または2が好ましい。
一般式(3)〜(5)で表される色素は国際公開第02/080161号、特開63−209995号、特開平2−62279号等の特許文献に記載のものが用いられうる。
記録層には、更に耐光性を向上させるための種々の褪色防止剤を含有することができる。褪色防止剤の代表例としては、特開平3−224793号公報に記載の一般式(III)、(IV)もしくは(V)で表される金属錯体、ジインモニウム塩、アミニウム塩や特開平2−300287号公報や特開平2−300288号公報に示されているニトロソ化合物、特開平10−151861号公報に示されているTCNQ誘導体などを挙げることができる。
[実施例]
本発明の化合物の合成は、上記スキームに従って行った。
[連結部(化合物(1−I))の合成]
1,4−シクロヘキサジオン(22.43g, 0.2mol)とマロン酸(41.62g, 0.4mol)を無水酢酸(85ml)に溶解させ、濃硫酸(7.0ml, 0.12mol)を加えて氷浴中で攪拌した。反応が進行するに伴い薄茶色の結晶が析出したのでこれをろ別し、氷冷した蒸留水で洗浄後乾燥して化合物1−Iの薄茶色結晶8.8 g (収率15.5 %)を得た。
[色素部(化合物(3−II))の合成]
無水酢酸(10ml)にマロン酸(5.2g, 0.05mol)と濃硫酸(0.5ml)を加え、室温で攪拌しながら原料化合物を完全に溶解させた後、氷浴中で冷却しながら4−エチルシクロヘキサノン(6.31g, 0.05mol)をゆっくりと滴下した。氷浴中で攪拌を続けたところ、反応の進行に伴って無色の結晶が析出したため、これをろ別し、蒸留水で洗浄後乾燥して、メルドラム酸誘導体の無色結晶9.0g(収率85.1 %)を得た。得られたメルドラム酸誘導体(4.25g, 0.02mol)とN,N'−1,3−ペンタジエン−1−イル−5−イリデンジアニリン塩酸塩(5.70g,0.02mol)をメタノール(50ml)に溶解させ、トリエチルアミン(3.04g, 0.03mol)を加えて室温で攪拌を続けたところ、紫色の結晶が析出したので、これをろ別し、メタノールで洗浄して化合物(3−I)に相当する紫色結晶5.61g(収率76.3%)を得た。この紫色結晶(4.40g、 12.0mmol)と上記合成例に示した化合物(1−I)(1.71g, 6.0mmol)をジメチルホルムアミド(20ml)に溶解させ、トリエチルアミン(1.82g、18mmol)を滴下して50℃で4時間攪拌したのち、反応溶液に蒸留水を加え、酢酸エチルで抽出した。抽出した有機層はシリカゲルカラムクロマトグラフィー(ジクロロメタン/メタノール=6/1)により精製し、化合物(3−II)に相当する紫色粉末2.0g(収率39.5%)を得た。
[色素化合物の合成]
上記で合成した紫色粉末(1.24g、1.48mmol)を、これを溶解させる最少量のジメチルホルムアミドに溶解させ、対陽イオンに用いる化合物Cを添加して室温で攪拌した。攪拌を続けたところ、金色粉末が析出したためこれをろ過し、化合物(3)の金色粉末0.95g(収率48.3%)を得た。
1H NMR(DMSO‐d6):0.84(t, 6H), 1.20(m, 10H), 1.62(m, 8H), 1.96〜2.14(m, 12H), 7.11(m, 4H), 7.24(d, 2H), 7.34〜7.77(m, 18H), 7.90(d, 2H), 9.00(d, 4H), 9.65(d, 4H),10.71(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりにシクロヘキサノンを用いて合成を行い、スキーム(3)のシルカゲルカラムクロマトグラフィーを用いた精製により、化合物(1)の色素アニオンに相当する化合物と化合物(13)または化合物(14)の色素アニオンに相当する化合物を分離した。得られた各色素アニオンに相当する化合物はスキーム(4)に従って対塩化を行い、化合物(1)、化合物(13)および化合物(14)を合成した。
化合物(1)の1H NMR(DMSO‐d6):1.40(s,4H),1.54(s,8H),1.83(s,8H),1.98(s,8H),7.09〜7.79(m,24H),7.92(s,2H),9.00(s,4H),9.69(s,4H)
化合物(13)の1H NMR(DMSO‐d6):1.41(s,4H),1.53(s,8H),1.82(s,8H),1.98(s,24H),7.13(t,8H),7.27(d,4H),7.38〜7.79(m,40H),7.91(s,4H),9.01(d,8H),9.67(d,8H),10.74(s,4H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりに4−メチルシクロヘキサノンを用いた以外は、実施例1と同様にして化合物(2)を合成した。
1H NMR(DMSO‐d6):0.91(d, 6H), 1.20(q, 4H), 1.47(s, 2H), 1.65(m, 8H), 2.01(m, 12H), 7.10(q, 4H), 7.28(d, 2H), 7.39〜7.86(m, 18H), 7.89(s, 2H), 9.01(d, 4H), 9.67(d, 4H),10.71(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりにメントンを用いた以外は、実施例1と同様にして化合物(4)を合成した。
1H NMR(DMSO‐d6):0.81(t, 12H), 0.90(d, 8H), 1.21(t, 2H), 1.41(s, 4H), 1.61(t, 4H), 1.72(d, 2H), 1.97(s, 8H), 2.18(d, 4H), 7.12(q, 4H), 7.24(d, 2H), 7.38〜7.78(m, 18H),7.90(s, 2H), 9.01(d, 4H), 9.68(d, 4H), 10.71(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりに3,3,5−トリメチルシクロヘキサノンを用いた以外は、実施例1と同様にして化合物(5)を合成した。
1H NMR(DMSO‐d6):0.89(t, 12H), 0.97(s, 6H), 1.19(t, 2H), 1.40(m, 4H), 1.89〜1.98(m, 16H), 7.11(m, 4H), 7.26(d, 2H), 7.40(d, 2H), 7.49(m, 6H), 7.60(t, 4H), 7.70(m, 6H),7.90(s, 2H), 9.00(s, 4H), 9.67(s, 4H), 10.72(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりにメチルエチルケトンを用いた以外は、実施例1と同様にして化合物(6)を合成した。
1H NMR(DMSO‐d6):0.95(t, 6H), 1.53(s, 6H), 1.81(t, 4H), 1.99(s, 8H), 7.11(q, 4H), 7.26(d, 2H), 7.39〜7.77(m, 18H), 7.89(s, 2H), 9.00(d, 4H), 9.67(d, 4H), 10.69(s, 2H)
1H NMR(DMSO‐d6):1.10(s, 18H), 1.51(s, 6H), 1.98(s, 8H), 7.14(q, 4H), 7.28(d, 2H), 7.38〜7.78(m, 18H), 7.90(s, 2H), 9.01(d, 4H), 9.79(d, 4H), 10.71(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりに2‐メチル‐3‐ペンタノンを用いた以外は、実施例1と同様にして化合物(8)を合成した。
1H NMR(DMSO‐d6):0.90(m, 18H), 1.83(q, 4H), 2.00(s, 8H), 2.15(m, 2H), 7.11(q, 4H), 7.26(d, 2H), 7.38〜7.75(m, 18H), 7.90(s, 2H), 9.01(d, 4H), 9.68(d, 4H), 10.70(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりにジエチルケトンを用いた以外は、実施例1と同様にして化合物(9)を合成した。
1H NMR(DMSO‐d6):0.85(t, 12H), 1.84(q, 8H), 2.00(s, 8H), 7.11(q, 4H), 7.26(d, 2H), 7.32〜7.78(m, 18H), 7.89(s, 2H), 9.00(d, 2H), 9.66(d, 2H), 10.70(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりに2−ペンタノンを用いた以外は、実施例1と同様にして化合物(10)を合成した。
1H NMR(DMSO‐d6):0.90(t,6H), 1.39(m, 4H), 1.45(s, 6H), 1.77(m, 4H), 1.98(s, 8H), 7.10(q, 4H), 7.27(d, 2H), 7.40〜7.80(m, 18H), 7.91(s, 2H), 9 05(d, 4H), 9.65(d, 4H),10.72(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりに3−メチルシクロヘキサノンを用いた以外は、実施例1と同様にして化合物(11)を合成した。
1H NMR(DMSO‐d6):0.98(m,8H), 1.28(t, 2H), 1.50〜1.65(m, 10H), 1.96〜2.0 8(m, 12H), 7.11(m, 4H), 7.25(d, 2H), 7.38〜7.73(m, 18H), 7.90(s, 2H), 9.00(s, 4H), 9.66(s, 4H),10.70(s, 2H)
実施例1に示した化合物(3)の合成法において、4−エチルシクロヘキサノンを用いる替わりにシクロヘキサノンを、N,N'−1,3−ペンタジエン−1−イル−5−イリデンジアニリン塩酸塩を用いる替わりに、3−メチル−N,N'−1,5−ヘプタジエン−1−イル−7−イリデンジアニリン塩酸塩用いた以外は、実施例1と同様にして化合物(12)を合成した。
1H NMR(DMSO‐d6):1.41(s,4H),1.58(s,8H),1.82(s,8H),1.99(s,8H),2.17(s,6H),7.24〜7.48(m,12H),7.69〜7.99(m,12H),9.00(s,4H),9.68(s,4H),10.71(s,2H)
本発明の色素化合物の光学特性(複素屈折率の実部nと虚部k)は、反射型分光エリプソメトリー法によりその値を評価した。分光エリプソメトリーに用いた光学特性評価用の試料にはガラス基板上に製膜したスピンコート膜を用いた。このスピンコート膜は、溶液濃度が25mMとなるように各化合物を2,2,3,3,‐テトラフルオロプロパノールに溶解させ、この溶液を回転するガラス基板上にキャストすることで作製した。
比較例として、1倍速記録において良好な記録特性を有する下記構造の比較化合物(1)を用い、スピンコート膜を作製した。なお、比較化合物(1)は特開2002−249674号公報中のI−94に相当する。
比較化合物(1)
射出成形にて、ポリカーボネート樹脂を、スパイラル状のグルーブ(深さ130nm、幅310nm,トラックピッチ0.74μm)を有する厚さ0.6mm、直径120mmの基板に成形した。
本発明の色素化合物(6)1.25gを2,2,3,3−テトラフルオロプロパノール100mlに溶解した塗布液を調製し、この塗布液を、スピンコート法により上記基板のグルーブが形成面上に塗布し、色素層を形成した。
次に、それぞれの色素塗布面上に銀をスパッタして膜厚約150nmの反射層を形成した後、紫外線硬化樹脂(ダイキュアクリアSD640 大日本インキ化学工業製)を接着剤として用いて0.6mm厚のダミー基板と貼り合わせてディスクを作成した。
(比較例1)
色素化合物(6)の代わりに前述の比較化合物(1)を用いた以外は、実施例14と全く同様な方法でディスクを作成した。
(比較例2)
色素化合物(6)の代わりに前述の比較化合物(1)と下記比較化合物(2)とを6:4の比率で混合して用いた以外は、実施例14と全く同様な方法でディスクを作成した。なお、比較化合物(2)は特開2002−249674号公報中のI−96に相当する。
[光記録媒体の評価]
DDU1000およびマルチシグナルジェネレータ(パルステック社製。レーザー波長=660nm、開口率=0.60)を用いて、転送レート1倍速(11.08Mbps)、8倍速(88.64M)、10倍速(110.8Mbps)で8−16変調信号を記録した。
使用した記録ストラテジは、表2に示した。1倍速記録、10倍速記録は1種類、8倍速記録はパルス幅の大きく異なる2種類で記録を行った。
記録パワーは、それぞれの媒体で、ジッターが最も小さくなる記録パワーに設定した。その後、記録レーザー波長と同波長のレーザーを用いて再生し、ジッタを測定した。結果を表3に示す。
実施例は比較例より1倍速、8倍速、10倍速ともにジッタが低く、反射率も高い。
また、8X記録特性では、パルス幅の大きく異なる記録ストラテジで、いずれも実施例の方が良好なジッタが得られた。更に、12倍速及び16倍速相当で、3T及び14Tの単一周波信号を記録したところ、1倍速〜10倍速と同等のC/N比、変調度、ジッタが得られた。これは、少なくとも10〜16倍速相当、もしくはこれ以上の記録速度でも、良好な特性が得られることを示している。
(表2)記録ストラテジ
Claims (4)
- 下記一般式(2)で表される色素を含有することを特徴とする光情報記録媒体。
一般式(2)
[式中、R 11 、R 12 、R 13 、R 14 はそれぞれ独立に水素原子、置換または無置換のアルキル基、置換または無置換のアリール基、および置換または無置換のヘテロ環基のいずれかを表し、R 21 、R 22 、R 3 は水素原子、置換または無置換のアルキル基、置換または無置換のアルコキシ基、置換または無置換のアリール基、置換または無置換のアリールオキシ基、置換または無置換のヘテロ環基、ハロゲン原子、カルボキシル基、置換または無置換のアルコキシカルボニル基、シアノ基、置換または無置換のアシル基、置換または無置換のカルバモイル基、アミノ基、置換アミノ基、スルホ基、ヒドロキシル基、ニトロ基、置換または無置換のアルキルスルホニルアミノ基、置換または無置換のアリールスルホニルアミノ基、置換または無置換のカルバモイルアミノ基、置換または無置換のアルキルスルホニル基、置換または無置換のアリールスホニル基、置換または無置換のアルキルスルフィニル基、置換または無置換のアリールスルフィニル基および置換または無置換のスルファモイル基のいずれかを表す。mは0以上の整数を表し、mが2以上の場合は複数のR 3 は同じでも異なってもよい。 Z X+ は陽イオンを表し、xは1以上の整数を表す。] - トラックピッチ0.6〜0.9μm のプレグルーブが形成された、直径が120±3mmもしくは直径が80±3mmで、厚みが0.6±0.1mmの透明な円盤状基盤の該プレグルーブが設けられた側の表面に請求項1に記載の色素を含む記録層が設けられてなる二枚の積層体を、それぞれの記録層が内側となるように接合して厚さが1.2±0.2mmとなることを特徴とするヒートモード型の請求項1に記載の情報記録媒体。
- トラックピッチ0.6〜0.9μm のプレグルーブから形成された、直径が120±3mm或いは直径が80±3mmで、厚みが0.6±0.1mmの透明な円盤状基盤の該プレグルーブが設けられた側の表面に請求項1に記載の色素を含む記録層が設けられてなる積層体と円盤状保護板とを、記録層が内側となるように接合した厚さが1.2±0.2mmとなることを特徴とするヒートモード型の請求項1に記載の情報記録媒体。
- 下記一般式(2)で表されるオキソノール化合物。
一般式(2)
[式中、R11、R12、R13、R14はそれぞれ独立に水素原子、置換または無置換のアルキル基、置換または無置換のアリール基、および置換または無置換のヘテロ環基のいずれかを表し、R21、R22、R3は水素原子、置換または無置換のアルキル基、置換または無置換のアルコキシ基、置換または無置換のアリール基、置換または無置換のアリールオキシ基、置換または無置換のヘテロ環基、ハロゲン原子、カルボキシル基、置換または無置換のアルコキシカルボニル基、シアノ基、置換または無置換のアシル基、置換または無置換のカルバモイル基、アミノ基、置換アミノ基、スルホ基、ヒドロキシル基、ニトロ基、置換または無置換のアルキルスルホニルアミノ基、置換または無置換のアリールスルホニルアミノ基、置換または無置換のカルバモイルアミノ基、置換または無置換のアルキルスルホニル基、置換または無置換のアリールスホニル基、置換または無置換のアルキルスルフィニル基、置換または無置換のアリールスルフィニル基および置換または無置換のスルファモイル基のいずれかを表す。mは0以上の整数を表し、mが2以上の場合は複数のR3は同じでも異なってもよい。 ZX+は陽イオンを表し、xは1以上の整数を表す。]
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| JP (1) | JP4137771B2 (ja) |
| DE (1) | DE60326305D1 (ja) |
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|---|---|---|---|---|
| JP2003039831A (ja) * | 2001-08-01 | 2003-02-13 | Fuji Photo Film Co Ltd | 光情報記録媒体および新規イモニウム化合物 |
| JP4137771B2 (ja) * | 2002-11-29 | 2008-08-20 | 富士フイルム株式会社 | 光情報記録媒体および新規オキソノール化合物 |
| JP2005100600A (ja) * | 2003-09-01 | 2005-04-14 | Fuji Photo Film Co Ltd | 光記録媒体 |
| TWI301973B (en) * | 2003-12-08 | 2008-10-11 | Fujifilm Corp | Optical-information recording method |
| CN100351933C (zh) * | 2004-04-22 | 2007-11-28 | Tdk股份有限公司 | 光记录媒体 |
| EP1776410A4 (en) * | 2004-05-28 | 2010-06-02 | Fujifilm Corp | NEW OXONOL COMPOUND AND MANUFACTURING METHOD THEREFOR |
| US20080090174A1 (en) * | 2004-06-23 | 2008-04-17 | Hisashi Mikoshiba | Novel Oxonol Dye Compounds and Optical Information Recording Medium |
| TW200639848A (en) * | 2005-02-01 | 2006-11-16 | Fuji Photo Film Co Ltd | Optical information recording medium and manufacturing method thereof |
| TW200705436A (en) * | 2005-06-29 | 2007-02-01 | Fujifilm Corp | Optical information-recording medium and information-recording method |
| JP2007050678A (ja) * | 2005-07-21 | 2007-03-01 | Fujifilm Corp | 光情報記録媒体、画像記録方法及び色素の利用方法 |
| TW200710557A (en) * | 2005-09-09 | 2007-03-16 | Ind Tech Res Inst | Optic recording medium and polymethine complex used for the same |
| WO2007055273A1 (ja) | 2005-11-11 | 2007-05-18 | Fujifilm Corporation | カチオン化合物、色素化合物およびその使用方法、ならびに光情報記録媒体 |
| US7718242B2 (en) * | 2006-01-10 | 2010-05-18 | Industrial Technology Research Institute | Organic dyes for recording layer and high density optical recording medium using the same |
| JP2008018590A (ja) * | 2006-07-12 | 2008-01-31 | Fujifilm Corp | 光情報記録媒体及びその製造方法 |
| JP2008273122A (ja) * | 2007-05-02 | 2008-11-13 | Fujifilm Corp | 光情報記録媒体および情報記録方法 |
| US7781044B2 (en) * | 2007-09-05 | 2010-08-24 | Industrial Technology Research Institute | Organic compound for recording layer for high speed recording of information and optical recording medium including the same |
| JP5395022B2 (ja) * | 2010-09-29 | 2014-01-22 | 富士フイルム株式会社 | パターン形成方法 |
| JP5395023B2 (ja) * | 2010-09-29 | 2014-01-22 | 富士フイルム株式会社 | パターン形成方法、及び金属構造形成方法 |
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-
2003
- 2003-11-17 JP JP2003386222A patent/JP4137771B2/ja not_active Expired - Fee Related
- 2003-11-28 DE DE60326305T patent/DE60326305D1/de not_active Expired - Lifetime
- 2003-11-28 EP EP06013398A patent/EP1701347A3/en not_active Withdrawn
- 2003-11-28 EP EP03257521A patent/EP1424691B1/en not_active Expired - Lifetime
- 2003-12-01 US US10/724,353 patent/US7238461B2/en not_active Expired - Fee Related
-
2006
- 2006-08-31 US US11/513,513 patent/US20060286338A1/en not_active Abandoned
- 2006-09-18 US US11/522,388 patent/US20070020562A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP1424691B1 (en) | 2009-02-25 |
| US20060286338A1 (en) | 2006-12-21 |
| US20070020562A1 (en) | 2007-01-25 |
| US20040166441A1 (en) | 2004-08-26 |
| US7238461B2 (en) | 2007-07-03 |
| EP1701347A3 (en) | 2009-04-08 |
| JP2004188968A (ja) | 2004-07-08 |
| EP1701347A2 (en) | 2006-09-13 |
| EP1424691A3 (en) | 2005-02-09 |
| DE60326305D1 (de) | 2009-04-09 |
| EP1424691A2 (en) | 2004-06-02 |
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