DE3672843D1 - Optisches aufzeichnungsmedium. - Google Patents

Optisches aufzeichnungsmedium.

Info

Publication number
DE3672843D1
DE3672843D1 DE8686300112T DE3672843T DE3672843D1 DE 3672843 D1 DE3672843 D1 DE 3672843D1 DE 8686300112 T DE8686300112 T DE 8686300112T DE 3672843 T DE3672843 T DE 3672843T DE 3672843 D1 DE3672843 D1 DE 3672843D1
Authority
DE
Germany
Prior art keywords
recording medium
optical recording
optical
medium
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.)
Expired - Fee Related
Application number
DE8686300112T
Other languages
English (en)
Inventor
Sumio Hirose
Kenji Abe
Hiroshi Ozawa
Yoichi Hosono
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.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Application granted granted Critical
Publication of DE3672843D1 publication Critical patent/DE3672843D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/242—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
    • G11B7/244—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 organic materials only
    • G11B7/246—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 organic materials only containing dyes
    • G11B7/248—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 organic materials only containing dyes porphines; azaporphines, e.g. phthalocyanines
    • 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
DE8686300112T 1985-01-14 1986-01-08 Optisches aufzeichnungsmedium. Expired - Fee Related DE3672843D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP453785 1985-01-14

Publications (1)

Publication Number Publication Date
DE3672843D1 true DE3672843D1 (de) 1990-08-30

Family

ID=11586790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686300112T Expired - Fee Related DE3672843D1 (de) 1985-01-14 1986-01-08 Optisches aufzeichnungsmedium.

Country Status (4)

Country Link
US (1) US4770975A (de)
EP (1) EP0188331B1 (de)
JP (1) JPS61268487A (de)
DE (1) DE3672843D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177287A (ja) * 1985-02-04 1986-08-08 ヘキスト・セラニーズ・コーポレーション 発色団を含有する情報記録媒体
JPH0739211B2 (ja) * 1985-08-06 1995-05-01 三井東圧化学株式会社 光記録媒体の製造方法
JPH0741740B2 (ja) * 1985-09-18 1995-05-10 ティーディーケイ株式会社 光記録媒体
JPS63107589A (ja) * 1986-10-23 1988-05-12 Nec Corp 光記録媒体
FR2613111B1 (fr) * 1987-03-23 1994-05-06 Toyo Boseki Kk Support d'enregistrement optique
DE3802031A1 (de) * 1988-01-25 1989-07-27 Hoechst Ag Mehrschichtiges aufzeichnungsmaterial fuer optische informationen
US5045440A (en) * 1990-02-07 1991-09-03 Hoechst Celanese Corp. Stabilization of optical information storage media by incorporation of nitrogen containing compounds

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7900281A (nl) * 1979-01-15 1980-07-17 Philips Nv Optische registratie-inrichting alsmede een werkwijze voor het registreren van informatie langs optische weg.
GB2066489B (en) * 1979-11-29 1983-10-19 Rca Corp Ablative optical recording medium
JPS5856892A (ja) * 1981-10-01 1983-04-04 Ricoh Co Ltd 光学的情報記録媒体
JPS60184565A (ja) * 1984-03-05 1985-09-20 Yamamoto Kagaku Gosei Kk ナフタロシアニン化合物
JPS6023451A (ja) * 1983-07-19 1985-02-06 Yamamoto Kagaku Gosei Kk ナフタロシアニン化合物
US4529688A (en) * 1983-10-13 1985-07-16 Xerox Corporation Infrared sensitive phthalocyanine compositions
US4492750A (en) * 1983-10-13 1985-01-08 Xerox Corporation Ablative infrared sensitive devices containing soluble naphthalocyanine dyes
JPS6125886A (ja) * 1984-07-17 1986-02-04 Yamamoto Kagaku Gosei Kk 光情報記録媒体
US4605607A (en) * 1985-04-08 1986-08-12 Celanese Corporation Optical data storage medium having organometallic chromophore/polymer coordinated information layer

Also Published As

Publication number Publication date
EP0188331B1 (de) 1990-07-25
US4770975A (en) 1988-09-13
EP0188331A2 (de) 1986-07-23
JPS61268487A (ja) 1986-11-27
EP0188331A3 (en) 1987-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee