GB2066489B - Ablative optical recording medium - Google Patents

Ablative optical recording medium

Info

Publication number
GB2066489B
GB2066489B GB7941271A GB7941271A GB2066489B GB 2066489 B GB2066489 B GB 2066489B GB 7941271 A GB7941271 A GB 7941271A GB 7941271 A GB7941271 A GB 7941271A GB 2066489 B GB2066489 B GB 2066489B
Authority
GB
United Kingdom
Prior art keywords
recording medium
optical recording
ablative optical
ablative
medium
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
Application number
GB7941271A
Other versions
GB2066489A (en
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Priority to GB7941271A priority Critical patent/GB2066489B/en
Priority claimed from NL7908830A external-priority patent/NL191910C/en
Priority to FR7930239A priority patent/FR2471649B1/en
Priority claimed from FR7930239A external-priority patent/FR2471649B1/en
Priority claimed from JP16462779A external-priority patent/JPS5686795A/en
Priority to JP16462779A priority patent/JPS5686795A/en
Priority to DE19792951340 priority patent/DE2951340A1/en
Publication of GB2066489A publication Critical patent/GB2066489A/en
Publication of GB2066489B publication Critical patent/GB2066489B/en
Application granted granted Critical
Priority to HK78286A priority patent/HK78286A/en
Priority to JP4040263A priority patent/JPH0662010B2/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/72Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
GB7941271A 1979-11-29 1979-11-29 Ablative optical recording medium Expired GB2066489B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB7941271A GB2066489B (en) 1979-11-29 1979-11-29 Ablative optical recording medium
FR7930239A FR2471649B1 (en) 1979-11-29 1979-12-10 OPTICAL ABLATION RECORDING MEDIUM
JP16462779A JPS5686795A (en) 1979-11-29 1979-12-17 Melting removing type optical recording medium
DE19792951340 DE2951340A1 (en) 1979-11-29 1979-12-20 OPTICAL RECORD CARRIER
HK78286A HK78286A (en) 1979-11-29 1986-10-16 Ablative optical recording medium
JP4040263A JPH0662010B2 (en) 1979-11-29 1992-01-29 Ablation type optical recording medium

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB7941271A GB2066489B (en) 1979-11-29 1979-11-29 Ablative optical recording medium
NL7908830A NL191910C (en) 1979-12-06 1979-12-06 Ablative optical recording medium, comprising a light-reflecting material, coated with a layer of a light-absorbing dye.
FR7930239A FR2471649B1 (en) 1979-11-29 1979-12-10 OPTICAL ABLATION RECORDING MEDIUM
JP16462779A JPS5686795A (en) 1979-11-29 1979-12-17 Melting removing type optical recording medium
DE19792951340 DE2951340A1 (en) 1979-11-29 1979-12-20 OPTICAL RECORD CARRIER
JP4040263A JPH0662010B2 (en) 1979-11-29 1992-01-29 Ablation type optical recording medium

Publications (2)

Publication Number Publication Date
GB2066489A GB2066489A (en) 1981-07-08
GB2066489B true GB2066489B (en) 1983-10-19

Family

ID=27544299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7941271A Expired GB2066489B (en) 1979-11-29 1979-11-29 Ablative optical recording medium

Country Status (1)

Country Link
GB (1) GB2066489B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58121153A (en) * 1982-01-13 1983-07-19 Fujitsu Ltd Optical information medium
JPS60187948A (en) * 1984-03-06 1985-09-25 Ricoh Co Ltd Optical information recording medium
GB2164462B (en) * 1984-08-09 1988-12-14 Japan Res Dev Corp Optical recording material, process for preparing the same and optical recording method
JPS61125882A (en) * 1984-11-22 1986-06-13 Victor Co Of Japan Ltd Optical recording medium
GB8431924D0 (en) * 1984-12-18 1985-01-30 Ici Plc Optical recording medium
EP0188331B1 (en) * 1985-01-14 1990-07-25 MITSUI TOATSU CHEMICALS, Inc. Optical recording medium
JPS6290291A (en) * 1985-05-31 1987-04-24 Mitsui Toatsu Chem Inc Optical recording medium
JPH0749231B2 (en) * 1985-08-13 1995-05-31 三菱化学株式会社 Optical recording body
US4816386A (en) * 1986-01-13 1989-03-28 Toray Industries, Inc. Near-infrared sensitive phthalocyanine-polymer compositions
DE3622294A1 (en) * 1986-07-03 1988-01-07 Basf Ag OPTICAL RECORDING MEDIUM

Also Published As

Publication number Publication date
GB2066489A (en) 1981-07-08

Similar Documents

Publication Publication Date Title
GB2061594B (en) Optical recording medium
GB2061595B (en) Optical recording medium
GB2047420B (en) Thermal recording medium
MY8500780A (en) Optical recording medium
GB2059664B (en) Optical reproducing heads
JPS55153139A (en) Digital optical memory recording medium
DE3264625D1 (en) Optical recording medium
JPS57185198A (en) Optical recording medium
JPS5649296A (en) Reflective data recording medium
GB2064847B (en) Recording medium
JPS5661075A (en) Recording disk
JPS5786139A (en) Optical recording medium
JPS5621894A (en) Optical recording member
DE3064361D1 (en) Optical recording device having several ablative recording layers
GB2060191B (en) Laser recording medium
JPS55130796A (en) Light recording medium
JPS5610491A (en) Optical recording part
JPS5621893A (en) Optical recording part
JPS5454634A (en) Optical recording medium
GB2055218B (en) Optical recording member
AU511031B2 (en) Ablative optical recording medium
GB2066489B (en) Ablative optical recording medium
JPS5651030A (en) Laser recording medium
JPS5770695A (en) Optical recording medium
JPS5686795A (en) Melting removing type optical recording medium

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19991128