CA1135413A - Optical recording medium - Google Patents

Optical recording medium

Info

Publication number
CA1135413A
CA1135413A CA000311433A CA311433A CA1135413A CA 1135413 A CA1135413 A CA 1135413A CA 000311433 A CA000311433 A CA 000311433A CA 311433 A CA311433 A CA 311433A CA 1135413 A CA1135413 A CA 1135413A
Authority
CA
Canada
Prior art keywords
layer
light
light absorbing
medium according
overlying
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
CA000311433A
Other languages
English (en)
French (fr)
Inventor
Fred W. Spong
Leonard J. Levin
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
Application granted granted Critical
Publication of CA1135413A publication Critical patent/CA1135413A/en
Expired 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
    • 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
    • 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
    • G11B7/258—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 reflective layers
    • G11B7/2585—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 reflective layers based on aluminium
    • 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
    • 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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
CA000311433A 1977-09-28 1978-09-15 Optical recording medium Expired CA1135413A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83742077A 1977-09-28 1977-09-28
US837,420 1986-03-07

Publications (1)

Publication Number Publication Date
CA1135413A true CA1135413A (en) 1982-11-09

Family

ID=25274397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000311433A Expired CA1135413A (en) 1977-09-28 1978-09-15 Optical recording medium

Country Status (9)

Country Link
JP (1) JPS5454634A (xx)
CA (1) CA1135413A (xx)
DE (1) DE2837601A1 (xx)
FR (1) FR2404887A1 (xx)
GB (1) GB2005155A (xx)
IT (1) IT1099139B (xx)
NL (1) NL7808820A (xx)
PL (1) PL114262B1 (xx)
SU (1) SU820675A3 (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4618514A (en) * 1985-12-20 1986-10-21 Rca Corporation Alignment layer for liquid crystal display

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809159A (nl) * 1977-09-29 1979-04-02 Philips Nv Informatieregistratie element met kleurstof bevattende hulplaag.
US4189735A (en) * 1978-02-24 1980-02-19 Rca Corporation Record playback apparatus and information record therefor
DE2920480A1 (de) * 1978-05-24 1979-11-29 Philips Nv Informationsaufzeichnungselement
DE2935859A1 (de) * 1978-09-08 1980-03-20 Matsushita Electric Ind Co Ltd Optisches aufzeichnungsteil
JPS5538655A (en) * 1978-09-08 1980-03-18 Sumitomo Chem Co Ltd Optical signal recording and reproducing member
NL7903915A (nl) * 1979-05-18 1980-11-20 Philips Nv Informatieregistratieelement.
US4373004A (en) * 1979-08-14 1983-02-08 Nippon Telegraph & Telephone Public Corporation Laser beam-recording media and method for manufacturing the same
US4275100A (en) * 1980-01-04 1981-06-23 Rca Corporation Video disc processing
JPS57141033A (en) * 1981-02-23 1982-09-01 Asahi Chem Ind Co Ltd Information recording materials
JPS58121149A (ja) * 1981-12-22 1983-07-19 Fujitsu Ltd 記録媒体
EP0130213B1 (en) * 1982-12-31 1987-09-09 Minnesota Mining And Manufacturing Company Recording medium for optical data storage
EP0130026B1 (en) * 1983-06-27 1990-05-02 Optical Disc Corporation High contrast thin film optical recording medium
US4553153A (en) * 1983-10-21 1985-11-12 Eastman Kodak Company Planarizing layer for semiconductor substrates such as solid state imagers
US4547444A (en) * 1983-12-23 1985-10-15 Minnesota Mining And Manufacturing Company Recording element for optical data storage
JPS60187948A (ja) * 1984-03-06 1985-09-25 Ricoh Co Ltd 光学的情報記憶媒体
US4619890A (en) * 1985-08-19 1986-10-28 Eastman Kodak Company Optical recording element having a polymerized crosslinked homopolymer smoothing layer
JPH10283672A (ja) * 1997-04-08 1998-10-23 Sony Corp 光記録媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209159A1 (en) * 1972-09-25 1974-06-28 Western Electric Co Data processing bismuth plastics tape - precipitating plastics film within plasma discharge
JPS5932319B2 (ja) * 1974-03-22 1984-08-08 富士写真フイルム株式会社 記録材料
US3911444A (en) * 1974-04-04 1975-10-07 Bell Telephone Labor Inc Metal film recording media for laser writing
JPS5114263A (en) * 1974-07-26 1976-02-04 Hitachi Ltd Setsugono roeiboshiho
JPS5118555A (en) * 1974-08-07 1976-02-14 Ricoh Kk Karaatonaa oyobi sonoseizoho
AU511031B2 (en) * 1976-03-19 1980-07-24 Rca Corp. Ablative optical recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4618514A (en) * 1985-12-20 1986-10-21 Rca Corporation Alignment layer for liquid crystal display

Also Published As

Publication number Publication date
PL209912A1 (pl) 1979-07-02
JPS5454634A (en) 1979-05-01
PL114262B1 (en) 1981-01-31
IT1099139B (it) 1985-09-18
IT7827996A0 (it) 1978-09-22
NL7808820A (nl) 1979-03-30
FR2404887A1 (fr) 1979-04-27
DE2837601A1 (de) 1979-04-05
GB2005155A (en) 1979-04-19
SU820675A3 (ru) 1981-04-07

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Legal Events

Date Code Title Description
MKEX Expiry