FR2397293B1 - - Google Patents

Info

Publication number
FR2397293B1
FR2397293B1 FR7800430A FR7800430A FR2397293B1 FR 2397293 B1 FR2397293 B1 FR 2397293B1 FR 7800430 A FR7800430 A FR 7800430A FR 7800430 A FR7800430 A FR 7800430A FR 2397293 B1 FR2397293 B1 FR 2397293B1
Authority
FR
France
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
FR7800430A
Other languages
French (fr)
Other versions
FR2397293A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2397293A1 publication Critical patent/FR2397293A1/en
Application granted granted Critical
Publication of FR2397293B1 publication Critical patent/FR2397293B1/fr
Granted 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
    • G11B7/251—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 dispersed in an organic matrix

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
FR7800430A 1977-07-15 1978-01-09 METHOD AND MEDIA FOR RECORDING INFORMATION Granted FR2397293A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81579877A 1977-07-15 1977-07-15

Publications (2)

Publication Number Publication Date
FR2397293A1 FR2397293A1 (en) 1979-02-09
FR2397293B1 true FR2397293B1 (en) 1984-12-07

Family

ID=25218862

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800430A Granted FR2397293A1 (en) 1977-07-15 1978-01-09 METHOD AND MEDIA FOR RECORDING INFORMATION

Country Status (6)

Country Link
JP (1) JPS5421721A (en)
CA (1) CA1116752A (en)
DE (1) DE2817357A1 (en)
FR (1) FR2397293A1 (en)
GB (1) GB1592390A (en)
NL (1) NL7714152A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4496957A (en) * 1979-07-02 1985-01-29 Xerox Corporation Optical disk
US4425570A (en) * 1981-06-12 1984-01-10 Rca Corporation Reversible recording medium and information record
JPS58224794A (en) * 1982-06-25 1983-12-27 Konishiroku Photo Ind Co Ltd Optical information recording medium
US4622284A (en) * 1984-03-01 1986-11-11 Digital Recording Corporation Process of using metal azide recording media with laser
EP0219011B1 (en) * 1985-10-15 1992-01-08 GAO Gesellschaft für Automation und Organisation mbH Identity card with a visually detectable authenticity feature, and method of making it
GB2379441A (en) * 2001-09-07 2003-03-12 Polight Tech Ltd Holographic recording medium
US20170252868A1 (en) * 2016-03-02 2017-09-07 Tong Li System and method for marking a substrate

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3547629A (en) * 1962-09-27 1970-12-15 American Screen Process Equip Photoflash method of transferring information and fabricating printed circuits
DE1574687B2 (en) * 1968-02-06 1978-08-10 Robert Bosch Gmbh, 7000 Stuttgart Data carriers for information
DE2441263A1 (en) * 1974-08-28 1976-03-18 Philips Patentverwaltung RECORDING PROCEDURES
FR2368779A1 (en) * 1976-10-22 1978-05-19 Thomson Brandt THERMOSENSITIVE MEDIA INTENDED FOR RECORDING INFORMATION AND PROCESS FOR RECORDING INFORMATION ON SUCH MEDIA

Also Published As

Publication number Publication date
GB1592390A (en) 1981-07-08
FR2397293A1 (en) 1979-02-09
DE2817357A1 (en) 1979-01-25
CA1116752A (en) 1982-01-19
NL7714152A (en) 1979-01-17
DE2817357C2 (en) 1987-06-11
JPS5421721A (en) 1979-02-19

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse