DE2347347A1 - Verfahren zur bearbeitung von wismutfilmen mittels laserstrahlen - Google Patents

Verfahren zur bearbeitung von wismutfilmen mittels laserstrahlen

Info

Publication number
DE2347347A1
DE2347347A1 DE19732347347 DE2347347A DE2347347A1 DE 2347347 A1 DE2347347 A1 DE 2347347A1 DE 19732347347 DE19732347347 DE 19732347347 DE 2347347 A DE2347347 A DE 2347347A DE 2347347 A1 DE2347347 A1 DE 2347347A1
Authority
DE
Germany
Prior art keywords
film
laser
substrate
uismuth
films
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.)
Pending
Application number
DE19732347347
Other languages
German (de)
English (en)
Inventor
Robert Kyran Curran
Gerald Smolinsky
Larry Flack Thompson
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of DE2347347A1 publication Critical patent/DE2347347A1/de
Priority to IT2675574A priority Critical patent/IT1034101B/it
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/252Record 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
    • G11B7/257Record 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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/18Working by laser beam, e.g. welding, cutting or boring using absorbing layers on the workpiece, e.g. for marking or protecting purposes
    • 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
    • G11B7/26Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B7/252Record 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
    • 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
    • G11B7/252Record 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
    • G11B7/253Record 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
    • G11B7/2533Record 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
    • 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
    • G11B7/252Record 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
    • G11B7/257Record 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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B7/2578Record 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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Physical Vapour Deposition (AREA)
  • Laser Beam Processing (AREA)
DE19732347347 1972-09-25 1973-09-20 Verfahren zur bearbeitung von wismutfilmen mittels laserstrahlen Pending DE2347347A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT2675574A IT1034101B (it) 1973-09-20 1974-08-29 Spoletta a distanza per una te stata tattica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29167772A 1972-09-25 1972-09-25

Publications (1)

Publication Number Publication Date
DE2347347A1 true DE2347347A1 (de) 1974-05-16

Family

ID=23121348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732347347 Pending DE2347347A1 (de) 1972-09-25 1973-09-20 Verfahren zur bearbeitung von wismutfilmen mittels laserstrahlen

Country Status (3)

Country Link
JP (1) JPS4971560A (enrdf_load_stackoverflow)
DE (1) DE2347347A1 (enrdf_load_stackoverflow)
FR (1) FR2209159A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005155A (en) * 1977-09-28 1979-04-19 Rca Corp Improved optical recording medium
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
US4373004A (en) * 1979-08-14 1983-02-08 Nippon Telegraph & Telephone Public Corporation Laser beam-recording media and method for manufacturing the same
US4360820A (en) * 1979-10-01 1982-11-23 Omex Laser recording medium
GB2061543B (en) * 1979-10-01 1983-08-17 Omex Laser-recording medium
JPS59217243A (ja) * 1983-05-24 1984-12-07 Fuji Photo Film Co Ltd 情報記録媒体

Also Published As

Publication number Publication date
JPS4971560A (enrdf_load_stackoverflow) 1974-07-10
FR2209159A1 (en) 1974-06-28

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