NL8403950A - Werkwijze en inrichting voor het reproduceren van magnetische informatie. - Google Patents

Werkwijze en inrichting voor het reproduceren van magnetische informatie. Download PDF

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Publication number
NL8403950A
NL8403950A NL8403950A NL8403950A NL8403950A NL 8403950 A NL8403950 A NL 8403950A NL 8403950 A NL8403950 A NL 8403950A NL 8403950 A NL8403950 A NL 8403950A NL 8403950 A NL8403950 A NL 8403950A
Authority
NL
Netherlands
Prior art keywords
magnetic
magnetic layer
head
light beam
magnetic head
Prior art date
Application number
NL8403950A
Other languages
English (en)
Dutch (nl)
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of NL8403950A publication Critical patent/NL8403950A/nl

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL8403950A 1983-12-29 1984-12-27 Werkwijze en inrichting voor het reproduceren van magnetische informatie. NL8403950A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25200283A JPS60143463A (ja) 1983-12-29 1983-12-29 磁気記録情報再生方法および装置
JP25200283 1983-12-29

Publications (1)

Publication Number Publication Date
NL8403950A true NL8403950A (nl) 1985-07-16

Family

ID=17231190

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8403950A NL8403950A (nl) 1983-12-29 1984-12-27 Werkwijze en inrichting voor het reproduceren van magnetische informatie.

Country Status (2)

Country Link
JP (1) JPS60143463A (ja)
NL (1) NL8403950A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256110A1 (en) * 1986-02-05 1988-02-24 Information Storage Inc DEVICE AND METHOD FOR INCREASING THE STORAGE CAPACITY OF RECORDING MEDIA.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0760537B2 (ja) * 1985-09-27 1995-06-28 株式会社日立製作所 記録再生方法
JPH0283838A (ja) * 1988-09-20 1990-03-23 Nec Kansai Ltd 磁気ヘッド

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0256110A1 (en) * 1986-02-05 1988-02-24 Information Storage Inc DEVICE AND METHOD FOR INCREASING THE STORAGE CAPACITY OF RECORDING MEDIA.
EP0256110A4 (en) * 1986-02-05 1991-11-27 Information Storage, Inc. Apparatus and method for increasing storage capacity of recording media

Also Published As

Publication number Publication date
JPH0443338B2 (ja) 1992-07-16
JPS60143463A (ja) 1985-07-29

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