JPH0421925B2 - - Google Patents

Info

Publication number
JPH0421925B2
JPH0421925B2 JP57180721A JP18072182A JPH0421925B2 JP H0421925 B2 JPH0421925 B2 JP H0421925B2 JP 57180721 A JP57180721 A JP 57180721A JP 18072182 A JP18072182 A JP 18072182A JP H0421925 B2 JPH0421925 B2 JP H0421925B2
Authority
JP
Japan
Prior art keywords
magnetically permeable
thin film
head
recording medium
magnetic
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 - Lifetime
Application number
JP57180721A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5971119A (ja
Inventor
Kyoshi Sasaki
Kenji Kanai
Takeshi Takahashi
Ryuji Sugita
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57180721A priority Critical patent/JPS5971119A/ja
Priority to US06/483,614 priority patent/US4613918A/en
Priority to EP83302024A priority patent/EP0091812B1/en
Priority to DE8383302024T priority patent/DE3374622D1/de
Publication of JPS5971119A publication Critical patent/JPS5971119A/ja
Publication of JPH0421925B2 publication Critical patent/JPH0421925B2/ja
Granted legal-status Critical Current

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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
    • G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/399—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures with intrinsic biasing, e.g. provided by equipotential strips

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP57180721A 1982-04-14 1982-10-14 磁気抵抗効果形ヘツド Granted JPS5971119A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57180721A JPS5971119A (ja) 1982-10-14 1982-10-14 磁気抵抗効果形ヘツド
US06/483,614 US4613918A (en) 1982-04-14 1983-04-11 Perpendicular magnetic playback head and a perpendicular magnetic recording and reproducing device
EP83302024A EP0091812B1 (en) 1982-04-14 1983-04-11 A playback head for perpendicular magnetic recordings
DE8383302024T DE3374622D1 (en) 1982-04-14 1983-04-11 A playback head for perpendicular magnetic recordings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57180721A JPS5971119A (ja) 1982-10-14 1982-10-14 磁気抵抗効果形ヘツド

Publications (2)

Publication Number Publication Date
JPS5971119A JPS5971119A (ja) 1984-04-21
JPH0421925B2 true JPH0421925B2 (enEXAMPLES) 1992-04-14

Family

ID=16088150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57180721A Granted JPS5971119A (ja) 1982-04-14 1982-10-14 磁気抵抗効果形ヘツド

Country Status (1)

Country Link
JP (1) JPS5971119A (enEXAMPLES)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57172525A (en) * 1981-04-15 1982-10-23 Canon Inc Magnetic head for reproduction

Also Published As

Publication number Publication date
JPS5971119A (ja) 1984-04-21

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