JPS58179927A - 薄膜磁気ヘツド - Google Patents

薄膜磁気ヘツド

Info

Publication number
JPS58179927A
JPS58179927A JP57062728A JP6272882A JPS58179927A JP S58179927 A JPS58179927 A JP S58179927A JP 57062728 A JP57062728 A JP 57062728A JP 6272882 A JP6272882 A JP 6272882A JP S58179927 A JPS58179927 A JP S58179927A
Authority
JP
Japan
Prior art keywords
thin film
magnetic
head
magnetic head
magnetically permeable
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.)
Granted
Application number
JP57062728A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6327772B2 (enrdf_load_stackoverflow
Inventor
Kenji Kanai
金井　謙二
Kiyoshi Sasaki
清志 佐々木
Takeshi Takahashi
健 高橋
Ryuji Sugita
龍二 杉田
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 JP57062728A priority Critical patent/JPS58179927A/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 JPS58179927A publication Critical patent/JPS58179927A/ja
Publication of JPS6327772B2 publication Critical patent/JPS6327772B2/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
    • G11B5/33—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
    • 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)
JP57062728A 1982-04-14 1982-04-14 薄膜磁気ヘツド Granted JPS58179927A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57062728A JPS58179927A (ja) 1982-04-14 1982-04-14 薄膜磁気ヘツド
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
JP57062728A JPS58179927A (ja) 1982-04-14 1982-04-14 薄膜磁気ヘツド

Publications (2)

Publication Number Publication Date
JPS58179927A true JPS58179927A (ja) 1983-10-21
JPS6327772B2 JPS6327772B2 (enrdf_load_stackoverflow) 1988-06-06

Family

ID=13208710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57062728A Granted JPS58179927A (ja) 1982-04-14 1982-04-14 薄膜磁気ヘツド

Country Status (1)

Country Link
JP (1) JPS58179927A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654739A (en) * 1984-01-05 1987-03-31 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head for reproducing perpendicular magnetization
US4700252A (en) * 1983-10-20 1987-10-13 Matsushita Electric Industrial Co., Ltd. Magnetic thin film head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263709A (en) * 1975-11-21 1977-05-26 Hitachi Ltd Film magnetic head of magnetic resistance effective type
JPS52113216A (en) * 1976-03-19 1977-09-22 Matsushita Electric Ind Co Ltd Magnetic head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263709A (en) * 1975-11-21 1977-05-26 Hitachi Ltd Film magnetic head of magnetic resistance effective type
JPS52113216A (en) * 1976-03-19 1977-09-22 Matsushita Electric Ind Co Ltd Magnetic head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700252A (en) * 1983-10-20 1987-10-13 Matsushita Electric Industrial Co., Ltd. Magnetic thin film head
US4654739A (en) * 1984-01-05 1987-03-31 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head for reproducing perpendicular magnetization

Also Published As

Publication number Publication date
JPS6327772B2 (enrdf_load_stackoverflow) 1988-06-06

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