JPS5971123A - 薄膜磁気ヘツド - Google Patents

薄膜磁気ヘツド

Info

Publication number
JPS5971123A
JPS5971123A JP57180731A JP18073182A JPS5971123A JP S5971123 A JPS5971123 A JP S5971123A JP 57180731 A JP57180731 A JP 57180731A JP 18073182 A JP18073182 A JP 18073182A JP S5971123 A JPS5971123 A JP S5971123A
Authority
JP
Japan
Prior art keywords
head
thin film
magnetic
area
efficiency
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
JP57180731A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0440773B2 (enrdf_load_stackoverflow
Inventor
Takeshi Takahashi
健 高橋
Kenji Kanai
金井　謙二
Kiyoshi Sasaki
清志 佐々木
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 JP57180731A priority Critical patent/JPS5971123A/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 JPS5971123A publication Critical patent/JPS5971123A/ja
Publication of JPH0440773B2 publication Critical patent/JPH0440773B2/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)
JP57180731A 1982-04-14 1982-10-14 薄膜磁気ヘツド Granted JPS5971123A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57180731A JPS5971123A (ja) 1982-10-14 1982-10-14 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
JP57180731A JPS5971123A (ja) 1982-10-14 1982-10-14 薄膜磁気ヘツド

Publications (2)

Publication Number Publication Date
JPS5971123A true JPS5971123A (ja) 1984-04-21
JPH0440773B2 JPH0440773B2 (enrdf_load_stackoverflow) 1992-07-06

Family

ID=16088314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57180731A Granted JPS5971123A (ja) 1982-04-14 1982-10-14 薄膜磁気ヘツド

Country Status (1)

Country Link
JP (1) JPS5971123A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61165814A (ja) * 1985-01-14 1986-07-26 Nippon Denso Co Ltd 磁気検出装置
US10370313B2 (en) 2016-02-26 2019-08-06 AGC Inc. Manufacturing method of purified 1-chloro-2,3,3,3-Tetrafluoropropene and purified 1-chloro-2,3,3,3-tetrafluoropropene (Z)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61165814A (ja) * 1985-01-14 1986-07-26 Nippon Denso Co Ltd 磁気検出装置
US10370313B2 (en) 2016-02-26 2019-08-06 AGC Inc. Manufacturing method of purified 1-chloro-2,3,3,3-Tetrafluoropropene and purified 1-chloro-2,3,3,3-tetrafluoropropene (Z)

Also Published As

Publication number Publication date
JPH0440773B2 (enrdf_load_stackoverflow) 1992-07-06

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