JPS635803B2 - - Google Patents

Info

Publication number
JPS635803B2
JPS635803B2 JP57200520A JP20052082A JPS635803B2 JP S635803 B2 JPS635803 B2 JP S635803B2 JP 57200520 A JP57200520 A JP 57200520A JP 20052082 A JP20052082 A JP 20052082A JP S635803 B2 JPS635803 B2 JP S635803B2
Authority
JP
Japan
Prior art keywords
servo
track
writing
adjacent
head
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
Application number
JP57200520A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58125217A (ja
Inventor
Arubaato Kaningamu Aaru
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23331245&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS635803(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS58125217A publication Critical patent/JPS58125217A/ja
Publication of JPS635803B2 publication Critical patent/JPS635803B2/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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59633—Servo formatting

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP57200520A 1982-01-18 1982-11-17 サ−ボ書込みヘツド Granted JPS58125217A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/339,940 US4458280A (en) 1982-01-18 1982-01-18 Servo writing transducer design and writing method
US339940 1994-11-15

Publications (2)

Publication Number Publication Date
JPS58125217A JPS58125217A (ja) 1983-07-26
JPS635803B2 true JPS635803B2 (enExample) 1988-02-05

Family

ID=23331245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57200520A Granted JPS58125217A (ja) 1982-01-18 1982-11-17 サ−ボ書込みヘツド

Country Status (3)

Country Link
US (1) US4458280A (enExample)
EP (1) EP0084121A1 (enExample)
JP (1) JPS58125217A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5971115A (ja) * 1982-10-15 1984-04-21 Hitachi Ltd 磁気ヘッド
US4644432A (en) * 1985-01-28 1987-02-17 International Business Machines Three pole single element magnetic read/write head
JP2003529869A (ja) 1999-01-15 2003-10-07 シーゲート テクノロジー リミテッド ライアビリティ カンパニー サーボトラック書込みにおいてトラック記録エラーを低減させる方法と装置
US6775088B2 (en) * 2001-06-01 2004-08-10 Seagate Technology Llc Vertically-oriented servo track writer and method
KR100718148B1 (ko) * 2005-02-07 2007-05-14 삼성전자주식회사 비대칭형 수직자기기록헤드 및 그 제조 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1032495A (fr) * 1950-02-20 1953-07-02 Blaupunkt Werke Gmbh Lecteur de son pour disques enregistrés
DE932274C (de) * 1951-12-19 1955-08-29 Karl Dr Kesselschlaeger Verfahren und Einrichtung zur Schallaufzeichnung auf Magnettontraeger mit saegezahnfoermigem Rillenprofil
US3105965A (en) * 1960-04-11 1963-10-01 Honeywell Regulator Co Combined read-write and erase head assembly
US3678482A (en) * 1970-08-26 1972-07-18 Burroughs Corp Multiple surface fluid film bearing
US3810244A (en) * 1970-09-14 1974-05-07 Canon Kk Cross type magnetic head
JPS5210716A (en) * 1975-06-24 1977-01-27 Hitachi Ltd Multi-element magnetic head
US4068268A (en) * 1976-01-08 1978-01-10 Idemoto Tom Y Method and apparatus for writing servo-tracks on rotating magnetic memory surfaces
US4193103A (en) * 1978-10-02 1980-03-11 International Tapetronics Corporation Magnetic transducer head
US4190872A (en) * 1978-12-21 1980-02-26 International Business Machines Corporation Thin film inductive transducer
US4219854A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Thin film magnetic head assembly
US4219855A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Thin film magnetic head

Also Published As

Publication number Publication date
EP0084121A1 (en) 1983-07-27
US4458280A (en) 1984-07-03
JPS58125217A (ja) 1983-07-26

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