DE2233453A1 - Magnetkopf - Google Patents

Magnetkopf

Info

Publication number
DE2233453A1
DE2233453A1 DE19722233453 DE2233453A DE2233453A1 DE 2233453 A1 DE2233453 A1 DE 2233453A1 DE 19722233453 DE19722233453 DE 19722233453 DE 2233453 A DE2233453 A DE 2233453A DE 2233453 A1 DE2233453 A1 DE 2233453A1
Authority
DE
Germany
Prior art keywords
magnetic
yoke
magnetic head
head according
electrical conductor
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.)
Pending
Application number
DE19722233453
Other languages
German (de)
English (en)
Inventor
Brian Richard Hearn
Arthur Scott Jones
Brian William Kington
Rafael Pascual
Andrew Paton
James Michael Linford Vigar
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2233453A1 publication Critical patent/DE2233453A1/de
Pending 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
    • G11B5/2452—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track where the dimensions of the effective gap are controlled
    • 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
    • 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
    • G11B5/313—Disposition of layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE19722233453 1971-08-21 1972-07-07 Magnetkopf Pending DE2233453A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3931671 1971-08-21

Publications (1)

Publication Number Publication Date
DE2233453A1 true DE2233453A1 (de) 1973-02-22

Family

ID=10408905

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722233453 Pending DE2233453A1 (de) 1971-08-21 1972-07-07 Magnetkopf

Country Status (6)

Country Link
JP (1) JPS4830412A (enrdf_load_stackoverflow)
CA (1) CA960356A (enrdf_load_stackoverflow)
DE (1) DE2233453A1 (enrdf_load_stackoverflow)
FR (1) FR2150335B1 (enrdf_load_stackoverflow)
GB (1) GB1344890A (enrdf_load_stackoverflow)
IT (1) IT963420B (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480014A1 (fr) 1980-04-02 1981-10-09 Cii Honeywell Bull Transducteur magnetique de lecture et/ou d'enregistrement d'informations contenues sur un support magnetique
FR2480015A1 (fr) 1980-04-02 1981-10-09 Cii Honeywell Bull Transducteur magnetique a entrefer de grande dimension variable pour la lecture et l'ecriture des informations contenues dans un support magnetique
FR2489570A1 (fr) 1980-08-27 1982-03-05 Cii Honeywell Bull Transducteur magnetique integre
CA1189969A (en) * 1982-05-26 1985-07-02 Gilbert D. Springer Differential-permeability field-concentrating magnetic writing head
KR940004989B1 (ko) * 1989-08-04 1994-06-09 마쯔시다덴기산교 가부시기가이샤 박막자기헤드
JP2563597B2 (ja) * 1989-08-04 1996-12-11 松下電器産業株式会社 複合型薄膜磁気ヘッド
JPH0383213A (ja) * 1989-08-24 1991-04-09 Matsushita Electric Ind Co Ltd 薄膜磁気ヘッド
US6771462B1 (en) 1999-09-20 2004-08-03 Seagate Technology Llc Perpendicular recording head including concave tip
KR100846237B1 (ko) * 1999-10-05 2008-07-16 시게이트 테크놀로지 엘엘씨 가변 길이의 갭을 갖는 수직 자기 기록 헤드
US6865056B1 (en) 1999-10-05 2005-03-08 Seagate Technology Llc Longitudinal magnetic recording heads with variable-length gaps
US6898053B1 (en) 1999-10-26 2005-05-24 Seagate Technology Llc Perpendicular recording head with trackwidth defined by plating thickness
US6560069B1 (en) 1999-11-29 2003-05-06 Seagate Technology, Llc Perpendicular recording head defining the trackwidth by material deposition thickness
US6707642B1 (en) 2000-02-04 2004-03-16 Seagate Technology Llc Longitudinal magnetic recording head with reduced side fringing
US6693768B1 (en) 2000-03-15 2004-02-17 Seagate Technology Llc Perpendicular magnetic recording head having a flux focusing main pole

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963690A (en) * 1957-10-14 1960-12-06 Ibm Magnetic transducer
US3171107A (en) * 1961-07-03 1965-02-23 Ibm Wide-record narrow-read magnetic head

Also Published As

Publication number Publication date
IT963420B (it) 1974-01-10
CA960356A (en) 1974-12-31
GB1344890A (en) 1974-01-23
FR2150335A1 (enrdf_load_stackoverflow) 1973-04-06
FR2150335B1 (enrdf_load_stackoverflow) 1978-09-29
JPS4830412A (enrdf_load_stackoverflow) 1973-04-21

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee