NL8200481A - Magneetkop. - Google Patents

Magneetkop. Download PDF

Info

Publication number
NL8200481A
NL8200481A NL8200481A NL8200481A NL8200481A NL 8200481 A NL8200481 A NL 8200481A NL 8200481 A NL8200481 A NL 8200481A NL 8200481 A NL8200481 A NL 8200481A NL 8200481 A NL8200481 A NL 8200481A
Authority
NL
Netherlands
Prior art keywords
core
magnetic
magnetic head
head according
ferrite
Prior art date
Application number
NL8200481A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8200481A priority Critical patent/NL8200481A/nl
Priority to DE8383200121T priority patent/DE3374475D1/de
Priority to AT83200121T priority patent/ATE30797T1/de
Priority to EP83200121A priority patent/EP0086007B1/de
Priority to US06/462,273 priority patent/US4604670A/en
Priority to KR1019830000468A priority patent/KR880001196B1/ko
Priority to JP58017577A priority patent/JPS58146018A/ja
Publication of NL8200481A publication Critical patent/NL8200481A/nl
Priority to HK432/89A priority patent/HK43289A/xx

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
    • 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL8200481A 1982-02-09 1982-02-09 Magneetkop. NL8200481A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL8200481A NL8200481A (nl) 1982-02-09 1982-02-09 Magneetkop.
DE8383200121T DE3374475D1 (en) 1982-02-09 1983-01-26 Magnetic head
AT83200121T ATE30797T1 (de) 1982-02-09 1983-01-26 Magnetkopf.
EP83200121A EP0086007B1 (de) 1982-02-09 1983-01-26 Magnetkopf
US06/462,273 US4604670A (en) 1982-02-09 1983-01-31 Magnetic head
KR1019830000468A KR880001196B1 (ko) 1982-02-09 1983-02-07 자기헤드
JP58017577A JPS58146018A (ja) 1982-02-09 1983-02-07 磁気ヘツド
HK432/89A HK43289A (en) 1982-02-09 1989-05-25 Magnetic head

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8200481A NL8200481A (nl) 1982-02-09 1982-02-09 Magneetkop.
NL8200481 1982-02-09

Publications (1)

Publication Number Publication Date
NL8200481A true NL8200481A (nl) 1983-09-01

Family

ID=19839227

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8200481A NL8200481A (nl) 1982-02-09 1982-02-09 Magneetkop.

Country Status (8)

Country Link
US (1) US4604670A (de)
EP (1) EP0086007B1 (de)
JP (1) JPS58146018A (de)
KR (1) KR880001196B1 (de)
AT (1) ATE30797T1 (de)
DE (1) DE3374475D1 (de)
HK (1) HK43289A (de)
NL (1) NL8200481A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142716A (ja) * 1983-02-04 1984-08-16 Hitachi Ltd 磁気ヘツドおよびその製造方法
JPS60138708A (ja) * 1983-12-27 1985-07-23 Ngk Insulators Ltd 磁気ヘッド用コアの製造法
JPS60224109A (ja) * 1984-04-20 1985-11-08 Hitachi Ltd 複合型磁気ヘツドを用いた磁気記録再生装置
NL8700160A (nl) * 1987-01-23 1988-08-16 Philips Nv Magneetkop voor gebruik bij loodrechte registratie.
US5159511A (en) * 1987-04-01 1992-10-27 Digital Equipment Corporation Biasing conductor for MR head
US4819091A (en) * 1987-04-30 1989-04-04 International Business Machines Corporation High speed magnetic disk contact recording system
EP0314172B1 (de) * 1987-10-29 1994-03-09 Fuji Photo Film Co., Ltd. Film-Magnetkopf
US5089334A (en) * 1988-08-03 1992-02-18 Digital Equipment Corporation Flux spreading thin film magnetic devices
CA1334447C (en) * 1988-08-03 1995-02-14 Digital Equipment Corporation Perpendicular anisotropy in thin film devices
US5085935A (en) * 1988-08-03 1992-02-04 Digital Equipment Corporation Flux spreading thin film magnetic devices
JP2619017B2 (ja) * 1988-10-11 1997-06-11 日立マクセル株式会社 複合磁気ヘッド
US6600631B1 (en) * 1989-11-27 2003-07-29 Censtor Corp. Transducer/flexure/conductor structure for electromagnetic read/write system
JP2941886B2 (ja) * 1990-04-24 1999-08-30 キヤノン電子株式会社 磁気ヘッド
DE4020353B4 (de) * 1990-06-27 2005-11-24 Grundig Multimedia B.V. Verfahren zur Verbesserung der elektromechanischen Eigenschaften von Magnetköpfen und kompletten Magnetkopfanordnungen

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA731581A (en) * 1966-04-05 H. Meiklejohn William Magnetic bodies
DE1042254B (de) * 1956-02-17 1958-10-30 Wolfgang Bogen Magnetkopf
US2964837A (en) * 1958-06-09 1960-12-20 Harris Transducer Corp Method of transducer manufacture
US3079470A (en) * 1959-12-21 1963-02-26 Armour Res Found Magnetic transducer head
US3232787A (en) * 1961-05-08 1966-02-01 Donald C Bennett Bistable magnetic film and method for making same
US3182300A (en) * 1962-09-10 1965-05-04 Bell & Howell Co Magnetic tape transducer
US3393982A (en) * 1962-11-08 1968-07-23 Ncr Co Ferromagnetic storage devices having uniaxial anisotropy
US3912483A (en) * 1968-09-25 1975-10-14 Matsushita Electric Ind Co Ltd Method of making a magnetic head
JPS498088B1 (de) * 1969-06-12 1974-02-23
US3665436A (en) * 1970-06-17 1972-05-23 Potter Instrument Co Inc Long-wearing magnetic head
US3824685A (en) * 1972-02-14 1974-07-23 Bell & Howell Co Method of making a ferrite head
NL175473C (nl) * 1972-06-20 1984-11-01 Matsushita Electric Ind Co Ltd Ferrietkern voor een magneetkop en werkwijze voor het vervaardigen van een ferrietkern.
US3986210A (en) * 1973-02-20 1976-10-12 Matsushita Electric Industrial Co., Ltd. Magnetic head device using printed circuit techniques
US4078300A (en) * 1975-01-10 1978-03-14 Compagnie Internationale Pour L'informatique Method of making an integrated magnetic head having pole-pieces of a reduced frontal width
US4060798A (en) * 1976-05-12 1977-11-29 The United States Of America As Represented By The Secretary Of The Navy Method for increasing the critical velocity of magnetic bubble propagation in magnetic materials
JPS5496012A (en) * 1978-01-13 1979-07-30 Victor Co Of Japan Ltd Magnetic head
JPS54121108A (en) * 1978-03-13 1979-09-20 Akai Electric Mnnzn ferrite monocrystal magnetic head and method of fabricating same
US4242710A (en) * 1979-01-29 1980-12-30 International Business Machines Corporation Thin film head having negative magnetostriction
JPS55125519A (en) * 1979-03-23 1980-09-27 Hitachi Ltd Magnetic head
US4295173A (en) * 1979-10-18 1981-10-13 International Business Machines Corporation Thin film inductive transducer
JPS6035728B2 (ja) * 1980-02-21 1985-08-16 松下電器産業株式会社 薄膜磁気ヘッド
JPS56163518A (en) * 1980-05-16 1981-12-16 Hitachi Ltd Magnetic head
JPS5755522A (en) * 1980-09-22 1982-04-02 Hitachi Ltd Magnetic head

Also Published As

Publication number Publication date
EP0086007B1 (de) 1987-11-11
US4604670A (en) 1986-08-05
KR880001196B1 (ko) 1988-07-02
DE3374475D1 (en) 1987-12-17
ATE30797T1 (de) 1987-11-15
JPS58146018A (ja) 1983-08-31
KR840003877A (ko) 1984-10-04
HK43289A (en) 1989-06-07
EP0086007A1 (de) 1983-08-17

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A1B A search report has been drawn up
BV The patent application has lapsed