ES8802100A1 - Una estructura de nucleo magnetico para cabeza transductora,destinada particularmente para uso en dispositivos de alma- cenamiento de datos digitales - Google Patents

Una estructura de nucleo magnetico para cabeza transductora,destinada particularmente para uso en dispositivos de alma- cenamiento de datos digitales

Info

Publication number
ES8802100A1
ES8802100A1 ES543510A ES543510A ES8802100A1 ES 8802100 A1 ES8802100 A1 ES 8802100A1 ES 543510 A ES543510 A ES 543510A ES 543510 A ES543510 A ES 543510A ES 8802100 A1 ES8802100 A1 ES 8802100A1
Authority
ES
Spain
Prior art keywords
width
gap
partial
pole piece
core structure
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
ES543510A
Other languages
English (en)
Other versions
ES543510A0 (es
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.)
Irwin Magnetic Systems Inc
Original Assignee
Irwin Magnetic Systems Inc
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 Irwin Magnetic Systems Inc filed Critical Irwin Magnetic Systems Inc
Publication of ES8802100A1 publication Critical patent/ES8802100A1/es
Publication of ES543510A0 publication Critical patent/ES543510A0/es
Expired 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
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

ESTRUCTURA DE NUCLEO MAGNETICO PARA CABEZA TRANSDUCTORA.COMPRENDE UNA ESTRUCTURA DE NUCLEO (18) QUE INCLUYE UNAS PARTES ESTRUCTURALES DIFERENTEMENTE (20, 22) DONDE LA PORCION (20) ES DE ESCRITURA, Y DONDE LA PORCION (22) INCLUYE TRES MIEMBROS DIFERENTES DISPUESTOS EN FORMA DE CAPAS O LAMINAS (26, 28), DE LOS QUE LOS MIEMBROS (26) COMPRENDEN RETORNOS O CIERRES DE NUCLEO DE ESCRITURA, MIENTRAS QUE LA CAPA CENTRAL O MEDIA (28) COMPRENDE UNA CAPA DE NUCLEO DE LECTURA, ESTANDO SEPARADOS CADA UNO DE ESTOS TRES ELEMENTOS Y AISLADOS MAGNETICAMENTE MEDIANTE CAPAS AISLANTES NO MAGNETICAS, TAL COMO DE LATON, QUE SE EXTIENDEN MAS ALLA DE LOS LIMITES DE LOS CIERRES DE ESCRITURA (26), EXTENDIENDOSE EL NUCLEO DE LECTURA (28) MAS ALLA DE LAS CAPAS AISLANTES.
ES543510A 1984-08-29 1985-05-27 Una estructura de nucleo magnetico para cabeza transductora,destinada particularmente para uso en dispositivos de alma- cenamiento de datos digitales Expired ES8802100A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64543684A 1984-08-29 1984-08-29

Publications (2)

Publication Number Publication Date
ES8802100A1 true ES8802100A1 (es) 1987-01-16
ES543510A0 ES543510A0 (es) 1987-01-16

Family

ID=24589022

Family Applications (1)

Application Number Title Priority Date Filing Date
ES543510A Expired ES8802100A1 (es) 1984-08-29 1985-05-27 Una estructura de nucleo magnetico para cabeza transductora,destinada particularmente para uso en dispositivos de alma- cenamiento de datos digitales

Country Status (6)

Country Link
EP (1) EP0174714A1 (es)
JP (1) JPS6161211A (es)
KR (1) KR860002082A (es)
AU (1) AU4262385A (es)
BR (1) BR8502641A (es)
ES (1) ES8802100A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819107A (en) * 1984-08-29 1989-04-04 Irwin Magnetic Systems, Inc. Magnetic transducer head structure
CA1284839C (en) * 1986-10-06 1991-06-11 Michael L. Bolt Magnetic transducer head structure
US4849841A (en) * 1987-04-10 1989-07-18 Irwin Magnetic Systems, Inc. Transducer head core structure with recessed magnetic closures
EP0408808A1 (en) * 1989-07-17 1991-01-23 Conner Peripherals, Inc. Magnetic transducer head structure
TR199901468T2 (xx) * 1996-11-25 1999-10-21 The Procter & Gamble Company Alfa-2 adrenosept�r agonistleri olarak yararl� guanidinil heterosikl bile�ikleri.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51147312A (en) * 1975-06-13 1976-12-17 Canon Inc Magnetic head
JPS554723A (en) * 1978-06-22 1980-01-14 Matsushita Electric Ind Co Ltd Magnetic head and its production
FR2478357A1 (fr) * 1980-03-11 1981-09-18 Lcc Cice Cie Europ Comp Electr Tete magnetique d'enregistrement et de lecture de donnees magnetiques, a largeur de piste variable
JPS58171710A (ja) * 1982-04-02 1983-10-08 Nippon Telegr & Teleph Corp <Ntt> 磁気ヘツド

Also Published As

Publication number Publication date
BR8502641A (pt) 1986-05-20
AU4262385A (en) 1986-03-06
EP0174714A1 (en) 1986-03-19
KR860002082A (ko) 1986-03-26
JPS6161211A (ja) 1986-03-29
ES543510A0 (es) 1987-01-16

Similar Documents

Publication Publication Date Title
DE3471786D1 (en) Combined write and read magnetic head to magnetize vertically a corresponding recording medium
MY105796A (en) Longitudinal magnetic-tape recording system, magnetic-tape apparatus for use in the system, and magnetic head for use in the magnetic-tape apparatus
ES8202446A1 (es) Dispositivo de cabeza magnetica de registro y de lectura de datos
ES8802100A1 (es) Una estructura de nucleo magnetico para cabeza transductora,destinada particularmente para uso en dispositivos de alma- cenamiento de datos digitales
GB865604A (en) Improvements in and relating to magnetic recording and reproducing apparatus
EP0811965A3 (en) An azimuth record head for minimizing and equalizing crosstalk between tracks of opposite azimuths
US3668669A (en) Magnetic head with write gap wider than tape and read gap narrower than tape
EP0097975A3 (en) Magnetic head for a perpendicular read/write arrangement
GB1481370A (en) Magnetic recording apparatus for recording on both sides of a moving record member
JPS56159818A (en) Magnetic head and its production
EP0115052A3 (en) Magnetic head device
GB796734A (en) Magnetic recorder and reproducer
JPS5740709A (en) Magnetic recording system
JPS5914113U (ja) 磁気ヘツド
BR8705266A (pt) Estrutura de nucleo magnetico para cabecote transdutor e processo de leitura e gravacao de transicoes de fluxo magnetico sobre suporte magneticamente gravaveis
GB1013862A (en) Electromagnetic transducer head
JPS55108921A (en) Thin film magnetic head
GB1529085A (en) Arrangement for recording information on a magnetic record carrier
JPS5835713A (ja) 垂直磁化記録用磁気ヘツド
JPS6476528A (en) Magnetic recording medium
EP0106533A3 (en) Magnetic head assembly having improved read/write characteristics for a floppy disc
Tatsuta et al. Disk Drive Using Perpendicular Magnetic Recording
JPS5215307A (en) Data reader
JPS5668915A (en) Combined magnetic head
JPS5477120A (en) Magnetic card