JPS60223012A - 磁気ヘツド - Google Patents

磁気ヘツド

Info

Publication number
JPS60223012A
JPS60223012A JP59078242A JP7824284A JPS60223012A JP S60223012 A JPS60223012 A JP S60223012A JP 59078242 A JP59078242 A JP 59078242A JP 7824284 A JP7824284 A JP 7824284A JP S60223012 A JPS60223012 A JP S60223012A
Authority
JP
Japan
Prior art keywords
magnetic
ferromagnetic
magnetic head
ferromagnetic metal
metal thin
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
JP59078242A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0475564B2 (enrdf_load_stackoverflow
Inventor
Tomio Kobayashi
富夫 小林
Heikichi Sato
平吉 佐藤
Shoichi Kano
加納　庄一
Seiki Konno
今野　清記
Osamu Maniwa
間庭　修
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP59078242A priority Critical patent/JPS60223012A/ja
Priority to CA000470379A priority patent/CA1236212A/en
Priority to AU37074/84A priority patent/AU582736B2/en
Priority to GB08432443A priority patent/GB2153581B/en
Priority to IT49363/84A priority patent/IT1182707B/it
Priority to FR8420082A priority patent/FR2558000B1/fr
Priority to DE3447700A priority patent/DE3447700A1/de
Priority to AT4127/84A priority patent/AT393566B/de
Priority to NL8403971A priority patent/NL194772C/nl
Priority to KR1019850000415A priority patent/KR930000067B1/ko
Publication of JPS60223012A publication Critical patent/JPS60223012A/ja
Publication of JPH0475564B2 publication Critical patent/JPH0475564B2/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
    • G11B5/31—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
    • G11B5/127—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
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP59078242A 1983-12-30 1984-04-18 磁気ヘツド Granted JPS60223012A (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP59078242A JPS60223012A (ja) 1984-04-18 1984-04-18 磁気ヘツド
CA000470379A CA1236212A (en) 1983-12-30 1984-12-18 Magnetic transducer head with slanted thin film
AU37074/84A AU582736B2 (en) 1983-12-30 1984-12-21 Magnetic transducer head
GB08432443A GB2153581B (en) 1983-12-30 1984-12-21 Magnetic transducer heads
IT49363/84A IT1182707B (it) 1983-12-30 1984-12-27 Testa magnetica trasduttrice e metodo per la sua produzione
FR8420082A FR2558000B1 (fr) 1983-12-30 1984-12-28 Tete de transducteur magnetique.
DE3447700A DE3447700A1 (de) 1983-12-30 1984-12-28 Magnetischer wandlerkopf
AT4127/84A AT393566B (de) 1983-12-30 1984-12-28 Magnetwandlerkopf
NL8403971A NL194772C (nl) 1983-12-30 1984-12-31 Magnetische transducentkop, alsmede werkwijze voor het vervaardigen ervan.
KR1019850000415A KR930000067B1 (ko) 1984-04-18 1985-01-23 자기헤드

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59078242A JPS60223012A (ja) 1984-04-18 1984-04-18 磁気ヘツド

Publications (2)

Publication Number Publication Date
JPS60223012A true JPS60223012A (ja) 1985-11-07
JPH0475564B2 JPH0475564B2 (enrdf_load_stackoverflow) 1992-12-01

Family

ID=13656549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59078242A Granted JPS60223012A (ja) 1983-12-30 1984-04-18 磁気ヘツド

Country Status (2)

Country Link
JP (1) JPS60223012A (enrdf_load_stackoverflow)
KR (1) KR930000067B1 (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236708A (ja) * 1985-08-12 1987-02-17 Hitachi Ltd 磁気ヘツド
JPS62125509A (ja) * 1985-11-26 1987-06-06 Sony Corp 磁気ヘツド
JPS62145516A (ja) * 1985-12-19 1987-06-29 Sony Corp 磁気ヘツド
JPS62145522A (ja) * 1985-12-20 1987-06-29 Hitachi Ltd 薄膜磁気ヘツド
JPS62298908A (ja) * 1986-06-18 1987-12-26 Sankyo Seiki Mfg Co Ltd 磁気ヘツド

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623A (en) * 1979-06-15 1981-01-06 Hitachi Ltd Magnetic head and its manufacture
JPS56169214A (en) * 1980-06-02 1981-12-25 Nippon Hoso Kyokai <Nhk> Magnetic head
JPS58143428A (ja) * 1982-02-19 1983-08-26 Sanyo Electric Co Ltd 磁気ヘツド
JPS58155513A (ja) * 1982-03-10 1983-09-16 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JPS58175122A (ja) * 1982-04-07 1983-10-14 Hitachi Ltd 磁気ヘッドおよびその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623A (en) * 1979-06-15 1981-01-06 Hitachi Ltd Magnetic head and its manufacture
JPS56169214A (en) * 1980-06-02 1981-12-25 Nippon Hoso Kyokai <Nhk> Magnetic head
JPS58143428A (ja) * 1982-02-19 1983-08-26 Sanyo Electric Co Ltd 磁気ヘツド
JPS58155513A (ja) * 1982-03-10 1983-09-16 Hitachi Ltd 複合型磁気ヘツドおよびその製造方法
JPS58175122A (ja) * 1982-04-07 1983-10-14 Hitachi Ltd 磁気ヘッドおよびその製造方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236708A (ja) * 1985-08-12 1987-02-17 Hitachi Ltd 磁気ヘツド
JPS62125509A (ja) * 1985-11-26 1987-06-06 Sony Corp 磁気ヘツド
JPS62145516A (ja) * 1985-12-19 1987-06-29 Sony Corp 磁気ヘツド
JPS62145522A (ja) * 1985-12-20 1987-06-29 Hitachi Ltd 薄膜磁気ヘツド
JPS62298908A (ja) * 1986-06-18 1987-12-26 Sankyo Seiki Mfg Co Ltd 磁気ヘツド

Also Published As

Publication number Publication date
JPH0475564B2 (enrdf_load_stackoverflow) 1992-12-01
KR850007508A (ko) 1985-12-04
KR930000067B1 (ko) 1993-01-08

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees