JPS545708A - Production of thin-film magnetic heads - Google Patents

Production of thin-film magnetic heads

Info

Publication number
JPS545708A
JPS545708A JP7001377A JP7001377A JPS545708A JP S545708 A JPS545708 A JP S545708A JP 7001377 A JP7001377 A JP 7001377A JP 7001377 A JP7001377 A JP 7001377A JP S545708 A JPS545708 A JP S545708A
Authority
JP
Japan
Prior art keywords
thin
production
film magnetic
magnetic heads
polishing
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
JP7001377A
Other languages
Japanese (ja)
Inventor
Seiji Yoneoka
Yoshimasa Miura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7001377A priority Critical patent/JPS545708A/en
Publication of JPS545708A publication Critical patent/JPS545708A/en
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
    • G11B5/31—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
    • 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
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • 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
    • G11B5/3166—Testing or indicating in relation thereto, e.g. before the fabrication is completed
    • 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
    • G11B5/455—Arrangements for functional testing of heads; Measuring arrangements for heads

Landscapes

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

Abstract

PURPOSE: To determine the completion of working of gaps and enhance dimensional accuracy by detecting the inductance change when a closed magnetic circuit is cut off by polishing.
COPYRIGHT: (C)1979,JPO&Japio
JP7001377A 1977-06-15 1977-06-15 Production of thin-film magnetic heads Pending JPS545708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7001377A JPS545708A (en) 1977-06-15 1977-06-15 Production of thin-film magnetic heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7001377A JPS545708A (en) 1977-06-15 1977-06-15 Production of thin-film magnetic heads

Publications (1)

Publication Number Publication Date
JPS545708A true JPS545708A (en) 1979-01-17

Family

ID=13419285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7001377A Pending JPS545708A (en) 1977-06-15 1977-06-15 Production of thin-film magnetic heads

Country Status (1)

Country Link
JP (1) JPS545708A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727643A (en) * 1985-04-15 1988-03-01 Siemens Aktiengesellschaft Method for manufacturing a magnetic head by a thin-film technique
JPS6384711U (en) * 1986-11-22 1988-06-03
JPS6384712U (en) * 1986-11-22 1988-06-03
JPS63261509A (en) * 1987-04-20 1988-10-28 Canon Electronics Inc Production of thin film magnetic head
US5236735A (en) * 1989-05-27 1993-08-17 Tdk Corporation Method of producing a thin film magnetic head

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727643A (en) * 1985-04-15 1988-03-01 Siemens Aktiengesellschaft Method for manufacturing a magnetic head by a thin-film technique
JPS6384711U (en) * 1986-11-22 1988-06-03
JPS6384712U (en) * 1986-11-22 1988-06-03
JPH0433528Y2 (en) * 1986-11-22 1992-08-11
JPH0433527Y2 (en) * 1986-11-22 1992-08-11
JPS63261509A (en) * 1987-04-20 1988-10-28 Canon Electronics Inc Production of thin film magnetic head
US5236735A (en) * 1989-05-27 1993-08-17 Tdk Corporation Method of producing a thin film magnetic head

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