JPS57162115A - Thin-film magnetic head element - Google Patents

Thin-film magnetic head element

Info

Publication number
JPS57162115A
JPS57162115A JP4680181A JP4680181A JPS57162115A JP S57162115 A JPS57162115 A JP S57162115A JP 4680181 A JP4680181 A JP 4680181A JP 4680181 A JP4680181 A JP 4680181A JP S57162115 A JPS57162115 A JP S57162115A
Authority
JP
Japan
Prior art keywords
polishing
mark
pole
thin
magnetic head
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
JP4680181A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0227727B2 (enrdf_load_stackoverflow
Inventor
Kazuhiko Yamada
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4680181A priority Critical patent/JPS57162115A/ja
Publication of JPS57162115A publication Critical patent/JPS57162115A/ja
Publication of JPH0227727B2 publication Critical patent/JPH0227727B2/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
    • G11B5/313—Disposition of layers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP4680181A 1981-03-30 1981-03-30 Thin-film magnetic head element Granted JPS57162115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4680181A JPS57162115A (en) 1981-03-30 1981-03-30 Thin-film magnetic head element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4680181A JPS57162115A (en) 1981-03-30 1981-03-30 Thin-film magnetic head element

Publications (2)

Publication Number Publication Date
JPS57162115A true JPS57162115A (en) 1982-10-05
JPH0227727B2 JPH0227727B2 (enrdf_load_stackoverflow) 1990-06-19

Family

ID=12757428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4680181A Granted JPS57162115A (en) 1981-03-30 1981-03-30 Thin-film magnetic head element

Country Status (1)

Country Link
JP (1) JPS57162115A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223919A (ja) * 1983-06-03 1984-12-15 Sanyo Electric Co Ltd 薄膜磁気ヘツドの製造方法
US5901431A (en) * 1995-06-07 1999-05-11 International Business Machines Corporation Method of fabricating a thin film inductive head having a second pole piece having a mushroom yoke portion
KR100307084B1 (ko) * 1991-05-08 2001-11-30 워나 에이. 박막자기헤드 제조방법 및 그 방법으로 제조된 반제품 박막자기헤드
US6785952B2 (en) * 1998-08-06 2004-09-07 Tdk Corporation Method for manufacturing a thin film magnetic head

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS459502Y1 (enrdf_load_stackoverflow) * 1967-09-11 1970-05-04
JPS4835866U (enrdf_load_stackoverflow) * 1971-09-01 1973-04-28
JPS5629832A (en) * 1979-08-10 1981-03-25 Nec Corp Manufacture for thin film magnetic head

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS459502Y1 (enrdf_load_stackoverflow) * 1967-09-11 1970-05-04
JPS4835866U (enrdf_load_stackoverflow) * 1971-09-01 1973-04-28
JPS5629832A (en) * 1979-08-10 1981-03-25 Nec Corp Manufacture for thin film magnetic head

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223919A (ja) * 1983-06-03 1984-12-15 Sanyo Electric Co Ltd 薄膜磁気ヘツドの製造方法
KR100307084B1 (ko) * 1991-05-08 2001-11-30 워나 에이. 박막자기헤드 제조방법 및 그 방법으로 제조된 반제품 박막자기헤드
US5901431A (en) * 1995-06-07 1999-05-11 International Business Machines Corporation Method of fabricating a thin film inductive head having a second pole piece having a mushroom yoke portion
US6785952B2 (en) * 1998-08-06 2004-09-07 Tdk Corporation Method for manufacturing a thin film magnetic head

Also Published As

Publication number Publication date
JPH0227727B2 (enrdf_load_stackoverflow) 1990-06-19

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