DE69011755D1 - Herstellungsverfahren einer Dünnfilmspule mit mehrteiliger Wicklung. - Google Patents

Herstellungsverfahren einer Dünnfilmspule mit mehrteiliger Wicklung.

Info

Publication number
DE69011755D1
DE69011755D1 DE69011755T DE69011755T DE69011755D1 DE 69011755 D1 DE69011755 D1 DE 69011755D1 DE 69011755 T DE69011755 T DE 69011755T DE 69011755 T DE69011755 T DE 69011755T DE 69011755 D1 DE69011755 D1 DE 69011755D1
Authority
DE
Germany
Prior art keywords
thin film
manufacturing process
film coil
part winding
winding
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 - Lifetime
Application number
DE69011755T
Other languages
English (en)
Other versions
DE69011755T2 (de
Inventor
Yuji Nagata
Toshio Fukazawa
Kumiko Wada
Yoshihiro Tosaki
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP15535089A external-priority patent/JP2629962B2/ja
Priority claimed from JP17223689A external-priority patent/JP2629964B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69011755D1 publication Critical patent/DE69011755D1/de
Application granted granted Critical
Publication of DE69011755T2 publication Critical patent/DE69011755T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/041—Printed circuit coils
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/4906—Providing winding
    • Y10T29/49062—Multilayered winding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/4906—Providing winding
    • Y10T29/49064—Providing winding by coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69011755T 1989-06-16 1990-06-13 Herstellungsverfahren einer Dünnfilmspule mit mehrteiliger Wicklung. Expired - Lifetime DE69011755T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15535089A JP2629962B2 (ja) 1989-06-16 1989-06-16 薄膜磁気ヘッドの製造方法
JP17223689A JP2629964B2 (ja) 1989-07-03 1989-07-03 薄膜磁気ヘッドの製造方法

Publications (2)

Publication Number Publication Date
DE69011755D1 true DE69011755D1 (de) 1994-09-29
DE69011755T2 DE69011755T2 (de) 1995-05-24

Family

ID=26483371

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011755T Expired - Lifetime DE69011755T2 (de) 1989-06-16 1990-06-13 Herstellungsverfahren einer Dünnfilmspule mit mehrteiliger Wicklung.

Country Status (3)

Country Link
US (1) US5022141A (de)
EP (1) EP0402880B1 (de)
DE (1) DE69011755T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9001147A (nl) * 1990-05-17 1991-12-16 Philips Nv Dunnefilm magneetkop.
US5621594A (en) * 1995-02-17 1997-04-15 Aiwa Research And Development, Inc. Electroplated thin film conductor coil assembly
US5703740A (en) * 1995-08-24 1997-12-30 Velocidata, Inc. Toroidal thin film head
US6496330B1 (en) * 1999-09-09 2002-12-17 Read-Rite Corporation Magnetic write head having a splitcoil structure
US6819527B1 (en) * 2000-03-23 2004-11-16 Hitachi Global Storage Technologies, Inc. Magnetic head with lower coil traces connected to integrally formed vertical interconnects and upper coil traces through plural insulating layer arrangement
JP4008654B2 (ja) * 2000-11-29 2007-11-14 新科實業有限公司 薄膜磁気ヘッドおよびその製造方法
JP2004087023A (ja) * 2002-08-28 2004-03-18 Shinka Jitsugyo Kk 薄膜磁気ヘッド
JP3950828B2 (ja) 2003-03-14 2007-08-01 アルプス電気株式会社 薄膜磁気ヘッドの製造方法
US20080068752A1 (en) * 2006-09-19 2008-03-20 International Business Machines Corporation Planar Bidirectional Tape Head With Planar Read And Write Elements
US7978429B2 (en) * 2006-09-19 2011-07-12 International Business Machines Corporation Low track pitch write module and bidirectional tape head
US20080068750A1 (en) * 2006-09-19 2008-03-20 International Business Machines Corporation Planar Write Module And Hybrid Planar Write-Vertical Read Bidirectional Tape Head
US8004792B2 (en) * 2007-04-12 2011-08-23 International Business Machines Corporation Magnetic write transducer
KR102194727B1 (ko) 2015-04-29 2020-12-23 삼성전기주식회사 인덕터
US9715888B1 (en) 2016-04-15 2017-07-25 Seagate Technology Llc Data writer with shaped write coil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29326E (en) * 1969-10-28 1977-07-26 Commissariat A L'energie Atomique Integrated magnetic head having alternate conducting and insulating layers within an open loop of two magnetic films
JPS5644119A (en) * 1979-09-19 1981-04-23 Hitachi Ltd Magnetic head
CA1177127A (en) * 1980-11-14 1984-10-30 William H. Morong, Iii Miniaturized transformer construction
JPS5758217A (en) * 1981-07-27 1982-04-07 Hitachi Ltd Thin film magnetic head
US4700253A (en) * 1983-11-22 1987-10-13 Minnesota Mining And Manufacturing Company Slanted pole head for magnetic recording
JPH06101099B2 (ja) * 1984-12-21 1994-12-12 日本電信電話株式会社 薄膜ヘツド
US4861398A (en) * 1987-12-04 1989-08-29 Hitachi, Ltd. Method for making a thin film magnetic head
US4839197A (en) * 1988-04-13 1989-06-13 Storage Technology Corporation Process for fabricating thin film magnetic recording heads having precision control of the width tolerance of the upper pole tip
JPH0231316A (ja) * 1988-07-20 1990-02-01 Victor Co Of Japan Ltd 薄膜磁気ヘッド

Also Published As

Publication number Publication date
EP0402880A2 (de) 1990-12-19
DE69011755T2 (de) 1995-05-24
EP0402880B1 (de) 1994-08-24
US5022141A (en) 1991-06-11
EP0402880A3 (de) 1991-08-14

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP