DE69318042T2 - Dünnfilmmagnetköpfe mit dünnen nickelunterlagen - Google Patents

Dünnfilmmagnetköpfe mit dünnen nickelunterlagen

Info

Publication number
DE69318042T2
DE69318042T2 DE69318042T DE69318042T DE69318042T2 DE 69318042 T2 DE69318042 T2 DE 69318042T2 DE 69318042 T DE69318042 T DE 69318042T DE 69318042 T DE69318042 T DE 69318042T DE 69318042 T2 DE69318042 T2 DE 69318042T2
Authority
DE
Germany
Prior art keywords
thin
film magnet
thin film
magnet heads
nickel pads
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 - Fee Related
Application number
DE69318042T
Other languages
English (en)
Other versions
DE69318042D1 (de
Inventor
Frank Stageberg
Mark Miller
Kenneth Ash
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Priority claimed from PCT/US1993/011571 external-priority patent/WO1995014991A1/en
Publication of DE69318042D1 publication Critical patent/DE69318042D1/de
Application granted granted Critical
Publication of DE69318042T2 publication Critical patent/DE69318042T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
DE69318042T 1993-11-23 1993-11-23 Dünnfilmmagnetköpfe mit dünnen nickelunterlagen Expired - Fee Related DE69318042T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1993/011571 WO1995014991A1 (en) 1993-11-23 1993-11-23 Thin film magnetic heads with thin nickel underlayers

Publications (2)

Publication Number Publication Date
DE69318042D1 DE69318042D1 (de) 1998-05-20
DE69318042T2 true DE69318042T2 (de) 1998-08-06

Family

ID=22237237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69318042T Expired - Fee Related DE69318042T2 (de) 1993-11-23 1993-11-23 Dünnfilmmagnetköpfe mit dünnen nickelunterlagen

Country Status (4)

Country Link
US (1) US6125010A (de)
JP (1) JP3539732B2 (de)
DE (1) DE69318042T2 (de)
HK (1) HK1010069A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3474455B2 (ja) * 1998-09-10 2003-12-08 Ｔｄｋ株式会社 薄膜磁気ヘッドおよびその製造方法
JP3455155B2 (ja) * 1999-06-28 2003-10-14 アルプス電気株式会社 薄膜磁気ヘッド及びその製造方法
US6425989B1 (en) * 1999-12-16 2002-07-30 International Business Machines Corporation Method of sputtering high moment iron nitride based magnetic head layers
SG115532A1 (en) * 2002-04-03 2005-10-28 Seagate Technology Llc Perpendicular writer pole having a nonmagnetic seedlayer
GB0207724D0 (en) 2002-04-03 2002-05-15 Seagate Technology Llc Patent submission-Ruthenium as non-magnetic sedlayer for electrodeposition
US7298587B2 (en) * 2002-08-05 2007-11-20 Seagate Technology Llc Rounded top pole
US7684150B2 (en) * 2003-07-09 2010-03-23 Seagate Technology Llc Recording head for reducing side track erasure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103315A (en) * 1977-06-24 1978-07-25 International Business Machines Corporation Antiferromagnetic-ferromagnetic exchange bias films
DE2833249C2 (de) * 1978-07-28 1985-05-09 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Herstellung eines lamellierten Dünnschicht-Magnetkopfes mit mehreren Schichten aus abwechelnd magnetischem und unmagnetischem Material
JPH061729B2 (ja) * 1983-01-17 1994-01-05 株式会社日立製作所 磁性体膜およびそれを用いた磁気ヘッド
JPS59231722A (ja) * 1983-06-13 1984-12-26 Matsushita Electric Ind Co Ltd 薄膜磁気ヘッドの製造方法
HU190640B (en) * 1983-12-13 1986-09-29 Karman,Peter,Hu Integrated magnetic head, preferably for computer technology purposes
JPS6176642A (ja) * 1984-09-25 1986-04-19 Hitachi Ltd Ｃｏ―Ｎｉ―Ｆｅ合金の電気めっき浴及び電気めっき方法
US4907113A (en) * 1987-07-29 1990-03-06 Digital Equipment Corporation Three-pole magnetic recording head
DE3888680T2 (de) * 1987-12-04 1994-09-08 Digital Equipment Corp Lamellierte pole für magnetköpfe.
US4912584A (en) * 1988-03-09 1990-03-27 Digital Equipment Corporation Method for fabricating magnetic recording poles
FR2644292A1 (fr) * 1989-03-08 1990-09-14 Commissariat Energie Atomique Procede de depot electrolytique sur un substrat semi-conducteur
US5059278A (en) * 1990-09-28 1991-10-22 Seagate Technology Selective chemical removal of coil seed-layer in thin film head magnetic transducer
US5240740A (en) * 1990-11-26 1993-08-31 Digital Equipment Corporation Method of making a thin film head with minimized secondary pulses
US5375023A (en) * 1992-12-29 1994-12-20 International Business Machines Corporation Submicron thin film inductive head with self-aligned staggered pole-tips

Also Published As

Publication number Publication date
DE69318042D1 (de) 1998-05-20
JPH09505682A (ja) 1997-06-03
US6125010A (en) 2000-09-26
HK1010069A1 (en) 1999-06-11
JP3539732B2 (ja) 2004-07-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee