SG44623A1 - A method of manufacturing a thin film magnetic transducer - Google Patents

A method of manufacturing a thin film magnetic transducer

Info

Publication number
SG44623A1
SG44623A1 SG1996004321A SG1996004321A SG44623A1 SG 44623 A1 SG44623 A1 SG 44623A1 SG 1996004321 A SG1996004321 A SG 1996004321A SG 1996004321 A SG1996004321 A SG 1996004321A SG 44623 A1 SG44623 A1 SG 44623A1
Authority
SG
Singapore
Prior art keywords
manufacturing
thin film
film magnetic
magnetic transducer
transducer
Prior art date
Application number
SG1996004321A
Other languages
English (en)
Inventor
Arthur Calderon
Beat Keel
Simon Liao
Original Assignee
Seagate Technology
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 filed Critical Seagate Technology
Publication of SG44623A1 publication Critical patent/SG44623A1/en

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
    • 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49044—Plural magnetic deposition 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
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material
    • 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)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
SG1996004321A 1990-02-15 1990-12-14 A method of manufacturing a thin film magnetic transducer SG44623A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/480,278 US4992901A (en) 1990-02-15 1990-02-15 Self aligned magnetic poles using sacrificial mask

Publications (1)

Publication Number Publication Date
SG44623A1 true SG44623A1 (en) 1997-12-19

Family

ID=23907350

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996004321A SG44623A1 (en) 1990-02-15 1990-12-14 A method of manufacturing a thin film magnetic transducer

Country Status (7)

Country Link
US (1) US4992901A (fr)
EP (1) EP0442212B1 (fr)
JP (1) JPH0778859B2 (fr)
KR (1) KR100264700B1 (fr)
DE (1) DE69032935T2 (fr)
HK (1) HK1012462A1 (fr)
SG (1) SG44623A1 (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079035A (en) * 1989-10-10 1992-01-07 International Business Machines Corporation Method of making a magnetoresistive read transducer having hard magnetic bias
US5141623A (en) * 1990-02-15 1992-08-25 Seagate Technology, Inc. Method for aligning pole tips in a thin film head
JPH0410208A (ja) * 1990-04-27 1992-01-14 Hitachi Ltd 薄膜磁気ヘッド及びその製造方法
US5137750A (en) * 1990-11-06 1992-08-11 Seagate Technology, Inc. Method of making a thin film head with contoured pole face edges for undershoot reduction
US5084957A (en) * 1990-11-06 1992-02-04 Seagate Technology, Inc. Method for aligning thin film head pole tips
US5256249A (en) * 1991-09-17 1993-10-26 Seagate Technology, Inc. Method of manufacturing a planarized magnetoresistive sensor
US5283942A (en) * 1992-12-29 1994-02-08 International Business Machines Corporation Sacrificial layer planarization process for fabricating a narrow thin film inductive head
US5452166A (en) * 1993-10-01 1995-09-19 Applied Magnetics Corporation Thin film magnetic recording head for minimizing undershoots and a method for manufacturing the same
US5699605A (en) * 1994-05-23 1997-12-23 Seagate Technology, Inc. Method for forming a magnetic thin film head with recessed basecoat
US5572392A (en) * 1994-11-17 1996-11-05 International Business Machines Corporation Arbitrary pattern write head assembly for writing timing-based servo patterns on magnetic storage media
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
US5578342A (en) * 1995-07-05 1996-11-26 Read-Rite Corporation Alignment of magnetic poles of thin film transducer
JP3349925B2 (ja) * 1996-09-10 2002-11-25 アルプス電気株式会社 薄膜磁気ヘッドの製造方法
JP2953401B2 (ja) * 1996-10-04 1999-09-27 日本電気株式会社 磁気抵抗効果型複合ヘッドの製造方法
US5804085A (en) * 1997-01-30 1998-09-08 Quantum Corporation Process for producing a pole-trimmed writer in a magnetoresistive read/write head and a data transducer made thereby
JPH10247305A (ja) * 1997-03-03 1998-09-14 Sanyo Electric Co Ltd 複合型薄膜磁気ヘッドの製造方法
JP3466041B2 (ja) * 1997-03-03 2003-11-10 アルプス電気株式会社 磁気ヘッドおよびその製造方法
JPH117608A (ja) * 1997-04-25 1999-01-12 Fujitsu Ltd 磁気ヘッド及びその製造方法
US5916423A (en) * 1997-05-06 1999-06-29 International Business Machines Corporation P1 notched write head with minimum overmilled p1 and p2
US6586049B2 (en) * 1997-08-28 2003-07-01 Tdk Corporation Patterning method using mask and manufacturing method for composite type thin film magnetic head using the patterning method
US6031695A (en) * 1997-09-05 2000-02-29 International Business Machines Corporation Combined read head and write head with non-magnetic electrically conductive layer on upper pole tip thereof
US5940250A (en) * 1997-10-21 1999-08-17 Maxtor Corporation Disk drive head having a read wide/write narrow architecture
US6158107A (en) * 1998-04-02 2000-12-12 International Business Machines Corporation Inverted merged MR head with plated notched first pole tip and self-aligned second pole tip
US6055138A (en) * 1998-05-06 2000-04-25 Read-Rite Corporation Thin film pedestal pole tips write head having narrower lower pedestal pole tip
US6490125B1 (en) 1999-04-09 2002-12-03 Read-Rite Corporation Thin film write head with improved yoke to pole stitch
JP2003507006A (ja) 1999-05-20 2003-02-25 サイオス，インコーポレーテッド 血管内皮増殖因子改変体
WO2000071716A2 (fr) * 1999-05-20 2000-11-30 Scios Inc. Dimeres, facteurs de croissance de l'endothelium vasculaire
US6383597B1 (en) * 2000-06-21 2002-05-07 International Business Machines Corporation Magnetic recording media with magnetic bit regions patterned by ion irradiation
US6713237B2 (en) 2000-07-27 2004-03-30 Seagate Technology Llc Single layer lift-off method for making an electronic device
US6788496B2 (en) 2001-08-22 2004-09-07 Seagate Technology Llc Narrow top pole of a write element
US7320170B2 (en) * 2004-04-20 2008-01-22 Headway Technologies, Inc. Xenon ion beam to improve track width definition
US9147407B2 (en) 2013-03-12 2015-09-29 Seagate Technology Llc Write head having non-magnetic write gap seed layer, and method
US9214167B2 (en) * 2013-03-12 2015-12-15 Seagate Technology Llc Main pole layer with at least tow sacrificial layers and a gap layer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024041A (en) * 1974-12-18 1977-05-17 Hitachi, Ltd. Method of forming deposition films for use in multi-layer metallization
JPS54114223A (en) * 1978-02-27 1979-09-06 Nippon Telegr & Teleph Corp <Ntt> Production of floating type thin film magnetic head
US4422117A (en) * 1980-04-11 1983-12-20 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head and method of making it
US4436593A (en) * 1981-07-13 1984-03-13 Memorex Corporation Self-aligned pole tips
JPS59104717A (ja) * 1982-12-08 1984-06-16 Comput Basic Mach Technol Res Assoc 薄膜磁気ヘツドおよびその製造方法
JPH061769B2 (ja) * 1983-08-10 1994-01-05 株式会社日立製作所 アルミナ膜のパターニング方法
JPS60133516A (ja) * 1983-12-22 1985-07-16 Hitachi Ltd 薄膜磁気ヘツドの製造方法
ATE36088T1 (de) * 1984-12-21 1988-08-15 Siemens Ag Duennfilm-magnetkopf auf einem nicht-magnetischen substrat zur senkrechten magnetisierung.
DE3513431A1 (de) * 1985-04-15 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung mindestens eines magnetkopfes in duennfilmtechnik
DE3735148A1 (de) * 1987-10-16 1989-05-03 Siemens Ag Duennfilm-magnetkopf mit schichtweisem aufbau
JPH01173308A (ja) * 1987-12-28 1989-07-10 Hitachi Ltd 薄膜磁気ヘッドの製造方法
US4912584A (en) * 1988-03-09 1990-03-27 Digital Equipment Corporation Method for fabricating magnetic recording poles
US5116719A (en) * 1990-02-15 1992-05-26 Seagate Technology, Inc. Top pole profile for pole tip trimming

Also Published As

Publication number Publication date
EP0442212A2 (fr) 1991-08-21
KR910015967A (ko) 1991-09-30
JPH03242810A (ja) 1991-10-29
US4992901A (en) 1991-02-12
HK1012462A1 (en) 1999-07-30
KR100264700B1 (ko) 2000-09-01
EP0442212A3 (en) 1993-01-20
DE69032935T2 (de) 1999-06-10
JPH0778859B2 (ja) 1995-08-23
EP0442212B1 (fr) 1999-02-03
DE69032935D1 (de) 1999-03-18

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