JP2004247001A - 記録再生分離型磁気ヘッド - Google Patents

記録再生分離型磁気ヘッド Download PDF

Info

Publication number
JP2004247001A
JP2004247001A JP2003037680A JP2003037680A JP2004247001A JP 2004247001 A JP2004247001 A JP 2004247001A JP 2003037680 A JP2003037680 A JP 2003037680A JP 2003037680 A JP2003037680 A JP 2003037680A JP 2004247001 A JP2004247001 A JP 2004247001A
Authority
JP
Japan
Prior art keywords
film
magnetic pole
shield
magnetoresistive
thickness
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
JP2003037680A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004247001A5 (enExample
Inventor
Tadayuki Iwakura
忠幸 岩倉
Yoji Maruyama
洋治 丸山
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2003037680A priority Critical patent/JP2004247001A/ja
Priority to TW092134596A priority patent/TWI261818B/zh
Priority to US10/778,909 priority patent/US7262940B2/en
Priority to KR1020040010305A priority patent/KR100621505B1/ko
Publication of JP2004247001A publication Critical patent/JP2004247001A/ja
Publication of JP2004247001A5 publication Critical patent/JP2004247001A5/ja
Pending legal-status Critical Current

Links

Images

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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3912—Arrangements in which the active read-out elements are transducing in association with active magnetic shields, e.g. magnetically coupled shields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D7/00—Planing or slotting machines characterised only by constructional features of particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D1/00—Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
    • B23D1/08—Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool
    • B23D1/10—Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool with means for adjusting the tool-guide vertically

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Mechanical Engineering (AREA)
JP2003037680A 2003-02-17 2003-02-17 記録再生分離型磁気ヘッド Pending JP2004247001A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003037680A JP2004247001A (ja) 2003-02-17 2003-02-17 記録再生分離型磁気ヘッド
TW092134596A TWI261818B (en) 2003-02-17 2003-12-08 Recording/reproducing separation type magnetic head
US10/778,909 US7262940B2 (en) 2003-02-17 2004-02-12 Separate read/write magnetic head
KR1020040010305A KR100621505B1 (ko) 2003-02-17 2004-02-17 기록 재생 분리형 자기 헤드

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003037680A JP2004247001A (ja) 2003-02-17 2003-02-17 記録再生分離型磁気ヘッド

Publications (2)

Publication Number Publication Date
JP2004247001A true JP2004247001A (ja) 2004-09-02
JP2004247001A5 JP2004247001A5 (enExample) 2005-11-04

Family

ID=33022400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003037680A Pending JP2004247001A (ja) 2003-02-17 2003-02-17 記録再生分離型磁気ヘッド

Country Status (4)

Country Link
US (1) US7262940B2 (enExample)
JP (1) JP2004247001A (enExample)
KR (1) KR100621505B1 (enExample)
TW (1) TWI261818B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5338711B2 (ja) * 2010-02-23 2013-11-13 Ｔｄｋ株式会社 磁気センサー、磁気検出装置、及び磁気ヘッド
US8432773B2 (en) 2010-12-08 2013-04-30 Tdk Corporation Thermally-assisted magnetic head having bank layer between magnetic pole and plasmon generator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633771A (en) * 1993-09-29 1997-05-27 Kabushiki Kaisha Toshiba Magnetoresistance effect type head and separate recording-reproducing type magnetic head
KR0153311B1 (ko) * 1994-04-06 1998-12-15 가나이 쯔도무 자기 저항 효과형 박막 자기 헤드 및 그 제조 방법
JPH10162322A (ja) * 1996-11-28 1998-06-19 Nec Corp 磁気抵抗効果型複合ヘッドおよびその製造方法
JP2914343B2 (ja) * 1997-04-07 1999-06-28 日本電気株式会社 磁気抵抗効果型複合ヘッド及びその製造方法並びに磁気記憶装置
KR100623812B1 (ko) * 1998-07-21 2006-09-12 시게이트 테크놀로지 엘엘씨 자기저항 기록 헤드에서의 센서 온도 감소
JP2000306215A (ja) * 1999-04-16 2000-11-02 Toshiba Corp 磁気ヘッド及びこれを用いた磁気ディスク装置
JP3599235B2 (ja) * 1999-07-19 2004-12-08 Ｔｄｋ株式会社 薄膜磁気ヘッド、磁気ヘッド装置及び磁気ディスク装置
JP3473684B2 (ja) * 1999-11-08 2003-12-08 日本電気株式会社 磁気ヘッドおよびその製造方法、それを用いる磁気記録再生装置
JP2001110008A (ja) * 1999-10-06 2001-04-20 Nec Corp 磁気ヘッドおよびその製造方法、および磁気記録再生装置

Also Published As

Publication number Publication date
TWI261818B (en) 2006-09-11
KR20040074952A (ko) 2004-08-26
US20040228041A1 (en) 2004-11-18
TW200421289A (en) 2004-10-16
US7262940B2 (en) 2007-08-28
KR100621505B1 (ko) 2006-09-14

Similar Documents

Publication Publication Date Title
US6920020B2 (en) Thin-film merged magnetic head having a heat-generating layer
US7580222B2 (en) Thin-film magnetic head, a head gimbal assembly and hard disk drive
US8358487B2 (en) Thin-film magnetic head having coil of varying thinknesses in spaces adjacent the main magnetic pole
JP2003157510A (ja) 薄膜書込みヘッド、データ記憶システム、及び薄膜書込みヘッドの製造方法
KR20050012142A (ko) 열 보조 기록 요소를 구비하는 수직형 자기 헤드 및 그제조 방법
US20070019327A1 (en) Main pole structure coupled with trailing gap for perpendicular recording
JP2010146651A (ja) 磁気ヘッド・スライダ
JP2667374B2 (ja) 磁気ディスク記憶システムのための薄膜型磁気トランスジューサの製造方法
JP3367877B2 (ja) 薄膜磁気ヘッド及びその製造方法
JP2000331318A (ja) 磁気抵抗効果ヘッド
JP2000113425A (ja) 薄膜磁気ヘッドおよびその製造方法
US7155808B2 (en) Method of making thin film magnetic head
JP2004247001A (ja) 記録再生分離型磁気ヘッド
JP4230702B2 (ja) Ｃｐｐ構造磁気抵抗効果素子の製造方法
JPH08115511A (ja) フラックスガイド型ｇｍｒヘッド
JP2004005775A (ja) 記録再生分離型ヘッド
JP2003022504A (ja) 磁気抵抗効果型素子、および、その製造方法、それを用いた薄膜磁気ヘッド、磁気ヘッド装置、及び磁気ディスク装置
US7321480B2 (en) Thin-film magnetic head having magnetic layers of different thicknesses and fabrication method for same
WO2001003129A1 (en) Method of manufacturing thin-film magnetic head
JP2002140803A (ja) 磁気ヘッドおよび磁気ヘッドの製造方法およびこれを用いた磁気ディスク装置
JP4079427B2 (ja) 薄膜磁気ヘッドおよびその製造方法、ヘッドジンバルアセンブリならびにハードディスク装置
JP4000142B2 (ja) 薄膜磁気ヘッド、ヘッドジンバルアセンブリおよびハードディスク装置
JP2004326853A (ja) 薄膜磁気ヘッドおよびその製造方法、ヘッドジンバルアセンブリならびにハードディスク装置
JP2001184611A (ja) 薄膜磁気ヘッドおよびその製造方法
JP2006261313A (ja) 軟磁性膜および薄膜磁気ヘッド

Legal Events

Date Code Title Description
A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20050105

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050809

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050809

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20050809

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20050809

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20050906

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20051108

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060228

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060427

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20060801

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060929

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20061006

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20061107

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20061201

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080707