CN1210694C - 薄膜磁头和磁盘装置 - Google Patents

薄膜磁头和磁盘装置 Download PDF

Info

Publication number
CN1210694C
CN1210694C CN02132218.XA CN02132218A CN1210694C CN 1210694 C CN1210694 C CN 1210694C CN 02132218 A CN02132218 A CN 02132218A CN 1210694 C CN1210694 C CN 1210694C
Authority
CN
China
Prior art keywords
magnetic
film
pole
thin
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.)
Expired - Fee Related
Application number
CN02132218.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN1420489A (zh
Inventor
工藤一惠
冈田泰行
府山盛明
丸山洋治
及川玄
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
HGST Japan Ltd
Original Assignee
Hitachi Ltd
Hitachi Global Storage Technologies Japan 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, Hitachi Global Storage Technologies Japan Ltd filed Critical Hitachi Ltd
Publication of CN1420489A publication Critical patent/CN1420489A/zh
Application granted granted Critical
Publication of CN1210694C publication Critical patent/CN1210694C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/31—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
    • G11B5/3109—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
    • 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
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CN02132218.XA 2001-11-19 2002-08-30 薄膜磁头和磁盘装置 Expired - Fee Related CN1210694C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001352533A JP2003157509A (ja) 2001-11-19 2001-11-19 薄膜磁気ヘッド及びその製造方法、並びにそれを搭載した磁気ディスク装置
JP352533/2001 2001-11-19

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CNB2004101046738A Division CN1296894C (zh) 2001-11-19 2002-08-30 薄膜磁头的制造方法

Publications (2)

Publication Number Publication Date
CN1420489A CN1420489A (zh) 2003-05-28
CN1210694C true CN1210694C (zh) 2005-07-13

Family

ID=19164692

Family Applications (2)

Application Number Title Priority Date Filing Date
CN02132218.XA Expired - Fee Related CN1210694C (zh) 2001-11-19 2002-08-30 薄膜磁头和磁盘装置
CNB2004101046738A Expired - Fee Related CN1296894C (zh) 2001-11-19 2002-08-30 薄膜磁头的制造方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNB2004101046738A Expired - Fee Related CN1296894C (zh) 2001-11-19 2002-08-30 薄膜磁头的制造方法

Country Status (3)

Country Link
US (2) US6795272B2 (cg-RX-API-DMAC7.html)
JP (1) JP2003157509A (cg-RX-API-DMAC7.html)
CN (2) CN1210694C (cg-RX-API-DMAC7.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003198002A (ja) * 2001-12-25 2003-07-11 Fujitsu Ltd 磁気抵抗効果膜および強磁性積層構造体
US7688545B1 (en) * 2002-09-11 2010-03-30 Seagate Technology Llc Recording head writer with high magnetic moment material at the writer gap and associated process
KR20040069062A (ko) * 2003-01-28 2004-08-04 삼성전자주식회사 자기 기록헤드
US8670211B1 (en) 2004-03-31 2014-03-11 Western Digital (Fremont), Llc Method and system for providing high magnetic flux saturation CoFe films
US7333295B1 (en) * 2004-03-31 2008-02-19 Western Digital (Fremont), Llc Magnetic recording head with high saturation magnetic flux density CoNiFe thin film composition
US7446980B2 (en) * 2004-10-29 2008-11-04 Hitachi Global Storage Technologies Netherlands B.V. Method for manufacturing a stitched “floating” trailing shield for a perpendicular recording head
CN100401402C (zh) * 2006-09-20 2008-07-09 中国科学院上海光学精密机械研究所 蓝光可录存储的无机记录材料及其制备方法
US8228633B1 (en) 2008-08-21 2012-07-24 Western Digital (Fremont), Llc Method and system for providing a magnetic recording transducer having a hybrid moment pole
GB2511058A (en) * 2013-02-20 2014-08-27 Run Flat Systems Ltd A runflat device and fitting method
US9135930B1 (en) 2014-03-06 2015-09-15 Western Digital (Fremont), Llc Method for fabricating a magnetic write pole using vacuum deposition
JP6303733B2 (ja) * 2014-03-31 2018-04-04 ソニー株式会社 磁気記録媒体およびその製造方法、ならびに成膜装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5831801A (en) * 1997-01-21 1998-11-03 Yamaha Corporation Thin film magnetic head with special pole configuration
JP3795236B2 (ja) * 1997-10-01 2006-07-12 Ｔｄｋ株式会社 薄膜磁気ヘッド
US6172848B1 (en) * 1998-04-10 2001-01-09 International Business Machines Corporation Write head with self aligned pedestal shaped pole tips that are separated by a zero throat height defining layer
US6104576A (en) * 1998-04-10 2000-08-15 International Business Machines Corporation Inductive head with reduced height insulation stack due to partial coverage zero throat height defining insulation layer
JP2002123906A (ja) * 2000-10-18 2002-04-26 Fujitsu Ltd 薄膜磁気ヘッド
US6778357B2 (en) * 2000-11-10 2004-08-17 Seagate Technology Llc Electrodeposited high-magnetic-moment material at writer gap pole

Also Published As

Publication number Publication date
US20030095357A1 (en) 2003-05-22
US20050007698A1 (en) 2005-01-13
JP2003157509A (ja) 2003-05-30
US6795272B2 (en) 2004-09-21
CN1296894C (zh) 2007-01-24
CN1645479A (zh) 2005-07-27
CN1420489A (zh) 2003-05-28

Similar Documents

Publication Publication Date Title
EP0013883B1 (en) Thin magnetic film heads
US6063512A (en) Soft magnetic thin film having Co, Ni and Fe as main ingredients, method of manufacturing the same and magnetic head and magnetic storage unit using the soft magnetic thin film
US7515380B2 (en) Magnetic head and method for production therefor
CN1210694C (zh) 薄膜磁头和磁盘装置
US20100273026A1 (en) Patterned Magnetic Recording Media By Selective Anodic Removal Of An Element
JPH11328647A (ja) 磁気記録媒体および磁気記録媒体の製造方法
US7995311B2 (en) Magnetic shield, manufacturing method thereof and thin film magnetic head employing the same
CN1446352A (zh) 一种磁头
US7842408B2 (en) Magnetic film, manufacturing method thereof and thin film magnetic head
JPH0323972B2 (cg-RX-API-DMAC7.html)
JP4523460B2 (ja) 磁性膜とその製造方法及びこれを使用した薄膜磁気ヘッドと磁気ディスク装置
WO2004084193A1 (ja) 磁気記録媒体及びその製造方法、並びに、磁気記録装置及び磁気記録方法
Yamada et al. Shielded magnetoresistive head for high density recording
JP2560482B2 (ja) 磁気抵抗効果ヘッド
JP2000173014A (ja) 薄膜磁気ヘッド及び磁気記録ヘッド並びに磁気ディスク装置
US8568908B2 (en) Method for manufacturing magnetic film and magnetic film
CN1719521A (zh) 磁性膜、硬盘驱动装置的磁头和固体器件
JPH05174334A (ja) 磁気抵抗効果型磁気ヘッド
US20090154014A1 (en) Thin film magnetic head and manufacturing method thereof
JPH0863715A (ja) 磁気抵抗効果ヘッドおよびその製造方法
CN101038812A (zh) 磁头制造方法及磁头
JPS63134668A (ja) 磁性めつき液
CN1167969A (zh) 磁头装置及使用该磁头装置的磁记录装置
JP2009151833A (ja) 薄膜磁気ヘッドおよびその製造方法
JPH0573842A (ja) 薄膜磁気ヘツドの製造方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee