CN1292403C - 具有非磁性籽晶层的垂直写入磁极 - Google Patents

具有非磁性籽晶层的垂直写入磁极 Download PDF

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Publication number
CN1292403C
CN1292403C CN 03107800 CN03107800A CN1292403C CN 1292403 C CN1292403 C CN 1292403C CN 03107800 CN03107800 CN 03107800 CN 03107800 A CN03107800 A CN 03107800A CN 1292403 C CN1292403 C CN 1292403C
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CN
China
Prior art keywords
crystal layer
inculating crystal
write head
magnetic
main pole
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
CN 03107800
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English (en)
Chinese (zh)
Other versions
CN1508774A (zh
Inventor
P·K·M·麦吉恩
A·M·贝尔
A·B·约翰斯顿
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
Priority claimed from GBGB0207724.6A external-priority patent/GB0207724D0/en
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of CN1508774A publication Critical patent/CN1508774A/zh
Application granted granted Critical
Publication of CN1292403C publication Critical patent/CN1292403C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
CN 03107800 2002-04-03 2003-04-03 具有非磁性籽晶层的垂直写入磁极 Expired - Fee Related CN1292403C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0207724.6 2002-04-03
GBGB0207724.6A GB0207724D0 (en) 2002-04-03 2002-04-03 Patent submission-Ruthenium as non-magnetic sedlayer for electrodeposition
US10/321,043 US6807027B2 (en) 2002-04-03 2002-12-17 Ruthenium as non-magnetic seedlayer for electrodeposition
US10/321,043 2002-12-17

Publications (2)

Publication Number Publication Date
CN1508774A CN1508774A (zh) 2004-06-30
CN1292403C true CN1292403C (zh) 2006-12-27

Family

ID=28793305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03107800 Expired - Fee Related CN1292403C (zh) 2002-04-03 2003-04-03 具有非磁性籽晶层的垂直写入磁极

Country Status (4)

Country Link
JP (1) JP4689947B2 (ja)
CN (1) CN1292403C (ja)
DE (1) DE10315266A1 (ja)
SG (1) SG115532A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7580222B2 (en) * 2004-06-18 2009-08-25 Headway Technologies, Inc. Thin-film magnetic head, a head gimbal assembly and hard disk drive
US7440229B2 (en) * 2004-06-18 2008-10-21 Headway Technologies, Inc. Thin-film magnetic head having a write shield layer
JP2006269690A (ja) 2005-03-23 2006-10-05 Fujitsu Ltd 軟磁性薄膜および磁気記録ヘッド
US7463450B2 (en) * 2005-05-23 2008-12-09 Headweay Technologies, Inc. Thin film magnetic head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3539732B2 (ja) * 1993-11-23 2004-07-07 シーゲイト テクノロジー エルエルシー 薄いニッケル下層を備えた薄膜磁気ヘッド
EP0670570B1 (en) * 1994-03-03 2000-04-26 Seagate Technology International Magnetoresistive head and method of manufacture thereof
US6169646B1 (en) * 1998-11-18 2001-01-02 Seagate Technology, Inc. Magnetoresistive shield incorporating seedlayer for anisotropy enhancement
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
JP3565492B2 (ja) * 2000-02-17 2004-09-15 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
JP2002092821A (ja) * 2000-09-18 2002-03-29 Hitachi Ltd 単磁極型磁気ヘッド及びそれを搭載した磁気ディスク装置
JP3875020B2 (ja) * 2000-12-26 2007-01-31 アルプス電気株式会社 垂直磁気記録ヘッドの製造方法
JP4130868B2 (ja) * 2001-03-19 2008-08-06 株式会社日立グローバルストレージテクノロジーズ 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置

Also Published As

Publication number Publication date
JP2004127479A (ja) 2004-04-22
JP4689947B2 (ja) 2011-06-01
CN1508774A (zh) 2004-06-30
DE10315266A1 (de) 2003-10-30
SG115532A1 (en) 2005-10-28

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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
C56 Change in the name or address of the patentee

Owner name: SEAGATE TECHNOLOGY SCIENCE & TECHNOLOGY CO., LTD.

Free format text: FORMER NAME OR ADDRESS: SEAGATE TECHNOLOGY LLC

CP01 Change in the name or title of a patent holder

Address after: American California

Patentee after: Seagate Technology LLC

Address before: American California

Patentee before: Seagate Technology, Inc.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20061227

Termination date: 20170403