CN101064115A - 用于减小温度引起的突出的磁写头 - Google Patents

用于减小温度引起的突出的磁写头 Download PDF

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Publication number
CN101064115A
CN101064115A CNA2007101018676A CN200710101867A CN101064115A CN 101064115 A CN101064115 A CN 101064115A CN A2007101018676 A CNA2007101018676 A CN A2007101018676A CN 200710101867 A CN200710101867 A CN 200710101867A CN 101064115 A CN101064115 A CN 101064115A
Authority
CN
China
Prior art keywords
coil
magnetic
layer
utmost point
photoresist
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
CNA2007101018676A
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English (en)
Chinese (zh)
Inventor
萧文千
徐一民
李显邦
弗拉迪米尔·尼基汀
凯塔林·彭特克
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.)
HGST Inc
Original Assignee
Hitachi Global Storage Technologies Inc
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 Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Inc
Publication of CN101064115A publication Critical patent/CN101064115A/zh
Pending 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
    • G11B5/3109—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
    • G11B5/3136—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 for reducing the pole-tip-protrusion at the head transducing surface, e.g. caused by thermal expansion of dissimilar materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
CNA2007101018676A 2006-04-25 2007-04-25 用于减小温度引起的突出的磁写头 Pending CN101064115A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/411,590 2006-04-25
US11/411,590 US7593183B2 (en) 2006-04-25 2006-04-25 Magnetic write head design for reducing temperature induced protrusion

Publications (1)

Publication Number Publication Date
CN101064115A true CN101064115A (zh) 2007-10-31

Family

ID=38619242

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007101018676A Pending CN101064115A (zh) 2006-04-25 2007-04-25 用于减小温度引起的突出的磁写头

Country Status (3)

Country Link
US (1) US7593183B2 (https=)
JP (1) JP2007294088A (https=)
CN (1) CN101064115A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN112992192A (zh) * 2019-11-29 2021-06-18 意法半导体股份有限公司 用于硬盘存储器系统的读/写设备以及对应的制造工艺

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* Cited by examiner, † Cited by third party
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US7515381B2 (en) * 2005-12-22 2009-04-07 Hitachi Global Storage Technologies Netherlands B.V. Method for fabricating a side shield for a flux guide layer for perpendicular magnetic recording
JP2008112545A (ja) * 2006-10-31 2008-05-15 Fujitsu Ltd ヘッドスライダ支持機構の製造方法、ヘッドスライダおよび記憶装置
JP2009157987A (ja) * 2007-12-26 2009-07-16 Hitachi Global Storage Technologies Netherlands Bv ヘッド・スライダのリセス量を調整する方法及びディスク・ドライブ装置
JP2010118099A (ja) * 2008-11-11 2010-05-27 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド・スライダ及び磁気ヘッド・スライダの製造方法
US8749920B1 (en) 2011-12-16 2014-06-10 Western Digital (Fremont), Llc Magnetic recording head with dynamic fly height heating and having thermally controlled pole tip protrusion to control and protect reader element
US8670214B1 (en) * 2011-12-20 2014-03-11 Western Digital (Fremont), Llc Method and system for providing enhanced thermal expansion for hard disk drives
US8861317B1 (en) 2013-04-02 2014-10-14 Western Digital (Fremont), Llc Heat assisted magnetic recording transducer having protective pads
US9343098B1 (en) 2013-08-23 2016-05-17 Western Digital (Fremont), Llc Method for providing a heat assisted magnetic recording transducer having protective pads
US9099116B2 (en) 2013-08-28 2015-08-04 HGST Netherlands, B.V. Stiff discrete insert array for thermal PTR management with desired induced stress state that reduces tendency for write pole erasure
US9411234B2 (en) * 2014-10-01 2016-08-09 Seagate Technology Llc Writer pole formation
US9478242B1 (en) 2016-03-25 2016-10-25 Western Digital (Fremont), Llc Magnetic recording apparatus having a recessed additional pole segment

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JPH07311912A (ja) * 1994-05-16 1995-11-28 Daido Steel Co Ltd 薄膜コイルの製造方法
US6226860B1 (en) 1997-07-22 2001-05-08 Seagate Technology, Inc. Method of forming an inductive writer having a high conductor/insulator ratio
JP3523092B2 (ja) 1998-11-18 2004-04-26 Ｔｄｋ株式会社 薄膜磁気ヘッドおよびその製造方法
JP2001060307A (ja) * 1999-08-24 2001-03-06 Tdk Corp 薄膜磁気ヘッドおよびその製造方法
JP2002298309A (ja) * 2001-01-26 2002-10-11 Alps Electric Co Ltd 磁気ヘッド及びその製造方法
US6728065B2 (en) * 2001-03-29 2004-04-27 Seagate Technology Llc Single pole magnetic recording head for perpendicular magnetic recording
US6693769B2 (en) * 2001-06-18 2004-02-17 Hitachi Global Storage Technologies Netherlands B.V. High data rate write head
US6757141B2 (en) * 2002-01-18 2004-06-29 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular recording write head with a ferromagnetic shaping layer
JP3950789B2 (ja) * 2002-07-17 2007-08-01 アルプス電気株式会社 薄膜磁気ヘッドの製造方法
US6989963B2 (en) * 2002-09-13 2006-01-24 Seagate Technology Llc Writer core structures having improved thermal dissipation properties
US6804879B2 (en) 2002-10-23 2004-10-19 Hitachi Global Storage Technologies Netherlands, B.V. Method of fabricating a magnetic transducer with a write head having a multi-layer coil
US20040085684A1 (en) 2002-11-05 2004-05-06 Basra Vijay K. Magnetic read/write head
JP3842724B2 (ja) 2002-11-29 2006-11-08 アルプス電気株式会社 磁気ヘッドの製造方法
US7031121B2 (en) * 2003-07-30 2006-04-18 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular recording magnetic head with a write shield magnetically coupled to a first pole piece
US7199973B2 (en) * 2003-09-26 2007-04-03 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording head with trailing shield throat height less than shaping layer distance from ABS
US7322095B2 (en) * 2004-04-21 2008-01-29 Headway Technologies, Inc. Process of manufacturing a four-sided shield structure for a perpendicular write head
US7394621B2 (en) * 2004-06-30 2008-07-01 Headway Technologies, Inc. Using bilayer lithography process to define neck height for PMR
US7292408B2 (en) * 2004-07-30 2007-11-06 Hitachi Global Storage Technologies Netherlands B.V. Bilayer coil insulation for magnetic write heads to minimize pole recession
JP4286208B2 (ja) * 2004-10-20 2009-06-24 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 垂直記録用磁気ヘッドとその製造方法及びそれを用いた磁気ディスク装置
JP4763264B2 (ja) * 2004-10-25 2011-08-31 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 垂直記録用磁気ヘッド
US7551396B2 (en) * 2005-04-27 2009-06-23 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic write head having a studded trailing shield compatible with read/write offset
JP2007242131A (ja) * 2006-03-08 2007-09-20 Fujitsu Ltd 磁気ヘッドの製造方法および磁気ヘッド
US7612963B2 (en) * 2006-06-30 2009-11-03 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording head with photoresist dam between write coil and air bearing surface

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112992192A (zh) * 2019-11-29 2021-06-18 意法半导体股份有限公司 用于硬盘存储器系统的读/写设备以及对应的制造工艺
US11482248B2 (en) 2019-11-29 2022-10-25 Stmicroelectronics S.R.L. Read/write device for a hard-disk memory system, and corresponding manufacturing process
CN112992192B (zh) * 2019-11-29 2023-01-13 意法半导体股份有限公司 用于硬盘存储器系统的读/写设备以及对应的制造工艺
US11810604B2 (en) 2019-11-29 2023-11-07 Stmicroelectronics S.R.L. Read/write device for a hard-disk memory system, and corresponding manufacturing process

Also Published As

Publication number Publication date
US20070247750A1 (en) 2007-10-25
JP2007294088A (ja) 2007-11-08
US7593183B2 (en) 2009-09-22

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