JP2007294088A - 熱的に誘発される突出を減少せしめる磁気書き込みヘッド及びその製造方法 - Google Patents

熱的に誘発される突出を減少せしめる磁気書き込みヘッド及びその製造方法 Download PDF

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Publication number
JP2007294088A
JP2007294088A JP2007096452A JP2007096452A JP2007294088A JP 2007294088 A JP2007294088 A JP 2007294088A JP 2007096452 A JP2007096452 A JP 2007096452A JP 2007096452 A JP2007096452 A JP 2007096452A JP 2007294088 A JP2007294088 A JP 2007294088A
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JP
Japan
Prior art keywords
coil
layer
magnetic
write
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
JP2007096452A
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English (en)
Japanese (ja)
Other versions
JP2007294088A5 (enExample
Inventor
Wen-Chien David Hsiao
ウェンシェン・デビッド・シャオ
Yimin Hsu
イーミン・スー
Hin Pon Lee Edward
エドワード・ヒン・ポン・リー
Vladimir Nikitin
ウラジミール・ニキーチン
Katalin Pentek
カタリン・ペンテック
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 Netherlands BV
HGST Inc
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
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.)
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Publication date
Application filed by Hitachi Global Storage Technologies Netherlands BV, Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Netherlands BV
Publication of JP2007294088A publication Critical patent/JP2007294088A/ja
Publication of JP2007294088A5 publication Critical patent/JP2007294088A5/ja
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)
JP2007096452A 2006-04-25 2007-04-02 熱的に誘発される突出を減少せしめる磁気書き込みヘッド及びその製造方法 Pending JP2007294088A (ja)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JP2007294088A true JP2007294088A (ja) 2007-11-08
JP2007294088A5 JP2007294088A5 (enExample) 2010-04-15

Family

ID=38619242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007096452A Pending JP2007294088A (ja) 2006-04-25 2007-04-02 熱的に誘発される突出を減少せしめる磁気書き込みヘッド及びその製造方法

Country Status (3)

Country Link
US (1) US7593183B2 (enExample)
JP (1) JP2007294088A (enExample)
CN (1) CN101064115A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
IT201900022488A1 (it) * 2019-11-29 2021-05-29 St Microelectronics Srl Dispositivo di lettura/scrittura per un sistema di memoria a disco rigido e relativo procedimento di fabbricazione

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07311912A (ja) * 1994-05-16 1995-11-28 Daido Steel Co Ltd 薄膜コイルの製造方法
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
JP2003030803A (ja) * 2001-06-18 2003-01-31 Internatl Business Mach Corp <Ibm> 磁気ヘッド組立体およびその製造方法
JP2005050510A (ja) * 2003-07-30 2005-02-24 Hitachi Global Storage Technologies Netherlands Bv 第１磁極片に磁気的に結合された書込みシールドを有する垂直記録磁気ヘッド

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6728065B2 (en) * 2001-03-29 2004-04-27 Seagate Technology Llc Single pole magnetic recording head for perpendicular magnetic recording
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07311912A (ja) * 1994-05-16 1995-11-28 Daido Steel Co Ltd 薄膜コイルの製造方法
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
JP2003030803A (ja) * 2001-06-18 2003-01-31 Internatl Business Mach Corp <Ibm> 磁気ヘッド組立体およびその製造方法
JP2005050510A (ja) * 2003-07-30 2005-02-24 Hitachi Global Storage Technologies Netherlands Bv 第１磁極片に磁気的に結合された書込みシールドを有する垂直記録磁気ヘッド

Also Published As

Publication number Publication date
CN101064115A (zh) 2007-10-31
US7593183B2 (en) 2009-09-22
US20070247750A1 (en) 2007-10-25

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