DE60304955D1 - Kühlkörper für einen magnetischen Aufzeichnungskopf - Google Patents

Kühlkörper für einen magnetischen Aufzeichnungskopf

Info

Publication number
DE60304955D1
DE60304955D1 DE60304955T DE60304955T DE60304955D1 DE 60304955 D1 DE60304955 D1 DE 60304955D1 DE 60304955 T DE60304955 T DE 60304955T DE 60304955 T DE60304955 T DE 60304955T DE 60304955 D1 DE60304955 D1 DE 60304955D1
Authority
DE
Germany
Prior art keywords
heat sink
recording head
magnetic recording
magnetic
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
DE60304955T
Other languages
English (en)
Other versions
DE60304955T2 (de
Inventor
Savas Gider
Wenchein Hsiao
Vladimir Nikitin
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 Netherlands BV
HGST 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 Netherlands BV, HGST Inc filed Critical Hitachi Global Storage Technologies Netherlands BV
Publication of DE60304955D1 publication Critical patent/DE60304955D1/de
Application granted granted Critical
Publication of DE60304955T2 publication Critical patent/DE60304955T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/105—Mounting of head within housing or assembling of head and housing
    • 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
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • 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
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488—Disposition of heads
    • G11B5/4886—Disposition of heads relative to rotating disc

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
DE60304955T 2002-08-08 2003-08-07 Kühlkörper für einen magnetischen Aufzeichnungskopf Expired - Fee Related DE60304955T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/215,230 US7170713B2 (en) 2002-08-08 2002-08-08 Heat sink for a magnetic recording head
US215230 2002-08-08

Publications (2)

Publication Number Publication Date
DE60304955D1 true DE60304955D1 (de) 2006-06-08
DE60304955T2 DE60304955T2 (de) 2007-01-04

Family

ID=31494823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60304955T Expired - Fee Related DE60304955T2 (de) 2002-08-08 2003-08-07 Kühlkörper für einen magnetischen Aufzeichnungskopf

Country Status (7)

Country Link
US (1) US7170713B2 (de)
JP (1) JP2004095146A (de)
KR (1) KR100597566B1 (de)
CN (1) CN100361200C (de)
DE (1) DE60304955T2 (de)
SG (1) SG121784A1 (de)
TW (1) TWI267068B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3636133B2 (ja) * 2001-11-29 2005-04-06 Ｔｄｋ株式会社 薄膜磁気ヘッド、該薄膜磁気ヘッドを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えた磁気ディスク装置
JP3632025B2 (ja) * 2003-02-26 2005-03-23 Ｔｄｋ株式会社 薄膜磁気ヘッド、ヘッドジンバルアセンブリ、及び、ハードディスク装置
US7262936B2 (en) * 2004-03-01 2007-08-28 Hitachi Global Storage Technologies Netherlands, B.V. Heating device and magnetic recording head for thermally-assisted recording
US8159783B2 (en) * 2004-05-17 2012-04-17 Hitachi Metals, Ltd. Substrate with intermediate layer for thin-film magnetic head and method of manufacturing the substrate with intermediate layer
JP4020114B2 (ja) * 2004-10-07 2007-12-12 Ｔｄｋ株式会社 発熱体を備えた薄膜磁気ヘッド、該薄膜磁気ヘッドを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えた磁気ディスク装置
JP3947538B2 (ja) * 2004-11-08 2007-07-25 Ｔｄｋ株式会社 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
JP2006344270A (ja) * 2005-06-08 2006-12-21 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置及び磁気ヘッドスライダ
JP3992052B2 (ja) * 2005-06-28 2007-10-17 Ｔｄｋ株式会社 発熱体用放熱部を備えた薄膜磁気ヘッド
JP2008041115A (ja) * 2006-08-01 2008-02-21 Alps Electric Co Ltd 垂直磁気記録ヘッド
US7864489B2 (en) * 2007-02-26 2011-01-04 Tdk Corporation Thin-film magnetic head having an antistatic layer preventing a protective coat from being electrostatically charged
US8451555B2 (en) * 2009-02-24 2013-05-28 Seagate Technology Llc Recording head for heat assisted magnetic recording
US8248896B1 (en) 2010-06-24 2012-08-21 Western Digital (Fremont), Llc Method and system for providing an energy assisted magnetic recording disk drive having improved heat dissipation
US8958668B2 (en) 2011-09-13 2015-02-17 Seagate Technology Llc Plasmonic transducer having two metal elements with a gap disposed therebetween
US8451705B2 (en) 2011-09-13 2013-05-28 Seagate Technology Llc Plasmonic transducer having two metal elements with a gap disposed therebetween
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
US8817425B1 (en) 2013-03-15 2014-08-26 Headway Technologies, Inc. Dual-piece heat sink layer for robust reader in magnetic recording head
US9190085B1 (en) 2014-03-12 2015-11-17 Western Digital (Fremont), Llc Waveguide with reflective grating for localized energy intensity
US9202479B1 (en) * 2014-12-04 2015-12-01 Seagate Technology Llc Heat assisted magnetic recording head with write coil heatsink
US9129621B1 (en) * 2015-02-12 2015-09-08 HGST Netherlands B.V. MAMR head with inclined MAMR head body
US10366715B1 (en) * 2017-02-22 2019-07-30 Seagate Technology Llc Slider with heat sink between read transducer and substrate
US10311901B1 (en) * 2018-05-30 2019-06-04 Western Digital Technologies, Inc. Anisotropy field induced self pinned recessed antiferromagnetic reader
US11217273B1 (en) 2020-12-09 2022-01-04 Seagate Technology Llc Heat sinking layer between a substrate and encasing layers of a recording head

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405961A (en) 1981-08-06 1983-09-20 International Business Machines Thermoelectric cooling of magnetic head assemblies
DE3923327A1 (de) 1989-07-14 1991-01-24 Thomson Brandt Gmbh Kuehlkoerper fuer ein zu kuehlendes element
JPH03162705A (ja) * 1989-11-20 1991-07-12 Fujitsu Ltd 薄膜磁気ヘッド
JPH05225521A (ja) * 1992-02-10 1993-09-03 Sony Corp 薄膜磁気ヘッド
JPH09167314A (ja) 1995-12-14 1997-06-24 Hitachi Ltd 薄膜磁気ヘッド
US5793578A (en) 1996-11-15 1998-08-11 International Business Machines Corporation Thin film induction recording head having an inset first insulation layer that defines zero throat height and pole tip apex angle
JP3474455B2 (ja) * 1998-09-10 2003-12-08 Ｔｄｋ株式会社 薄膜磁気ヘッドおよびその製造方法
US6455174B1 (en) * 1998-11-05 2002-09-24 Hitachi Maxell, Ltd. Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing method
US6181514B1 (en) 1998-12-04 2001-01-30 International Business Machines Corporation Scaled write head with high recording density and high data rate
US6105381A (en) 1999-03-31 2000-08-22 International Business Machines Corporation Method and apparatus for cooling GMR heads for magnetic hard disks
US6381094B1 (en) 1999-07-23 2002-04-30 Hardayal Singh Gill Shield structure with a heat sink layer for dissipating heat from a read sensor
US6396660B1 (en) 1999-08-23 2002-05-28 Read-Rite Corporation Magnetic write element having a thermally dissipative structure
JP3737927B2 (ja) 2000-02-23 2006-01-25 アルプス電気株式会社 複合磁気ヘッド
JP2002025006A (ja) * 2000-07-11 2002-01-25 Tdk Corp 薄膜磁気ヘッド及び薄膜磁気ヘッドの製造方法
JP2002170209A (ja) * 2000-11-28 2002-06-14 Tdk Corp 薄膜ヒートシンクおよびその製造方法
US6700752B2 (en) * 2001-04-18 2004-03-02 Seagate Technology Llc Non-magnetic metallic layer in a reader gap of a disc drive
US6693769B2 (en) * 2001-06-18 2004-02-17 Hitachi Global Storage Technologies Netherlands B.V. High data rate write head
US6760191B1 (en) * 2001-06-18 2004-07-06 Maxtor Corporation Internal heat dissipater used to reduce slider and write pole thermal protrusion for thin film recording heads
US6687083B2 (en) 2001-08-22 2004-02-03 Hitachi Global Storage Technologies Netherlands B.V. Enhanced low profile magnet write head
JP2003085707A (ja) 2001-09-12 2003-03-20 Hitachi Ltd 磁気ヘッドおよび磁気ヘッドの製造方法並びにこれを用いた磁気ディスク装置
US6914750B2 (en) * 2001-10-05 2005-07-05 Headway Technologies, Inc. Thermal protrusion reduction in magnet heads by utilizing heat sink layers
US6928721B2 (en) * 2001-10-05 2005-08-16 Headway Technologies, Inc. Method of manufacturing a magnetic read/write head and slider assembly
US6859343B1 (en) * 2002-03-19 2005-02-22 Western Digital, Inc. Hybrid diffuser for minimizing thermal pole tip protrusion and reader sensor temperature
US7035047B2 (en) * 2002-10-15 2006-04-25 International Business Machines Corporation Magnetic recording heads having thin thermally conductive undercoating
US7969683B2 (en) * 2003-05-06 2011-06-28 Hitachi Global Storage Technologies Netherlands B.V. Write first design for a perpendicular thin film head
US6909674B2 (en) * 2003-06-11 2005-06-21 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted magnetic write head system utilizing multilayer thermal barrier coatings
US7088550B2 (en) * 2003-07-30 2006-08-08 Hitachi Global Storage Technologies Netherlands, B.V. Magnetic hard disk recording head with self-compensating thermal expansion
US7009812B2 (en) * 2003-09-29 2006-03-07 Hitachi Global Storage Technologies Netherlands B.V. Magnetic transducer for perpendicular magnetic recording with single pole write head with trailing shield
US7320168B2 (en) * 2003-10-29 2008-01-22 Headway Technologies, Inc. Method to improve heat dissipation in a magnetic shield

Also Published As

Publication number Publication date
JP2004095146A (ja) 2004-03-25
KR100597566B1 (ko) 2006-07-10
KR20040014357A (ko) 2004-02-14
SG121784A1 (en) 2006-05-26
CN1516117A (zh) 2004-07-28
US7170713B2 (en) 2007-01-30
DE60304955T2 (de) 2007-01-04
TW200409094A (en) 2004-06-01
CN100361200C (zh) 2008-01-09
TWI267068B (en) 2006-11-21
US20040027719A1 (en) 2004-02-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee