JP2010250919A - 磁気記録ヘッドおよび磁気記憶装置 - Google Patents

磁気記録ヘッドおよび磁気記憶装置 Download PDF

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Publication number
JP2010250919A
JP2010250919A JP2009102232A JP2009102232A JP2010250919A JP 2010250919 A JP2010250919 A JP 2010250919A JP 2009102232 A JP2009102232 A JP 2009102232A JP 2009102232 A JP2009102232 A JP 2009102232A JP 2010250919 A JP2010250919 A JP 2010250919A
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JP
Japan
Prior art keywords
magnetic
upper side
magnetic recording
recording head
contour line
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.)
Abandoned
Application number
JP2009102232A
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English (en)
Japanese (ja)
Other versions
JP2010250919A5 (enExample
Inventor
Masaya Otake
雅哉 大竹
Ryoji Ito
亮治 伊藤
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.)
Toshiba Storage Device Corp
Original Assignee
Toshiba Storage Device Corp
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 Toshiba Storage Device Corp filed Critical Toshiba Storage Device Corp
Priority to JP2009102232A priority Critical patent/JP2010250919A/ja
Priority to US12/761,109 priority patent/US20100265616A1/en
Publication of JP2010250919A publication Critical patent/JP2010250919A/ja
Publication of JP2010250919A5 publication Critical patent/JP2010250919A5/ja
Abandoned legal-status Critical Current

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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
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
    • G11B5/746—Bit Patterned record carriers, wherein each magnetic isolated data island corresponds to a bit
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Magnetic Heads (AREA)
JP2009102232A 2009-04-20 2009-04-20 磁気記録ヘッドおよび磁気記憶装置 Abandoned JP2010250919A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009102232A JP2010250919A (ja) 2009-04-20 2009-04-20 磁気記録ヘッドおよび磁気記憶装置
US12/761,109 US20100265616A1 (en) 2009-04-20 2010-04-15 Magnetic recording head and magnetic storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009102232A JP2010250919A (ja) 2009-04-20 2009-04-20 磁気記録ヘッドおよび磁気記憶装置

Publications (2)

Publication Number Publication Date
JP2010250919A true JP2010250919A (ja) 2010-11-04
JP2010250919A5 JP2010250919A5 (enExample) 2010-12-16

Family

ID=42980804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009102232A Abandoned JP2010250919A (ja) 2009-04-20 2009-04-20 磁気記録ヘッドおよび磁気記憶装置

Country Status (2)

Country Link
US (1) US20100265616A1 (enExample)
JP (1) JP2010250919A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012104191A (ja) * 2010-11-10 2012-05-31 Hitachi Ltd 磁気ヘッド及びそれを用いた磁気記録再生装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8848314B2 (en) 2011-12-07 2014-09-30 HGST Netherlands B.V. Write head designed for adjusting relative write phase between subtracks of a patterned media hypertrack
US8937783B2 (en) 2011-12-21 2015-01-20 HGST Netherlands B.V. Magnetic data recording system with improved servo capability for bit patterned recording
US9767831B1 (en) 2015-12-01 2017-09-19 Western Digital (Fremont), Llc Magnetic writer having convex trailing surface pole and conformal write gap
CN117334233A (zh) * 2022-06-17 2024-01-02 长鑫存储技术有限公司 半导体结构及其数据读取方法和数据写入方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001236605A (ja) * 2000-02-17 2001-08-31 Tdk Corp 薄膜磁気ヘッド、磁気ヘッド装置及び磁気ディスク装置
JP2003151103A (ja) * 2001-11-14 2003-05-23 Toshiba Corp 記録装置
JP2003242607A (ja) * 2002-02-14 2003-08-29 Hitachi Ltd 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
JP2004046920A (ja) * 2002-07-09 2004-02-12 Hitachi Ltd 磁気ヘッド及び磁気ディスク装置
JP2007220273A (ja) * 2006-02-15 2007-08-30 Samsung Electronics Co Ltd 垂直磁気ヘッド及びその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020024755A1 (en) * 2000-04-10 2002-02-28 Kim Yong Su Method and apparatus for perpendicular magnetic recording
JP3866512B2 (ja) * 2000-12-26 2007-01-10 アルプス電気株式会社 垂直磁気記録ヘッドの製造方法
JP2006134507A (ja) * 2004-11-08 2006-05-25 Tdk Corp 磁気ヘッドの製造方法、磁気ヘッド、ヘッドジンバルアセンブリ、ヘッドアームアセンブリ、ヘッドスタックアセンブリ
US7398592B2 (en) * 2005-03-29 2008-07-15 Hitachi Global Storage Technologies Netherlands, B.V. Manufacturable CMP assisted liftoff process to fabricate write pole for perpendicular recording heads
JP2008204526A (ja) * 2007-02-19 2008-09-04 Fujitsu Ltd 磁気記録ヘッドの製造方法
US7796361B2 (en) * 2007-03-26 2010-09-14 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording and method of manufacturing same
JP5626713B2 (ja) * 2008-10-03 2014-11-19 エイチジーエスティーネザーランドビーブイ ヘッドスライダ、ヘッドアッセンブリ及び磁気ディスク装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001236605A (ja) * 2000-02-17 2001-08-31 Tdk Corp 薄膜磁気ヘッド、磁気ヘッド装置及び磁気ディスク装置
JP2003151103A (ja) * 2001-11-14 2003-05-23 Toshiba Corp 記録装置
JP2003242607A (ja) * 2002-02-14 2003-08-29 Hitachi Ltd 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
JP2004046920A (ja) * 2002-07-09 2004-02-12 Hitachi Ltd 磁気ヘッド及び磁気ディスク装置
JP2007220273A (ja) * 2006-02-15 2007-08-30 Samsung Electronics Co Ltd 垂直磁気ヘッド及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012104191A (ja) * 2010-11-10 2012-05-31 Hitachi Ltd 磁気ヘッド及びそれを用いた磁気記録再生装置

Also Published As

Publication number Publication date
US20100265616A1 (en) 2010-10-21

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