JP2007149223A - ディスク記憶装置及び磁気ヘッド - Google Patents

ディスク記憶装置及び磁気ヘッド Download PDF

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Publication number
JP2007149223A
JP2007149223A JP2005342359A JP2005342359A JP2007149223A JP 2007149223 A JP2007149223 A JP 2007149223A JP 2005342359 A JP2005342359 A JP 2005342359A JP 2005342359 A JP2005342359 A JP 2005342359A JP 2007149223 A JP2007149223 A JP 2007149223A
Authority
JP
Japan
Prior art keywords
head
magnetic
disk medium
track
skew angle
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.)
Withdrawn
Application number
JP2005342359A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007149223A5 (https=
Inventor
Tsuyoshi Abe
剛志 阿部
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 Corp
Original Assignee
Toshiba 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 Corp filed Critical Toshiba Corp
Priority to JP2005342359A priority Critical patent/JP2007149223A/ja
Priority to SG200607528-7A priority patent/SG132600A1/en
Priority to US11/601,785 priority patent/US20070121241A1/en
Priority to CNA2006101627627A priority patent/CN1975862A/zh
Publication of JP2007149223A publication Critical patent/JP2007149223A/ja
Publication of JP2007149223A5 publication Critical patent/JP2007149223A5/ja
Withdrawn legal-status Critical Current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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/20—Signal processing not specific to the method of recording or reproducing; Circuits therefor for correction of skew for multitrack recording
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • G11B5/1872—Shaping or contouring of the transducing or guiding surface for improving the form of the electrical signal transduced, e.g. compensation of "contour effect"
    • 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
    • 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
    • G11B2005/0002—Special dispositions or recording techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Signal Processing (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Digital Magnetic Recording (AREA)
JP2005342359A 2005-11-28 2005-11-28 ディスク記憶装置及び磁気ヘッド Withdrawn JP2007149223A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005342359A JP2007149223A (ja) 2005-11-28 2005-11-28 ディスク記憶装置及び磁気ヘッド
SG200607528-7A SG132600A1 (en) 2005-11-28 2006-11-02 Disk drive having a magnetic head for perpendicular magnetic recording
US11/601,785 US20070121241A1 (en) 2005-11-28 2006-11-20 Disk drive having a magnetic head for perpendicular magnetic recording
CNA2006101627627A CN1975862A (zh) 2005-11-28 2006-11-28 具有用于垂直磁记录的磁头的磁盘驱动器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005342359A JP2007149223A (ja) 2005-11-28 2005-11-28 ディスク記憶装置及び磁気ヘッド

Publications (2)

Publication Number Publication Date
JP2007149223A true JP2007149223A (ja) 2007-06-14
JP2007149223A5 JP2007149223A5 (https=) 2008-12-11

Family

ID=38087183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005342359A Withdrawn JP2007149223A (ja) 2005-11-28 2005-11-28 ディスク記憶装置及び磁気ヘッド

Country Status (4)

Country Link
US (1) US20070121241A1 (https=)
JP (1) JP2007149223A (https=)
CN (1) CN1975862A (https=)
SG (1) SG132600A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7549213B2 (en) * 2005-01-12 2009-06-23 Hitachi Global Storage Technologies Netherlands B.V. Method for independent trackwidth and wall angle control and hexagonal write head

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9122397B2 (en) * 2007-10-26 2015-09-01 Emc Corporation Exposing storage resources with differing capabilities
US9413825B2 (en) * 2007-10-31 2016-08-09 Emc Corporation Managing file objects in a data storage system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945427A (en) * 1988-06-13 1990-07-31 International Business Machines Corporation Magnetic disk recording with variable track width and variable track density
JPH0845189A (ja) * 1994-07-29 1996-02-16 Fujitsu Ltd ディスク装置及びディスク媒体のフォーマット作成方法
US5680283A (en) * 1994-09-30 1997-10-21 Kabushiki Kaisha Toshiba Magnetic head and magnetic disk drive
US6778343B2 (en) * 1998-03-25 2004-08-17 Hitachi Global Storage Technologies Netherlands Bv Method, apparatus and storage system having storage media with different track pitch based upon a width of a write element associated therewith
US6504675B1 (en) * 2000-01-12 2003-01-07 Seagate Technology Llc Perpendicular magnetic recording heads with write pole shaped to reduce skew effects during writing
JP2002237142A (ja) * 2001-02-09 2002-08-23 Matsushita Electric Ind Co Ltd 磁気記憶媒体、そのトラックピッチ制御方法、その媒体のための磁気記録装置
JP4088453B2 (ja) * 2002-02-14 2008-05-21 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
JP2004094997A (ja) * 2002-08-29 2004-03-25 Tdk Corp 薄膜磁気ヘッドおよびその製造方法
JP3780290B2 (ja) * 2004-09-29 2006-05-31 Ｔｄｋ株式会社 磁気記録再生装置
US6969989B1 (en) * 2005-03-11 2005-11-29 Western Digital (Fremont), Inc. Method for characterizing a perpendicular recording head writing pole
JP2007293977A (ja) * 2006-04-24 2007-11-08 Fujitsu Ltd 磁気ヘッド、及び磁気ディスク装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7549213B2 (en) * 2005-01-12 2009-06-23 Hitachi Global Storage Technologies Netherlands B.V. Method for independent trackwidth and wall angle control and hexagonal write head

Also Published As

Publication number Publication date
US20070121241A1 (en) 2007-05-31
CN1975862A (zh) 2007-06-06
SG132600A1 (en) 2007-06-28

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