CN1975862A - 具有用于垂直磁记录的磁头的磁盘驱动器 - Google Patents

具有用于垂直磁记录的磁头的磁盘驱动器 Download PDF

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Publication number
CN1975862A
CN1975862A CNA2006101627627A CN200610162762A CN1975862A CN 1975862 A CN1975862 A CN 1975862A CN A2006101627627 A CNA2006101627627 A CN A2006101627627A CN 200610162762 A CN200610162762 A CN 200610162762A CN 1975862 A CN1975862 A CN 1975862A
Authority
CN
China
Prior art keywords
magnetic
head
disk medium
cos
write 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.)
Pending
Application number
CNA2006101627627A
Other languages
English (en)
Chinese (zh)
Inventor
阿部刚志
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
Publication of CN1975862A publication Critical patent/CN1975862A/zh
Pending 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)
CNA2006101627627A 2005-11-28 2006-11-28 具有用于垂直磁记录的磁头的磁盘驱动器 Pending CN1975862A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP342359/2005 2005-11-28
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 (1)

Publication Number Publication Date
CN1975862A true CN1975862A (zh) 2007-06-06

Family

ID=38087183

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2006101627627A Pending 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

Country Status (4)

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

Families Citing this family (3)

* 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
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

Also Published As

Publication number Publication date
US20070121241A1 (en) 2007-05-31
SG132600A1 (en) 2007-06-28
JP2007149223A (ja) 2007-06-14

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20070606