SG132600A1 - Disk drive having a magnetic head for perpendicular magnetic recording - Google Patents

Disk drive having a magnetic head for perpendicular magnetic recording

Info

Publication number
SG132600A1
SG132600A1 SG200607528-7A SG2006075287A SG132600A1 SG 132600 A1 SG132600 A1 SG 132600A1 SG 2006075287 A SG2006075287 A SG 2006075287A SG 132600 A1 SG132600 A1 SG 132600A1
Authority
SG
Singapore
Prior art keywords
disk drive
magnetic recording
magnetic head
perpendicular magnetic
head
Prior art date
Application number
SG200607528-7A
Other languages
English (en)
Inventor
Takeshi Abe
Original Assignee
Toshiba Kk
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 Kk filed Critical Toshiba Kk
Publication of SG132600A1 publication Critical patent/SG132600A1/en

Links

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)
SG200607528-7A 2005-11-28 2006-11-02 Disk drive having a magnetic head for perpendicular magnetic recording SG132600A1 (en)

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 (1)

Publication Number Publication Date
SG132600A1 true SG132600A1 (en) 2007-06-28

Family

ID=38087183

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200607528-7A SG132600A1 (en) 2005-11-28 2006-11-02 Disk drive having a magnetic head for perpendicular magnetic recording

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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0347102B1 (en) * 1988-06-13 1994-06-15 International Business Machines Corporation Magnetic disk file recording with variable track width and variable track density
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
US20030151850A1 (en) * 2002-02-14 2003-08-14 Atsushi Nakamura Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same
US20040042118A1 (en) * 2002-08-29 2004-03-04 Tdk Corporation Thin film magnetic head and method of manufacturing the same
US6950256B2 (en) * 2001-02-09 2005-09-27 Matsushita Electric Industrial Co., Ltd. Magnetic storage medium, method for controlling track pitch thereof, and magnetic recorder for medium
US6969989B1 (en) * 2005-03-11 2005-11-29 Western Digital (Fremont), Inc. Method for characterizing a perpendicular recording head writing pole
US20060066984A1 (en) * 2004-09-29 2006-03-30 Tdk Corporation Magnetic recording and reproducing apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0347102B1 (en) * 1988-06-13 1994-06-15 International Business Machines Corporation Magnetic disk file recording with variable track width and variable track density
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
US6950256B2 (en) * 2001-02-09 2005-09-27 Matsushita Electric Industrial Co., Ltd. Magnetic storage medium, method for controlling track pitch thereof, and magnetic recorder for medium
US20030151850A1 (en) * 2002-02-14 2003-08-14 Atsushi Nakamura Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same
US20040042118A1 (en) * 2002-08-29 2004-03-04 Tdk Corporation Thin film magnetic head and method of manufacturing the same
US20060066984A1 (en) * 2004-09-29 2006-03-30 Tdk Corporation Magnetic recording and reproducing apparatus
US6969989B1 (en) * 2005-03-11 2005-11-29 Western Digital (Fremont), Inc. Method for characterizing a perpendicular recording head writing pole

Also Published As

Publication number Publication date
US20070121241A1 (en) 2007-05-31
CN1975862A (zh) 2007-06-06
JP2007149223A (ja) 2007-06-14

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