AU2002250478A1 - Perpendicular magnetic recording head with soft underlayer biasing - Google Patents

Perpendicular magnetic recording head with soft underlayer biasing

Info

Publication number
AU2002250478A1
AU2002250478A1 AU2002250478A AU2002250478A AU2002250478A1 AU 2002250478 A1 AU2002250478 A1 AU 2002250478A1 AU 2002250478 A AU2002250478 A AU 2002250478A AU 2002250478 A AU2002250478 A AU 2002250478A AU 2002250478 A1 AU2002250478 A1 AU 2002250478A1
Authority
AU
Australia
Prior art keywords
biasing
recording head
magnetic recording
perpendicular magnetic
soft underlayer
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
AU2002250478A
Other languages
English (en)
Inventor
Robert E. Rottmayer
Michael A. Seigler
Dieter K. Weller
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of AU2002250478A1 publication Critical patent/AU2002250478A1/en
Abandoned 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive 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
    • G11B5/127—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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
    • 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
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
    • 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
    • G11B2005/0026—Pulse recording
    • G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Record Carriers (AREA)
AU2002250478A 2001-04-04 2002-03-28 Perpendicular magnetic recording head with soft underlayer biasing Abandoned AU2002250478A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28143001P 2001-04-04 2001-04-04
US60/281,430 2001-04-04
PCT/US2002/009958 WO2002082431A2 (en) 2001-04-04 2002-03-28 Perpendicular magnetic recording head with soft underlayer biasing

Publications (1)

Publication Number Publication Date
AU2002250478A1 true AU2002250478A1 (en) 2002-10-21

Family

ID=23077258

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002250478A Abandoned AU2002250478A1 (en) 2001-04-04 2002-03-28 Perpendicular magnetic recording head with soft underlayer biasing

Country Status (6)

Country Link
JP (1) JP2005509990A (ja)
KR (1) KR20040052495A (ja)
CN (1) CN1511314A (ja)
AU (1) AU2002250478A1 (ja)
GB (1) GB2392299B (ja)
WO (1) WO2002082431A2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9318131B2 (en) * 2013-06-28 2016-04-19 Seagate Technology Llc Write gap structure for a magnetic recording head

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815342A (en) * 1992-07-13 1998-09-29 Kabushiki Kaisha Toshiba Perpendicular magnetic recording/reproducing apparatus
US5486967A (en) * 1993-03-15 1996-01-23 Kabushiki Kaisha Toshiba Magnetic disk memory system
WO1996011469A1 (en) * 1994-10-05 1996-04-18 Philips Electronics N.V. Magnetic multilayer device including a resonant-tunneling double-barrier structure
US5695864A (en) * 1995-09-28 1997-12-09 International Business Machines Corporation Electronic device using magnetic components
US6188549B1 (en) * 1997-12-10 2001-02-13 Read-Rite Corporation Magnetoresistive read/write head with high-performance gap layers

Also Published As

Publication number Publication date
CN1511314A (zh) 2004-07-07
KR20040052495A (ko) 2004-06-23
GB2392299A (en) 2004-02-25
WO2002082431A2 (en) 2002-10-17
GB0324786D0 (en) 2003-11-26
JP2005509990A (ja) 2005-04-14
GB2392299B (en) 2005-04-27
WO2002082431A3 (en) 2002-12-19

Similar Documents

Publication Publication Date Title
AU2003230385A1 (en) Magnetic recording head
GB2396740B (en) Anti-ferromagnetically coupled perpendicular magnetic recording media
GB2396954B (en) Pseudo-laminated soft underlayers for perpendicular magnetic recording media
SG105007A1 (en) "perpendicular magnetic recording media"
SG108859A1 (en) Magnetic recording medium
SG108888A1 (en) Magnetic recording medium
GB2392297B (en) Thin-film magnetic head for perpendicular magnetic recording
AU2003288254A1 (en) Write/read head provided with an integrated microactuator
AU2001272657A1 (en) Antiferromagnetically coupled magnetic recording media
SG111123A1 (en) Perpendicular magnetic recording medium
SG105525A1 (en) Slider, head assembly, and disk drive unit
AU2003240813A1 (en) Intermediate layer for perpendicular magnetic recording media
SG111984A1 (en) Magnetic recording medium
AU2003226454A1 (en) Information recording medium with information restriction
SG111962A1 (en) Magnetic recording medium
AU2003211237A1 (en) Magnetic head slider
AU2002361111A1 (en) Perpendicular magnetic recording medium
SG103903A1 (en) Magnetic recording medium
SG113464A1 (en) Magnetic recording medium
AU2002250478A1 (en) Perpendicular magnetic recording head with soft underlayer biasing
SG111961A1 (en) Perpendicular magnetic recording medium
SG108872A1 (en) Perpendicular magnetic recording medium
SG97229A1 (en) Perpendicular magnetic recording medium
SG108903A1 (en) Magnetic recording medium
SG103926A1 (en) Perpendicular magnetic recording media

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase