SG11201400181WA - Recording stack with a dual continuous layer - Google Patents

Recording stack with a dual continuous layer

Info

Publication number
SG11201400181WA
SG11201400181WA SG11201400181WA SG11201400181WA SG11201400181WA SG 11201400181W A SG11201400181W A SG 11201400181WA SG 11201400181W A SG11201400181W A SG 11201400181WA SG 11201400181W A SG11201400181W A SG 11201400181WA SG 11201400181W A SG11201400181W A SG 11201400181WA
Authority
SG
Singapore
Prior art keywords
continuous layer
recording stack
dual continuous
dual
stack
Prior art date
Application number
SG11201400181WA
Inventor
Zhong Wu
Li Tang
Shoutao Wang
Abebe Hailu
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 SG11201400181WA publication Critical patent/SG11201400181WA/en

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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/674—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having differing macroscopic or microscopic structures, e.g. differing crystalline lattices, varying atomic structures or differing roughnesses
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
SG11201400181WA 2011-08-25 2012-08-23 Recording stack with a dual continuous layer SG11201400181WA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/217,531 US20130052485A1 (en) 2011-08-25 2011-08-25 Recording stack with a dual continuous layer
PCT/US2012/051994 WO2013028825A1 (en) 2011-08-25 2012-08-23 Recording stack with a dual continuous layer

Publications (1)

Publication Number Publication Date
SG11201400181WA true SG11201400181WA (en) 2014-05-29

Family

ID=47744154

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201400181WA SG11201400181WA (en) 2011-08-25 2012-08-23 Recording stack with a dual continuous layer

Country Status (6)

Country Link
US (1) US20130052485A1 (en)
JP (1) JP2014524633A (en)
KR (1) KR20140053365A (en)
CN (1) CN103918031A (en)
SG (1) SG11201400181WA (en)
WO (1) WO2013028825A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9672856B1 (en) * 2015-11-19 2017-06-06 HGST Netherlands B.V. Perpendicular magnetic recording media with lateral exchange control layer
US9990951B2 (en) * 2016-02-23 2018-06-05 Seagate Technology Llc Perpendicular magnetic recording with multiple antiferromagnetically coupled layers

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6468670B1 (en) * 2000-01-19 2002-10-22 International Business Machines Corporation Magnetic recording disk with composite perpendicular recording layer
WO2006134952A1 (en) * 2005-06-13 2006-12-21 Showa Denko K.K. Perpendicular magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus
JP4469774B2 (en) * 2005-09-27 2010-05-26 株式会社東芝 Magnetic recording medium and magnetic recording apparatus
JP2007273057A (en) * 2006-03-31 2007-10-18 Fujitsu Ltd Perpendicular magnetic recording medium and magnetic storage device
US20090191331A1 (en) * 2006-03-31 2009-07-30 Hoya Corporation Perpendicular magnetic recording medium manufacturing method
US7582368B2 (en) * 2006-09-14 2009-09-01 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording medium with an exchange-spring recording structure and a lateral coupling layer for increasing intergranular exchange coupling
WO2008038664A1 (en) * 2006-09-29 2008-04-03 Hoya Corporation Magnetic recording medium
SG182153A1 (en) * 2007-02-13 2012-07-30 Wd Media Singapore Pte Ltd Magnetic recording medium, magnetic recording medium manufacturing method, and magnetic disk
JP5260510B2 (en) * 2007-05-30 2013-08-14 ダブリュディ・メディア・シンガポール・プライベートリミテッド Perpendicular magnetic recording medium and method for manufacturing perpendicular magnetic recording medium
JP2009015959A (en) * 2007-07-04 2009-01-22 Toshiba Corp Perpendicular magnetic recording medium and magnetic recording and reproducing device
US20090080110A1 (en) * 2007-09-24 2009-03-26 Andreas Berger Perpendicular recording magnetic media with imbalanced magnetic moment multilayer cap structure
US8603649B2 (en) * 2007-10-07 2013-12-10 Wd Media (Singapore) Pte. Ltd. Perpendicular magnetic recording medium
US8114470B2 (en) * 2008-11-26 2012-02-14 Seagate Technology Llc Reduced spacing recording apparatus

Also Published As

Publication number Publication date
WO2013028825A1 (en) 2013-02-28
CN103918031A (en) 2014-07-09
JP2014524633A (en) 2014-09-22
US20130052485A1 (en) 2013-02-28
KR20140053365A (en) 2014-05-07

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