SG95623A1 - Nonmetallic thin film magnetic recording disk with pre-seed layer - Google Patents

Nonmetallic thin film magnetic recording disk with pre-seed layer

Info

Publication number
SG95623A1
SG95623A1 SG200100448A SG200100448A SG95623A1 SG 95623 A1 SG95623 A1 SG 95623A1 SG 200100448 A SG200100448 A SG 200100448A SG 200100448 A SG200100448 A SG 200100448A SG 95623 A1 SG95623 A1 SG 95623A1
Authority
SG
Singapore
Prior art keywords
thin film
magnetic recording
seed layer
film magnetic
recording disk
Prior art date
Application number
SG200100448A
Other languages
English (en)
Inventor
Bian Xiaoping
Frances Doerner Mary
Minvielle Tim
Taghi Mirzamaani Mohammad
Tang Kai
Tang Li
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG95623A1 publication Critical patent/SG95623A1/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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • G11B5/737—Physical structure of underlayer, e.g. texture
    • 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
    • G11B5/85—Coating a support with a magnetic layer by vapour deposition
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/12743—Next to refractory [Group IVB, VB, or VIB] metal-base component
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component
    • Y10T428/12757—Fe
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
SG200100448A 2000-02-09 2001-01-30 Nonmetallic thin film magnetic recording disk with pre-seed layer SG95623A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/500,710 US6586116B1 (en) 2000-02-09 2000-02-09 Nonmetallic thin film magnetic recording disk with pre-seed layer

Publications (1)

Publication Number Publication Date
SG95623A1 true SG95623A1 (en) 2003-04-23

Family

ID=23990586

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200100448A SG95623A1 (en) 2000-02-09 2001-01-30 Nonmetallic thin film magnetic recording disk with pre-seed layer

Country Status (4)

Country Link
US (4) US6586116B1 (zh)
KR (1) KR100417276B1 (zh)
CN (1) CN1175400C (zh)
SG (1) SG95623A1 (zh)

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US20030134151A1 (en) * 2001-09-14 2003-07-17 Fuji Photo Film Co., Ltd. Magnetic recording medium
US7138196B2 (en) * 2001-11-09 2006-11-21 Maxtor Corporation Layered thin-film media for perpendicular magnetic recording
US6908689B1 (en) * 2001-12-20 2005-06-21 Seagate Technology Llc Ruthenium-aluminum underlayer for magnetic recording media
US20030134150A1 (en) * 2002-01-16 2003-07-17 Sooyoul Hong Antiferromagnetically coupled (AFC) media with flash CR interlayer between top magnetic layer and S2 magnetic layer
JP4497784B2 (ja) * 2002-02-28 2010-07-07 富士電機デバイステクノロジー株式会社 磁気記録媒体
CN1620686A (zh) * 2002-09-06 2005-05-25 富士通株式会社 磁记录介质和磁存储装置
CN1296899C (zh) * 2003-01-27 2007-01-24 富士通株式会社 磁性记录介质和磁性存储设备
JP2004247010A (ja) * 2003-02-17 2004-09-02 Hoya Corp 磁気ディスク
JP2004326889A (ja) * 2003-04-23 2004-11-18 Hitachi Global Storage Technologies Inc 磁気記録媒体
WO2004102539A1 (en) * 2003-05-15 2004-11-25 Fujitsu Limited Magnetic recording medium and magnetic storage apparatus
JP2004355716A (ja) * 2003-05-29 2004-12-16 Hitachi Global Storage Technologies Netherlands Bv 磁気記録媒体
US6872478B2 (en) * 2003-06-26 2005-03-29 Hitachi Global Storage Technologies Netherlands, B.V. Magnetic thin film media with a pre-seed layer of CrTiAl
US7071022B2 (en) * 2003-07-18 2006-07-04 Corning Incorporated Silicon crystallization using self-assembled monolayers
US7282738B2 (en) * 2003-07-18 2007-10-16 Corning Incorporated Fabrication of crystalline materials over substrates
US6863993B1 (en) * 2003-09-30 2005-03-08 Hitachi Global Storage Technologies Netherlands, B.V. Thin film media with a dual seed layer of RuAI/NiAIB
JP4222965B2 (ja) * 2004-04-15 2009-02-12 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 垂直磁気記録媒体及びその製造方法、磁気記録装置
JP2005353236A (ja) * 2004-06-14 2005-12-22 Fujitsu Ltd 磁気記録媒体およびその製造方法、磁気記憶装置
US7300713B2 (en) * 2004-10-29 2007-11-27 Hitachi Global Storage Technologies Netherlands B.V. Magnetic thin film media with an underlayer of CrMoZr, CrMoNb or CrMoMn
US7651794B2 (en) * 2005-04-28 2010-01-26 Hitachi Global Storage Technologies Netherlands B.V. Adhesion layer for thin film magnetic recording medium
KR100733781B1 (ko) * 2005-04-30 2007-07-02 고려대학교 산학협력단 ＴｉｘＡｌ１－ｘ（０＜Ｘ＜１）을 하지층 또는 상지층으로사용한 다층 구조를 지닌 소자
US20070099032A1 (en) * 2005-11-02 2007-05-03 Heraeus, Inc., A Corporation Of The State Of Arizona Deposition of enhanced seed layer using tantalum alloy based sputter target
US20070190364A1 (en) * 2006-02-14 2007-08-16 Heraeus, Inc. Ruthenium alloy magnetic media and sputter targets
US8084855B2 (en) * 2006-08-23 2011-12-27 Rockwell Collins, Inc. Integrated circuit tampering protection and reverse engineering prevention coatings and methods
US7670694B2 (en) * 2006-12-22 2010-03-02 Hitachi Global Storage Technologies Netherlands B.V. Media for recording devices
US7892664B2 (en) * 2007-11-28 2011-02-22 Seagate Technology Llc Magnetic recording media having a chemically ordered magnetic layer
US8941950B2 (en) 2012-05-23 2015-01-27 WD Media, LLC Underlayers for heat assisted magnetic recording (HAMR) media
US9177585B1 (en) 2013-10-23 2015-11-03 WD Media, LLC Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording
JP7283273B2 (ja) 2019-07-01 2023-05-30 株式会社レゾナック 磁気記録媒体およびその製造方法ならびに磁気記録再生装置

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US5922442A (en) * 1996-04-26 1999-07-13 Hmt Technology Corporation Magnetic recording medium having a CoCr alloy interlayer of a low saturation magnetization
US6010795A (en) * 1997-02-26 2000-01-04 Seagate Technology, Inc. Magnetic recording medium comprising a nickel aluminum or iron aluminum underlayer and chromium containing intermediate layer each having (200) dominant crystalographic orientation
US6197367B1 (en) * 1996-11-05 2001-03-06 Hitachi, Ltd. Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage

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US5693426A (en) 1994-09-29 1997-12-02 Carnegie Mellon University Magnetic recording medium with B2 structured underlayer and a cobalt-based magnetic layer
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US6197367B1 (en) * 1996-11-05 2001-03-06 Hitachi, Ltd. Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage
US6010795A (en) * 1997-02-26 2000-01-04 Seagate Technology, Inc. Magnetic recording medium comprising a nickel aluminum or iron aluminum underlayer and chromium containing intermediate layer each having (200) dominant crystalographic orientation

Also Published As

Publication number Publication date
US6607842B2 (en) 2003-08-19
US6586116B1 (en) 2003-07-01
KR100417276B1 (ko) 2004-02-05
US6596409B2 (en) 2003-07-22
US20010016272A1 (en) 2001-08-23
US6599642B2 (en) 2003-07-29
CN1309386A (zh) 2001-08-22
US20010024742A1 (en) 2001-09-27
KR20010078769A (ko) 2001-08-21
US20010018136A1 (en) 2001-08-30
CN1175400C (zh) 2004-11-10

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