DE69012259D1 - Magnetische Aufzeichnungsplatte mit einem dünnen Film aus einer Metallegierung. - Google Patents

Magnetische Aufzeichnungsplatte mit einem dünnen Film aus einer Metallegierung.

Info

Publication number
DE69012259D1
DE69012259D1 DE69012259T DE69012259T DE69012259D1 DE 69012259 D1 DE69012259 D1 DE 69012259D1 DE 69012259 T DE69012259 T DE 69012259T DE 69012259 T DE69012259 T DE 69012259T DE 69012259 D1 DE69012259 D1 DE 69012259D1
Authority
DE
Germany
Prior art keywords
thin film
magnetic recording
metal alloy
film made
recording disc
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.)
Expired - Fee Related
Application number
DE69012259T
Other languages
English (en)
Other versions
DE69012259T2 (de
Inventor
James Kent Howard
Randall George Simmons
Tadashi Yogi
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69012259D1 publication Critical patent/DE69012259D1/de
Publication of DE69012259T2 publication Critical patent/DE69012259T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/62—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
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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.]
    • Y10T428/1266—O, S, or organic compound in metal 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
  • Physical Vapour Deposition (AREA)
DE69012259T 1989-08-16 1990-06-21 Magnetische Aufzeichnungsplatte mit einem dünnen Film aus einer Metallegierung. Expired - Fee Related DE69012259T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/394,784 US5066552A (en) 1989-08-16 1989-08-16 Low noise thin film metal alloy magnetic recording disk

Publications (2)

Publication Number Publication Date
DE69012259D1 true DE69012259D1 (de) 1994-10-13
DE69012259T2 DE69012259T2 (de) 1995-03-30

Family

ID=23560415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69012259T Expired - Fee Related DE69012259T2 (de) 1989-08-16 1990-06-21 Magnetische Aufzeichnungsplatte mit einem dünnen Film aus einer Metallegierung.

Country Status (4)

Country Link
US (1) US5066552A (de)
EP (1) EP0413423B1 (de)
JP (2) JPH0770038B2 (de)
DE (1) DE69012259T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5316631A (en) * 1989-02-16 1994-05-31 Victor Company Of Japan, Ltd. Method for fabricating a magnetic recording medium
US5236735A (en) * 1989-05-27 1993-08-17 Tdk Corporation Method of producing a thin film magnetic head
JP2763165B2 (ja) * 1989-07-10 1998-06-11 株式会社東芝 磁気記録媒体の製造方法
EP0443478A3 (en) * 1990-02-19 1992-03-11 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Magnetic recording medium and method for preparing the same
EP0470546B1 (de) * 1990-08-07 1998-11-04 Hitachi Maxell Ltd. Magnetooptischer Aufzeichnungsträger
US5906880A (en) * 1990-11-30 1999-05-25 Sony Corporation Magnetic recording medium
JPH05109046A (ja) * 1990-12-13 1993-04-30 Hitachi Maxell Ltd 磁気記録媒体及びその製造方法
DE69233233T2 (de) * 1991-12-27 2004-08-26 Honeywell International Inc. Anordnung mehrschichtiger Filmmaterialien
US5466524A (en) * 1992-05-07 1995-11-14 Kabushiki Kaisha Kobe Seiko Sho Barium hexaferrite-silicon nitride-carbon magnetic recording medium
US5478661A (en) * 1993-04-01 1995-12-26 Ag Technology Co., Ltd. Magnetic recording medium and method for its production
USRE38544E1 (en) * 1994-01-28 2004-07-06 Komag, Inc. Thin film magnetic alloy having low noise, high coercivity and high squareness
US5846648A (en) * 1994-01-28 1998-12-08 Komag, Inc. Magnetic alloy having a structured nucleation layer and method for manufacturing same
JPH0850715A (ja) * 1994-01-28 1996-02-20 Komag Inc 低ノイズ，高い保磁力および優れた方形度を有する磁気記録媒体および磁気記録媒体形成方法
US5658659A (en) * 1994-01-28 1997-08-19 Komag, Inc. Magnetic alloy and method for manufacturing same
US5736013A (en) * 1994-04-06 1998-04-07 Komag, Inc. Method for forming an improved magnetic media including sputtering of selected oxides or nitrides in the magnetic layer, and apparatus for same
US5567523A (en) * 1994-10-19 1996-10-22 Kobe Steel Research Laboratories, Usa, Applied Electronics Center Magnetic recording medium comprising a carbon substrate, a silicon or aluminum nitride sub layer, and a barium hexaferrite magnetic layer
US5830569A (en) * 1995-09-12 1998-11-03 Kabushiki Kaisha Toshiba Magnetic recording medium containing CoPtO-based alloy magnetic film
US6413608B1 (en) 1999-06-18 2002-07-02 International Business Machines Corporation Seed layer and underlayer with high and low oxygen concentration portions for hand disk magnetic recording medium on a glass substrate
JP4573489B2 (ja) * 2000-02-07 2010-11-04 名古屋油化株式会社 成形材料および成形物
JP2003123220A (ja) * 2001-10-18 2003-04-25 Fuji Electric Co Ltd 磁気記録媒体、その製造方法、および、磁気記録装置
US6723450B2 (en) 2002-03-19 2004-04-20 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording medium with antiparallel coupled ferromagnetic films as the recording layer
US6780291B2 (en) * 2002-06-07 2004-08-24 Seagate Technology Llc Self-annealed thin film deposition process
US7314675B1 (en) 2003-01-30 2008-01-01 Seagate Technology Llc Magnetic media with high Ms magnetic layer
US20050202287A1 (en) * 2004-03-10 2005-09-15 Seagate Technology Llc Thermally isolated granular media for heat assisted magnetic recording
US20060021871A1 (en) * 2004-07-29 2006-02-02 Ching-Ray Chang Method for fabricating L10 phase alloy film
US7482071B2 (en) * 2005-05-24 2009-01-27 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording disk with improved recording layer having high oxygen content
US7491452B2 (en) 2005-08-12 2009-02-17 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording disk with recording layer containing selected metal oxides and formed on a reduced-thickness exchange-break layer
US8298611B2 (en) * 2008-07-23 2012-10-30 Seagate Technology Llc Discrete track media
KR102451098B1 (ko) 2015-09-23 2022-10-05 삼성전자주식회사 자기 메모리 장치 및 이의 제조 방법

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5798133A (en) * 1980-12-05 1982-06-18 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5883328A (ja) * 1981-11-12 1983-05-19 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5961105A (ja) * 1982-09-30 1984-04-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5966106A (ja) * 1982-10-08 1984-04-14 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5988806A (ja) * 1982-11-12 1984-05-22 Nec Corp 磁気記憶体
JPS59119531A (ja) * 1982-12-25 1984-07-10 Tdk Corp 磁気記録媒体
JPS59160828A (ja) * 1983-03-01 1984-09-11 Fuji Photo Film Co Ltd 磁気記録媒体
GB2149320B (en) * 1983-10-18 1988-02-10 Tdk Corp Magnetic recording medium
US4610911A (en) * 1983-11-03 1986-09-09 Hewlett-Packard Company Thin film magnetic recording media
JPH07111773B2 (ja) * 1983-12-09 1995-11-29 東北金属工業株式会社 磁気記録媒体
JPH0766507B2 (ja) * 1984-02-16 1995-07-19 コニカ株式会社 磁気記録媒体
KR890004257B1 (ko) * 1984-10-29 1989-10-28 니뽕 빅터 가부시끼가이샤 자기 기록매체 및 그 제조법
JPH0628088B2 (ja) * 1984-10-29 1994-04-13 日本ビクター株式会社 磁気記録媒体
US4803130A (en) * 1984-12-21 1989-02-07 Minnesota Mining And Manufacturing Company Reactive sputtering process for recording media
DE3545043A1 (de) * 1985-01-16 1986-09-18 Hitachi Metals, Ltd., Tokio/Tokyo Magnetisches aufzeichnungsmedium und verfahren zu seiner herstellung
DE3546325C2 (de) * 1985-01-17 1994-06-01 Hitachi Metals Ltd Magnetisches Aufzeichnungsmedium
JPH06105499B2 (ja) * 1985-02-22 1994-12-21 松下電器産業株式会社 磁気記録媒体
JPH0670849B2 (ja) * 1985-04-08 1994-09-07 日立金属株式会社 磁気記録媒体およびその製造方法
JPS62157323A (ja) * 1985-12-29 1987-07-13 Toshiba Corp 磁気記録媒体
US4749459A (en) * 1986-03-10 1988-06-07 Komag, Inc. Method for manufacturing a thin film magnetic recording medium
JP2515771B2 (ja) * 1986-03-28 1996-07-10 株式会社日立製作所 磁気記録媒体
US4898774A (en) * 1986-04-03 1990-02-06 Komag, Inc. Corrosion and wear resistant magnetic disk
US4652499A (en) * 1986-04-29 1987-03-24 International Business Machines Magnetic recording medium with a chromium alloy underlayer and a cobalt-based magnetic layer
US4789598A (en) * 1987-01-20 1988-12-06 International Business Machines Corporation Thin film medium for horizontal magnetic recording having an improved cobalt-based alloy magnetic layer
JPS63291211A (ja) * 1987-05-22 1988-11-29 Hitachi Ltd 磁気記録媒体
KR970007795B1 (ko) * 1988-02-22 1997-05-16 소니 가부시끼 가이샤 자기 박막
JPH0258723A (ja) * 1988-08-24 1990-02-27 Hitachi Ltd 磁気記録媒体及び磁気記憶装置
JP2674132B2 (ja) * 1988-09-09 1997-11-12 ソニー株式会社 磁気記録媒体
JP2516064B2 (ja) * 1989-02-28 1996-07-10 日本ビクター株式会社 磁気記録媒体とその製造方法

Also Published As

Publication number Publication date
DE69012259T2 (de) 1995-03-30
US5066552A (en) 1991-11-19
JPH09190945A (ja) 1997-07-22
JPH0770038B2 (ja) 1995-07-31
EP0413423B1 (de) 1994-09-07
JPH0376018A (ja) 1991-04-02
EP0413423A2 (de) 1991-02-20
JP2786621B2 (ja) 1998-08-13
EP0413423A3 (en) 1991-10-30

Similar Documents

Publication Publication Date Title
DE69012259T2 (de) Magnetische Aufzeichnungsplatte mit einem dünnen Film aus einer Metallegierung.
DE68920324T2 (de) Dünner weichmagnetischer Streifen aus einer Legierung.
BR8303540A (pt) Meio de gravacao magnetica com um revestimento magnetizavel e processo de sua fabricacao
DE3766485D1 (de) Magnetisches duennfilmmedium zur horizontalen aufzeichnung welches aus einer magnetlegierung auf kobaltbasis besteht.
EP0294173A3 (en) Recording elements comprising write-once thin film alloy layers
KR860005336A (ko) 강자성의 금속박막 자기 기록 매체 및 그 제조방법
DE3782570T2 (de) Magnetplatteneinheit mit einer metallschicht-platte als datenaufzeichnungsmedium.
EP0294174A3 (en) Recording elements comprising write-once thin film alloy layers
IT8221887A0 (it) Apparato di registrazione e/o riproduzione a disco magnetico.
GB8515504D0 (en) Recording information on magnetic disk
EP0278790A3 (en) Recording elements comprising write-once thin film alloy layers
DE3586526T2 (de) Magnetbandkassette mit bremsmechanismus.
DE3581715D1 (de) Magnetkopf mit kernteilen aus ferromagnetischem amorphem metall.
DE3886566T2 (de) Magnetisches Aufzeichnungsband mit einem Trägerfilm mit hohem transversalen Elastizitätsmodul.
HK110194A (en) A thin film magnetic read/write head and method of forming the same
DE68905988D1 (de) Aluminium-legierung fuer magnetplattensubstrate mit ausgezeichneter plattierbarkeit.
EP0278789A3 (en) Recording elements comprising write-once thin film alloy layers
DE68922820D1 (de) Magnetischer Aufzeichnungsträger mit einem nadelförmigen Pulver aus einer magnetischen Legierung.
FR2534403B1 (fr) Support d'enregistrement magnetique compose d'un film metallique mince depose sur un support non magnetique
DE69227013T2 (de) Magnetische Aufzeichnungsscheibe mit einem verbessertem Schutzüberzug
DE3579784D1 (de) Spurfolgegeraet eines magnetischen aufzeichnungs-/wiedergabegeraetes.
DE3575626D1 (de) Spurnachgesteuertes magnetbandgerat mit querspuraufzeichnung.
NL192409B (nl) Magnetische registratiedrager met een dunne film van ferromagnetisch metaal op een niet-magnetisch substraat.
DE69315616T2 (de) Magnetischer Aufzeichnungsträger mit dünnem Metallfilm
DE3671313D1 (de) Etui zur aufnahme einer magnetbandcassette.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee