DE3581482D1 - Magnetisches aufzeichnungsmedium, verfahren zu dessen herstellung und verfahren zur aufzeichnung und wiedergabe mit demselben und einem magnetkopf. - Google Patents

Magnetisches aufzeichnungsmedium, verfahren zu dessen herstellung und verfahren zur aufzeichnung und wiedergabe mit demselben und einem magnetkopf.

Info

Publication number
DE3581482D1
DE3581482D1 DE8585113929T DE3581482T DE3581482D1 DE 3581482 D1 DE3581482 D1 DE 3581482D1 DE 8585113929 T DE8585113929 T DE 8585113929T DE 3581482 T DE3581482 T DE 3581482T DE 3581482 D1 DE3581482 D1 DE 3581482D1
Authority
DE
Germany
Prior art keywords
magnetic
playback
recording
production
same
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 - Lifetime
Application number
DE8585113929T
Other languages
English (en)
Inventor
Yamaura Michio
Yatabe Toshiaki
Matsuzawa Hiroshi
Tomie Takashi
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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
Priority claimed from JP59230075A external-priority patent/JPS61110302A/ja
Priority claimed from JP9372185A external-priority patent/JPS61253636A/ja
Priority claimed from JP60112070A external-priority patent/JPS61271601A/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Application granted granted Critical
Publication of DE3581482D1 publication Critical patent/DE3581482D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G11B5/127—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
    • 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
    • G11B5/672—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 different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
    • 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • 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
    • 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
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611—Oxide-containing 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
    • Y10T428/26—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
    • 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
    • Y10T428/31—Surface property or characteristic of web, sheet or block

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
DE8585113929T 1984-11-02 1985-11-01 Magnetisches aufzeichnungsmedium, verfahren zu dessen herstellung und verfahren zur aufzeichnung und wiedergabe mit demselben und einem magnetkopf. Expired - Lifetime DE3581482D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP59230075A JPS61110302A (ja) 1984-11-02 1984-11-02 磁気記録方式
JP9372185A JPS61253636A (ja) 1985-05-02 1985-05-02 垂直磁気記録媒体の製造方法
JP60112070A JPS61271601A (ja) 1985-05-27 1985-05-27 磁気記録再生方式

Publications (1)

Publication Number Publication Date
DE3581482D1 true DE3581482D1 (de) 1991-02-28

Family

ID=27307370

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585113929T Expired - Lifetime DE3581482D1 (de) 1984-11-02 1985-11-01 Magnetisches aufzeichnungsmedium, verfahren zu dessen herstellung und verfahren zur aufzeichnung und wiedergabe mit demselben und einem magnetkopf.

Country Status (3)

Country Link
US (1) US4865916A (de)
EP (1) EP0180242B1 (de)
DE (1) DE3581482D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61233401A (ja) * 1985-04-08 1986-10-17 Toshiba Corp 磁気記録再生装置
GB8718009D0 (en) * 1986-08-21 1987-09-03 Ici Plc Surface treatment for recording media
JPH0896339A (ja) * 1994-09-22 1996-04-12 Sony Corp 磁気記録媒体
US5612108A (en) * 1996-02-16 1997-03-18 Eastman Kodak Company Magneto-optical structure having titanium underlayer
JP5081712B2 (ja) * 2008-05-02 2012-11-28 富士フイルム株式会社 成膜装置
US9192524B2 (en) 2012-07-12 2015-11-24 Kimberly-Clark Worldwide, Inc. Absorbent insert with positioning notch
US9198806B2 (en) 2012-07-12 2015-12-01 Kimberly-Clark Worldwide, Inc. Containment pant
US9198807B2 (en) 2012-07-12 2015-12-01 Kimberly-Clark Worldwide, Inc. Containment pant
US9011398B2 (en) 2012-07-12 2015-04-21 Kimberly-Clark Worldwide, Inc. Containment system
US9226862B2 (en) 2012-07-12 2016-01-05 Kimberly-Clark Worldwide, Inc. Containment pant with positioning key
US9011403B2 (en) 2012-07-12 2015-04-21 Kimberly-Clark Worldwide, Inc. Absorbent insert
US9192526B2 (en) 2012-07-12 2015-11-24 Kimberly-Clark Worldwide, Inc. Absorbent insert and containment system
US9308131B2 (en) 2012-07-12 2016-04-12 Kimberly-Clark Worldwide, Inc. Containment pant
US9147833B2 (en) * 2013-07-05 2015-09-29 Headway Technologies, Inc. Hybridized oxide capping layer for perpendicular magnetic anisotropy
WO2016085462A1 (en) 2014-11-25 2016-06-02 Kimberly-Clark Worldwide, Inc. Containment pant with attachment mechanisms
JP6529371B2 (ja) * 2015-07-27 2019-06-12 東京エレクトロン株式会社 エッチング方法及びエッチング装置
CN114907106B (zh) * 2022-03-30 2023-06-02 电子科技大学 高机械强度宽温宽频MnZn功率铁氧体的制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460968A (en) * 1964-11-04 1969-08-12 Ibm Wear resistant magnetic recording member
US3607149A (en) * 1965-11-10 1971-09-21 Dynasciences Corp High-temperature magnetic recording tape
US4124736A (en) * 1974-10-29 1978-11-07 Poly-Disc Systems, Inc. Surface protected magnetic recording members
US4251841A (en) * 1979-06-01 1981-02-17 International Business Machines Corporation Magnetic head slider assembly
FR2473209A1 (fr) * 1980-01-08 1981-07-10 Sagem Procede pour former une couche de protection sur une couche magnetique et couche magnetique protegee obtenue par ce procede
DE3117931C2 (de) * 1980-05-06 1985-07-25 Nippon Electric Co., Ltd., Tokio/Tokyo Magnetischer Aufzeichnungsträger und Verfahren zu seiner Herstellung
JPS5841467A (ja) * 1981-08-31 1983-03-10 Nippon Tungsten Co Ltd 磁気ヘツド・スライダ−用材料及びその製造方法
JPS5841439A (ja) * 1981-09-01 1983-03-10 Matsushita Electric Ind Co Ltd 磁気記録媒体及びその製造方法
JPS5866625A (ja) * 1981-10-15 1983-04-20 Nec Corp 磁気ヘツド浮揚面の仕上げ方法
JPS58208935A (ja) * 1982-05-28 1983-12-05 Hitachi Condenser Co Ltd 磁気記録媒体
JPS593718A (ja) * 1982-06-30 1984-01-10 Toshiba Corp 磁気ヘツド
US4680742A (en) * 1984-07-07 1987-07-14 Kyocera Corporation Magneto-optical recording element

Also Published As

Publication number Publication date
EP0180242B1 (de) 1991-01-23
EP0180242A3 (en) 1988-01-07
US4865916A (en) 1989-09-12
EP0180242A2 (de) 1986-05-07

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Legal Events

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