KR850008731A - 자기 기록매체 - Google Patents

자기 기록매체 Download PDF

Info

Publication number
KR850008731A
KR850008731A KR1019850002587A KR850002587A KR850008731A KR 850008731 A KR850008731 A KR 850008731A KR 1019850002587 A KR1019850002587 A KR 1019850002587A KR 850002587 A KR850002587 A KR 850002587A KR 850008731 A KR850008731 A KR 850008731A
Authority
KR
South Korea
Prior art keywords
magnetic recording
recording media
recording medium
nitride film
carbon nitride
Prior art date
Application number
KR1019850002587A
Other languages
English (en)
Other versions
KR890003552B1 (ko
Inventor
아끼히로(외 3) 기무라
Original Assignee
이노우에 도시야
니뽕빅터 가부시끼가이샤
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 이노우에 도시야, 니뽕빅터 가부시끼가이샤 filed Critical 이노우에 도시야
Publication of KR850008731A publication Critical patent/KR850008731A/ko
Application granted granted Critical
Publication of KR890003552B1 publication Critical patent/KR890003552B1/ko

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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • 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
    • Y10T428/26—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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

내용 없음

Description

자기 기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명에 관계되는 자기기록 매체의 단면설명도.
* 도면 주요부분에 대한 부호의 설명
1:비자성 지지체 2:금속자성 박막층, 3:질화탄소막

Claims (1)

  1. 표면에 질화탄소막을 구성하여 이루워진 것을 특징으로 하는 자기 기록매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850002587A 1984-05-30 1985-04-17 자기 기록 매체 KR890003552B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59108608A JPS60253021A (ja) 1984-05-30 1984-05-30 磁気記録媒体
JP108608 1984-05-30

Publications (2)

Publication Number Publication Date
KR850008731A true KR850008731A (ko) 1985-12-21
KR890003552B1 KR890003552B1 (ko) 1989-09-23

Family

ID=14489109

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850002587A KR890003552B1 (ko) 1984-05-30 1985-04-17 자기 기록 매체

Country Status (4)

Country Link
US (1) US4664976A (ko)
JP (1) JPS60253021A (ko)
KR (1) KR890003552B1 (ko)
DE (1) DE3519383A1 (ko)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840844A (en) * 1986-06-02 1989-06-20 Hitachi, Ltd. Magnetic recording medium
JPH07114016B2 (ja) * 1986-06-12 1995-12-06 株式会社東芝 磁気記録媒体及びその製造方法
WO1989005362A1 (en) * 1987-12-07 1989-06-15 Akashic Memories Corporation A magnetic disk with a high incidence chromium underlayer
US5227211A (en) * 1989-04-21 1993-07-13 Hmt Technology Corporation Magnetic recording disk medium comprising a magnetic thin film and a carbon overcoat having surface nitrogen atoms, a specified carbon structure, and oxygen atoms
JPH05225556A (ja) * 1991-12-16 1993-09-03 Internatl Business Mach Corp <Ibm> 保護膜を改良した磁気記録ディスク
US5470447A (en) * 1992-08-19 1995-11-28 Stormedia, Inc. Method for applying a protective coating on a magnetic recording head
US5776615A (en) * 1992-11-09 1998-07-07 Northwestern University Superhard composite materials including compounds of carbon and nitrogen deposited on metal and metal nitride, carbide and carbonitride
WO1995002709A2 (en) * 1993-07-15 1995-01-26 President And Fellows Of Harvard College EXTENDED NITRIDE MATERIAL COMPRISING β-C3N¿4?
US5606056A (en) * 1994-05-24 1997-02-25 Arizona Board Of Regents Carbon nitride and its synthesis
US5573864A (en) * 1994-10-25 1996-11-12 The United States Of America As Represented By The Secretary Of Commerce Transparent carbon nitride films and compositions of matter comprising transparent carbon nitride films
US5650201A (en) * 1995-08-14 1997-07-22 Structured Materials Industries Inc. Method for producing carbon nitride films
JP3119172B2 (ja) * 1995-09-13 2000-12-18 日新電機株式会社 プラズマｃｖｄ法及び装置
US6338777B1 (en) 1998-10-23 2002-01-15 International Business Machines Corporation Method and apparatus for sputtering thin films
JP4073567B2 (ja) 1999-01-11 2008-04-09 シャープ株式会社 熱アシスト磁気記録媒体
US6487050B1 (en) 1999-02-22 2002-11-26 Seagate Technology Llc Disc drive with wear-resistant ramp coating of carbon nitride or metal nitride
WO2000072315A1 (en) * 1999-05-26 2000-11-30 Hyundai Electronics America, Inc. Carbon nitride overcoat layer and method for forming
WO2002011130A1 (en) * 2000-07-31 2002-02-07 Showa Denko K.K. Magnetic recording medium, and method for producing and inspecting the same
US6576328B2 (en) * 2001-08-30 2003-06-10 Hitachi Global Storage Technologies Netherlands B.V. Magnetic thin film media with a protective layer of CNx having a plurality of compositions
US7045175B2 (en) * 2002-05-29 2006-05-16 Hitachi, Ltd. Magnetic recording medium and method for manufacturing the same
JP2007257756A (ja) * 2006-03-24 2007-10-04 Hoya Corp 磁気ディスクの製造方法及び磁気ディスク
MY183150A (en) 2014-03-25 2021-02-16 Fuji Electric Malaysia Sdn Bhd Protective layer for a magnetic recording medium, and a method of manufacturing the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771976A (en) * 1971-01-08 1973-11-13 Texas Instruments Inc Metal carbonitride-coated article and method of producing same
US4035541A (en) * 1975-11-17 1977-07-12 Kennametal Inc. Sintered cemented carbide body coated with three layers
US4411963A (en) * 1976-10-29 1983-10-25 Aine Harry E Thin film recording and method of making
US4503125A (en) * 1979-10-01 1985-03-05 Xebec, Inc. Protective overcoating for magnetic recording discs and method for forming the same
US4495242A (en) * 1981-04-02 1985-01-22 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS5819739A (ja) * 1981-07-29 1983-02-04 Sony Corp 薄膜磁気記録媒体

Also Published As

Publication number Publication date
US4664976A (en) 1987-05-12
DE3519383C2 (ko) 1989-09-07
DE3519383A1 (de) 1985-12-05
KR890003552B1 (ko) 1989-09-23
JPS60253021A (ja) 1985-12-13

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A201 Request for examination
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Payment date: 19930708

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