KR940009961A - 자기기록매체 - Google Patents

자기기록매체 Download PDF

Info

Publication number
KR940009961A
KR940009961A KR1019930022288A KR930022288A KR940009961A KR 940009961 A KR940009961 A KR 940009961A KR 1019930022288 A KR1019930022288 A KR 1019930022288A KR 930022288 A KR930022288 A KR 930022288A KR 940009961 A KR940009961 A KR 940009961A
Authority
KR
South Korea
Prior art keywords
magnetic recording
recording medium
film
ferromagnetic
protective film
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.)
Ceased
Application number
KR1019930022288A
Other languages
English (en)
Korean (ko)
Inventor
신지 미야자키
미쯔루 타카이
코지 코바야시
Original Assignee
사또 히로시
티디케이 가부시기가이샤
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 사또 히로시, 티디케이 가부시기가이샤 filed Critical 사또 히로시
Publication of KR940009961A publication Critical patent/KR940009961A/ko
Ceased 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
    • 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
    • G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer
    • 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
    • G11B5/727—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
KR1019930022288A 1992-10-29 1993-10-26 자기기록매체 Ceased KR940009961A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4312639A JPH06139559A (ja) 1992-10-29 1992-10-29 磁気記録媒体
JP92-312639 1992-10-29

Publications (1)

Publication Number Publication Date
KR940009961A true KR940009961A (ko) 1994-05-24

Family

ID=18031634

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930022288A Ceased KR940009961A (ko) 1992-10-29 1993-10-26 자기기록매체

Country Status (4)

Country Link
EP (1) EP0595564A3 (enExample)
JP (1) JPH06139559A (enExample)
KR (1) KR940009961A (enExample)
TW (1) TW253055B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08209352A (ja) * 1995-02-06 1996-08-13 Hitachi Ltd プラズマ処理装置および方法
US5858477A (en) 1996-12-10 1999-01-12 Akashic Memories Corporation Method for producing recording media having protective overcoats of highly tetrahedral amorphous carbon
CN110938769B (zh) * 2019-11-22 2021-03-23 西北工业大学 一种共晶中熵合金及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62195744A (ja) * 1986-02-21 1987-08-28 Fuji Electric Co Ltd 光磁気記録媒体
JPH01258219A (ja) * 1988-04-08 1989-10-16 Mitsubishi Electric Corp 磁気デイスク
JPH01258218A (ja) * 1988-04-08 1989-10-16 Mitsubishi Electric Corp 磁気デイスク
JPH04283417A (ja) * 1991-03-13 1992-10-08 Matsushita Electric Ind Co Ltd 磁気記録媒体およびその製造方法
JPH054896A (ja) * 1991-06-26 1993-01-14 Canon Inc 被膜の製造方法

Also Published As

Publication number Publication date
JPH06139559A (ja) 1994-05-20
EP0595564A2 (en) 1994-05-04
EP0595564A3 (en) 1994-06-15
TW253055B (enExample) 1995-08-01

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Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19931026

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19931026

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19970121

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19970428

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19970121

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I