KR870003473A - 자기 기록매체 - Google Patents

자기 기록매체 Download PDF

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Publication number
KR870003473A
KR870003473A KR1019860007366A KR860007366A KR870003473A KR 870003473 A KR870003473 A KR 870003473A KR 1019860007366 A KR1019860007366 A KR 1019860007366A KR 860007366 A KR860007366 A KR 860007366A KR 870003473 A KR870003473 A KR 870003473A
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KR
South Korea
Prior art keywords
magnetic recording
recording medium
surface treatment
treatment layer
layer
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.)
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Application number
KR1019860007366A
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English (en)
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KR900004754B1 (ko
Inventor
다까노리 구도오
헤이고 이시하라
모도오 아까기
Original Assignee
미따 가쯔시게
가부시기 가이샤 히다찌세이사구쇼
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.)
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Publication date
Priority claimed from JP20335385A external-priority patent/JPH07101497B2/ja
Priority claimed from JP60209925A external-priority patent/JPH0682461B2/ja
Priority claimed from JP24877385A external-priority patent/JPH0754577B2/ja
Application filed by 미따 가쯔시게, 가부시기 가이샤 히다찌세이사구쇼 filed Critical 미따 가쯔시게
Publication of KR870003473A publication Critical patent/KR870003473A/ko
Application granted granted Critical
Publication of KR900004754B1 publication Critical patent/KR900004754B1/ko
Expired legal-status Critical Current

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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
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • 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
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • G11B5/7253—Fluorocarbon lubricant
    • G11B5/7257—Perfluoropolyether lubricant
    • 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
    • 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
    • G11B5/726—Two or more protective coatings
    • 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
    • Y10T428/24—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
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • 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
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

Landscapes

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

Abstract

내용 없음

Description

자기 기록 매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 기판상에, 직접 또는 보호층을 개재해서 형성된 자기기록막을 가진 자기기록매체에 있어서, 상기 자기기록매체상에, 아지도화합물의 반응생성물로 이루어진 표면처리층과, 이 표면처리층상에 윤활성물질층을 가진 것을 특징으로 하는 자기기록매체.
  2. 제1항에 있어서, 표면처리층은, 부분적 또는 전체가 플루오르화된 알킬사슬을 기본골격으로 하고, 아지도기를 적어도 1개 가진 아지도화합물의 반응생성물로 이루어진 것을 특징으로 하는 자기기록매체.
  3. 제1항에 있어서, 표면처리층상에 형성된 윤활성물질층은 과플루오루알킬폴리에테르 혹은 부분적 또는 전체가 플루오르화된 알칸으로 이루어진 것을 특징으로 하는 자기기록매체.
  4. 제1항 또는 제2항에 있어서, 표면처리층의 막두께는, 5~500Å의 범위인 것을 특징으로 하는 자기기록매체.
  5. 제1항 또는 제3항에 있어서, 윤활성물질층의 막두께는, 20~500Å의 범위인 것을 특징으로 하는 자기기록매체.
  6. 기판상에, 직접 또는 보호층을 개재해서 형성된 자기기록막을 가진 자기기록매체에 있어서, 상기 자기기록막상에, 과플루오르알킬폴리에테르사슬을 가지며, 또한 아지도기를 적어도 1개 가진 플루오르함유 아지도화합물의 반응생성물로 이루어진 표면처리층과, 상기 표면처리층상에 과플루오르알킬폴리에테르를 기본골격으로 하는 플루오르함유 화합물로 이루어진 윤활성물질층을 가진 것을 특징으로 하는 자기기록매체.
  7. 제6항에 있어서, 표면처리층의 막두께는, 5~500Å의 범위에 있는 것을 특징으로 하는 자기기록매체.
  8. 제6항에 있어서, 윤활성물질층의 막두께는, 20~500Å의 범위에 있는 것을 특징으로 하는 자기기록매체.
  9. 기판상에 직접 또는 보호층을 개재해서 형성된 자기기록막을 가진 자기기록매체에 있어서, 상기 자기기록막상에, 아지도화합물의 반응생성물로 이루어진 표면처리층을 가진 것을 특징으로 하는 자기기록매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860007366A 1985-09-17 1986-09-03 자기 기록 매체 Expired KR900004754B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP203353 1985-09-17
JP20335385A JPH07101497B2 (ja) 1985-09-17 1985-09-17 磁気記録媒体
JP60-203353 1985-09-17
JP60-209925 1985-09-25
JP60209925A JPH0682461B2 (ja) 1985-09-25 1985-09-25 磁気記録媒体の表面処理法
JP209925 1985-09-25
JP248773 1985-11-08
JP24877385A JPH0754577B2 (ja) 1985-11-08 1985-11-08 磁気記録媒体
JP60-248773 1985-11-08

Publications (2)

Publication Number Publication Date
KR870003473A true KR870003473A (ko) 1987-04-17
KR900004754B1 KR900004754B1 (ko) 1990-07-05

Family

ID=27328228

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860007366A Expired KR900004754B1 (ko) 1985-09-17 1986-09-03 자기 기록 매체

Country Status (3)

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US (1) US4722859A (ko)
KR (1) KR900004754B1 (ko)
DE (1) DE3631484A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1174206B (it) * 1984-06-19 1987-07-01 Montedison Spa Fluouropolieteri contenenti gruppi terminali dotati di capacita' ancornanti
JP2550031B2 (ja) * 1986-09-10 1996-10-30 株式会社日立製作所 磁気記録媒体
US5061577A (en) * 1988-11-28 1991-10-29 Allied-Signal Inc. Magnetic coating compositions containing fluoropolyols
US5089063A (en) * 1990-01-08 1992-02-18 Pda Engineering, Inc. Method for providing adhesion to a metal surface

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094911A (en) * 1969-03-10 1978-06-13 Minnesota Mining And Manufacturing Company Poly(perfluoroalkylene oxide) derivatives
US4268556A (en) * 1979-01-08 1981-05-19 Minnesota Mining And Manufacturing Company Rigid magnetic recording disks lubricated with fluorinated telechelic polyether
US4446193A (en) * 1983-04-29 1984-05-01 International Business Machines Corporation Process for chemically bonding lubricant to an information carrier and products thereof
DE3374152D1 (en) * 1983-05-02 1987-11-26 Ibm Deutschland Device consisting of a magnetic disc with a lubricant and a magnetic head, and process for manufacturing the device
JPS6061916A (ja) * 1983-09-16 1985-04-09 Victor Co Of Japan Ltd 磁気記録媒体
US4529659A (en) * 1983-11-05 1985-07-16 Nippon Telegraph & Telephone Public Corporation Magnetic recording member and process for manufacturing the same
JPS60109028A (ja) * 1983-11-17 1985-06-14 Hitachi Maxell Ltd 磁気記録媒体

Also Published As

Publication number Publication date
DE3631484A1 (de) 1987-03-26
KR900004754B1 (ko) 1990-07-05
DE3631484C2 (ko) 1991-02-28
US4722859A (en) 1988-02-02

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