KR870003473A - 자기 기록매체 - Google Patents
자기 기록매체 Download PDFInfo
- 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
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic recording
- recording medium
- surface treatment
- treatment layer
- layer
- Prior art date
Links
- 239000002335 surface treatment layer Substances 0.000 claims 8
- 239000010410 layer Substances 0.000 claims 5
- 239000000463 material Substances 0.000 claims 4
- -1 azido compound Chemical class 0.000 claims 3
- 239000007795 chemical reaction product Substances 0.000 claims 3
- 239000011241 protective layer Substances 0.000 claims 3
- 239000000758 substrate Substances 0.000 claims 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims 2
- 125000000852 azido group Chemical group *N=[N+]=[N-] 0.000 claims 2
- 230000001050 lubricating effect Effects 0.000 claims 2
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims 2
- 229920000570 polyether Polymers 0.000 claims 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
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
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (9)
- 기판상에, 직접 또는 보호층을 개재해서 형성된 자기기록막을 가진 자기기록매체에 있어서, 상기 자기기록매체상에, 아지도화합물의 반응생성물로 이루어진 표면처리층과, 이 표면처리층상에 윤활성물질층을 가진 것을 특징으로 하는 자기기록매체.
- 제1항에 있어서, 표면처리층은, 부분적 또는 전체가 플루오르화된 알킬사슬을 기본골격으로 하고, 아지도기를 적어도 1개 가진 아지도화합물의 반응생성물로 이루어진 것을 특징으로 하는 자기기록매체.
- 제1항에 있어서, 표면처리층상에 형성된 윤활성물질층은 과플루오루알킬폴리에테르 혹은 부분적 또는 전체가 플루오르화된 알칸으로 이루어진 것을 특징으로 하는 자기기록매체.
- 제1항 또는 제2항에 있어서, 표면처리층의 막두께는, 5~500Å의 범위인 것을 특징으로 하는 자기기록매체.
- 제1항 또는 제3항에 있어서, 윤활성물질층의 막두께는, 20~500Å의 범위인 것을 특징으로 하는 자기기록매체.
- 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.
- 제6항에 있어서, 표면처리층의 막두께는, 5~500Å의 범위에 있는 것을 특징으로 하는 자기기록매체.
- 제6항에 있어서, 윤활성물질층의 막두께는, 20~500Å의 범위에 있는 것을 특징으로 하는 자기기록매체.
- 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.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20335385A JPH07101497B2 (ja) | 1985-09-17 | 1985-09-17 | 磁気記録媒体 |
JP203353 | 1985-09-17 | ||
JP60-203353 | 1985-09-17 | ||
JP60-209925 | 1985-09-25 | ||
JP209925 | 1985-09-25 | ||
JP60209925A JPH0682461B2 (ja) | 1985-09-25 | 1985-09-25 | 磁気記録媒体の表面処理法 |
JP248773 | 1985-11-08 | ||
JP60-248773 | 1985-11-08 | ||
JP24877385A JPH0754577B2 (ja) | 1985-11-08 | 1985-11-08 | 磁気記録媒体 |
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 KR900004754B1 (ko) | 1985-09-17 | 1986-09-03 | 자기 기록 매체 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4722859A (ko) |
KR (1) | KR900004754B1 (ko) |
DE (1) | DE3631484A1 (ko) |
Families Citing this family (4)
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)
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 |
-
1986
- 1986-09-03 KR KR1019860007366A patent/KR900004754B1/ko not_active IP Right Cessation
- 1986-09-08 US US06/904,403 patent/US4722859A/en not_active Expired - Lifetime
- 1986-09-16 DE DE19863631484 patent/DE3631484A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3631484C2 (ko) | 1991-02-28 |
US4722859A (en) | 1988-02-02 |
KR900004754B1 (ko) | 1990-07-05 |
DE3631484A1 (de) | 1987-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19960703 Year of fee payment: 7 |
|
LAPS | Lapse due to unpaid annual fee |