KR100228824B1 - 자기기록매체 - Google Patents
자기기록매체 Download PDFInfo
- Publication number
- KR100228824B1 KR100228824B1 KR1019930016178A KR930016178A KR100228824B1 KR 100228824 B1 KR100228824 B1 KR 100228824B1 KR 1019930016178 A KR1019930016178 A KR 1019930016178A KR 930016178 A KR930016178 A KR 930016178A KR 100228824 B1 KR100228824 B1 KR 100228824B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- dispersion
- weight
- layer
- magnetic 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.)
- Expired - Fee Related
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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
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- 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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/708—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
- Y10T428/2995—Silane, siloxane or silicone coating
-
- 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]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
-
- 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]
- Y10T428/31652—Of asbestos
- Y10T428/31667—Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Lubricants (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
Claims (2)
- 유기 용매중의 중합체 결합제의 용액중에서 비등방성 자기재료 및 통상적인 첨가제의 분산액을 제조하고, 비자기성 기판에 층으로서 분산액을 도포시킨 후, 자기장내에 비등방성 자기재료를 배향시키고, 도포된 자기층을 고화시킴으로써 얻어지며, 사용되는 용매에 불용성이고 90이상의 융점을 갖는 미립 유기 소수성 지지안료가 자기재료의 양을 기준으로 0.1 내지 1.5 중량의 10,000 내지 500,000 mPa의 점도를 갖는 고점성 폴리실록산과 조합하여 0.1 내지 8중량의 양으로 자기층에 존재함을 특징으로 하는 자기기록매체.
- 제1항에 있어서, 미립 유기 지지안료가 2,000 내지 10,000의 분자량, 30미만의 구형 입자직경 및 95이상의 융점을 갖는 폴리에틸렌 또는 폴리프로필렌임을 특징으로 하는 자기기록매체,
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4227870A DE4227870A1 (de) | 1992-08-22 | 1992-08-22 | Magnetische Aufzeichnungsträger |
DEP4227870.8 | 1992-08-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940004541A KR940004541A (ko) | 1994-03-15 |
KR100228824B1 true KR100228824B1 (ko) | 1999-11-01 |
Family
ID=6466154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930016178A Expired - Fee Related KR100228824B1 (ko) | 1992-08-22 | 1993-08-20 | 자기기록매체 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5470650A (ko) |
EP (1) | EP0584633B1 (ko) |
JP (1) | JP3039902B2 (ko) |
KR (1) | KR100228824B1 (ko) |
DE (2) | DE4227870A1 (ko) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2654681A (en) * | 1950-01-27 | 1953-10-06 | Minnesota Mining & Mfg | Magnetic recording tape |
US2871218A (en) * | 1955-12-01 | 1959-01-27 | Goodrich Co B F | Simulated vulcanizates of polyurethane elastomers |
DE2753694C3 (de) * | 1977-12-02 | 1982-05-13 | Basf Ag, 6700 Ludwigshafen | Magnetische Aufzeichnungsträger mit Polyurethanelastomer-Bindemitteln in der Magnetschicht |
JPS57164425A (en) * | 1981-04-01 | 1982-10-09 | Tdk Corp | Magnetic recording medium |
JPS57164426A (en) * | 1981-04-01 | 1982-10-09 | Tdk Corp | Magnetic recording medium |
JPS57164427A (en) * | 1981-04-01 | 1982-10-09 | Tdk Corp | Magnetic recording medium |
JPS5898887A (ja) * | 1981-12-07 | 1983-06-11 | Fuji Photo Film Co Ltd | リ−ダ−テ−プを有する磁気テ−プ |
DE3226995A1 (de) * | 1982-07-20 | 1984-01-26 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von polyarylensulfid |
EP0100017B1 (de) * | 1982-07-21 | 1989-12-27 | BASF Aktiengesellschaft | Magnetische Aufzeichnungsträger |
DE3227164A1 (de) * | 1982-07-21 | 1984-01-26 | Basf Ag, 6700 Ludwigshafen | Magnetische aufzeichnungstraeger |
JPS6194233A (ja) * | 1984-10-15 | 1986-05-13 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPH0766520B2 (ja) * | 1985-01-08 | 1995-07-19 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JPH0690782B2 (ja) * | 1987-04-17 | 1994-11-14 | 富士写真フイルム株式会社 | 磁気記録媒体及びその製造方法 |
JP2537081B2 (ja) * | 1988-10-18 | 1996-09-25 | 富士写真フイルム株式会社 | 磁気記録媒体 |
US5270109A (en) * | 1990-01-17 | 1993-12-14 | Fuji Photo Film Co., Ltd. | Magnetic recording medium having a magnetic layer comprising ferromagnetic powder, a binder and a specified organosilicon lubricant compound |
JPH04157616A (ja) * | 1990-10-22 | 1992-05-29 | Hitachi Maxell Ltd | 磁気記録媒体 |
-
1992
- 1992-08-22 DE DE4227870A patent/DE4227870A1/de not_active Withdrawn
-
1993
- 1993-08-10 EP EP93112781A patent/EP0584633B1/de not_active Expired - Lifetime
- 1993-08-10 DE DE59304266T patent/DE59304266D1/de not_active Expired - Fee Related
- 1993-08-17 US US08/107,052 patent/US5470650A/en not_active Expired - Fee Related
- 1993-08-20 JP JP5206169A patent/JP3039902B2/ja not_active Expired - Lifetime
- 1993-08-20 KR KR1019930016178A patent/KR100228824B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0584633B1 (de) | 1996-10-23 |
JPH06176349A (ja) | 1994-06-24 |
DE59304266D1 (de) | 1996-11-28 |
DE4227870A1 (de) | 1994-02-24 |
EP0584633A1 (de) | 1994-03-02 |
KR940004541A (ko) | 1994-03-15 |
US5470650A (en) | 1995-11-28 |
JP3039902B2 (ja) | 2000-05-08 |
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Legal Events
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PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
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St.27 status event code: A-3-3-R10-R17-oth-X000 |
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St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
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St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
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St.27 status event code: A-3-3-R10-R17-oth-X000 |
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