KR870000685A - 자기 디스크(磁氣 Disk) - Google Patents
자기 디스크(磁氣 Disk) Download PDFInfo
- Publication number
- KR870000685A KR870000685A KR1019860004629A KR860004629A KR870000685A KR 870000685 A KR870000685 A KR 870000685A KR 1019860004629 A KR1019860004629 A KR 1019860004629A KR 860004629 A KR860004629 A KR 860004629A KR 870000685 A KR870000685 A KR 870000685A
- Authority
- KR
- South Korea
- Prior art keywords
- substrate
- magnetic disk
- oriented
- orientation direction
- sheets
- Prior art date
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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73921—Glass or ceramic substrates
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- 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
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
- G11B5/73919—Aluminium or titanium elemental or alloy substrates
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73925—Composite or coated non-esterified substrates
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73937—Substrates having an organic polymer comprising a ring structure
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/91—Product with molecular orientation
-
- 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]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Magnetic Record Carriers (AREA)
- Polyamides (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (3)
- 용융된 상태에서 비등방성상이 가능한 중합체를 함유하는 수지 조성물의 기판과, 상기 기판의 적어도 한표면에 형성된 자기층으로 구성되는 것을 특징으로 하는 자기 디스크.
- 제1항에 있어서, 상기 기판은 다수의 단축배향 시이트의 적층판이어서, 결국 상기 기판은 다축 배향된 것임을 특징으로 하는 자기 디스크.
- 제1항에 있어서, 상기 기판은 한 시이트 배향 방향이 다른 하나의 시이트 배향 방향과 약90°의 각도로 교차하도록 서로 적층된, 두 단축 배향 시이트의 적층판이어서, 결국 상기 기판은 2-축 배향된 것임을 특징으로 하는 자기 디스크.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP129616 | 1985-06-14 | ||
JP60-129616 | 1985-06-14 | ||
JP12961685A JPH0673179B2 (ja) | 1985-06-14 | 1985-06-14 | 磁気デイスク |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870000685A true KR870000685A (ko) | 1987-02-19 |
KR920002086B1 KR920002086B1 (ko) | 1992-03-10 |
Family
ID=15013869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860004629A KR920002086B1 (ko) | 1985-06-14 | 1986-06-11 | 자기 디스크(磁氣 Disk) |
Country Status (7)
Country | Link |
---|---|
US (1) | US4726998A (ko) |
EP (1) | EP0206599B1 (ko) |
JP (1) | JPH0673179B2 (ko) |
KR (1) | KR920002086B1 (ko) |
CA (1) | CA1288543C (ko) |
DE (1) | DE3675437D1 (ko) |
SG (1) | SG129692G (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61117730A (ja) * | 1984-11-13 | 1986-06-05 | Mitsubishi Chem Ind Ltd | デイスク基板 |
US4818581A (en) * | 1986-08-27 | 1989-04-04 | Teijin Limited | Biaxially oriented polyester film |
JPH0726011B2 (ja) * | 1986-10-17 | 1995-03-22 | ポリプラスチックス株式会社 | ポリエステル樹脂組成物 |
JPS6414246A (en) * | 1987-07-07 | 1989-01-18 | Diafoil Co Ltd | Polyphenylene sulfide film |
US5124184A (en) * | 1987-08-21 | 1992-06-23 | Minnesota Mining And Manufacturing Co. | Films containing liquid crystalline polymers |
US4963402A (en) * | 1987-08-21 | 1990-10-16 | Minnesota Mining And Manufacturing Company | Films containing liquid crystalline polymers |
US4869967A (en) * | 1988-02-29 | 1989-09-26 | Director General Of The Agency Of Industrial Science And Technology | Multi-layer molded article and process for producing same |
DE3817446A1 (de) * | 1988-05-21 | 1989-11-23 | Agfa Gevaert Ag | Verfahren zur herstellung eines aufzeichnungstraegers |
US4892912A (en) * | 1988-11-08 | 1990-01-09 | Idemitsu Petrochemical Co., Ltd. | Process for producing aromatic polyester |
JP2653163B2 (ja) * | 1989-03-23 | 1997-09-10 | 松下電器産業株式会社 | 磁気テープ |
US5045610A (en) * | 1989-08-31 | 1991-09-03 | The Dow Chemical Company | Blend of copolyestercarbonate polymer derived from diaryl dicarboxylic acid |
DE69231159D1 (de) * | 1991-04-01 | 2000-07-13 | Foster Miller Inc | Extrudierte thermoplasten, flüssigkristalline polymere und daraus bestehende zusammensetzungen mit planärer morphologie |
JP3090706B2 (ja) * | 1991-04-08 | 2000-09-25 | 株式会社クラレ | 液晶高分子よりなるフィルムの製造方法 |
US5981007A (en) * | 1992-03-31 | 1999-11-09 | Foster-Miller, Inc. | Extruded thermoplastic, liquid crystalline polymers and blends thereof having a planar morphology |
JP3351475B2 (ja) * | 1992-10-03 | 2002-11-25 | ユニチカ株式会社 | 積層板及びその製造方法 |
US7179551B2 (en) | 1999-02-12 | 2007-02-20 | General Electric Company | Poly(arylene ether) data storage media |
CN100449616C (zh) | 1999-02-12 | 2009-01-07 | 通用电气公司 | 数据存储介质及其形成方法、压印衬底及检索数据的方法 |
JP2002069392A (ja) * | 2000-08-31 | 2002-03-08 | Polymatech Co Ltd | 熱伝導性接着フィルムおよびその製造方法ならびに電子部品 |
AU2002303382A1 (en) * | 2001-04-19 | 2002-11-05 | General Electric Company | Spin coating process |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1176482A (en) * | 1966-09-07 | 1970-01-01 | Zonal Film Magnetic Coatings L | Magnetic Disk |
JPS5926471B2 (ja) * | 1976-03-12 | 1984-06-27 | 帝人株式会社 | 積層体 |
ATE7971T1 (de) * | 1980-09-06 | 1984-06-15 | International Business Machines Corporation | Magnetplatten-traegerkern aus faserverstaerktem kunststoff. |
US4390683A (en) * | 1980-10-09 | 1983-06-28 | Mitsui Petrochemical Industries Ltd. | Stretched film structure of the poly-1,3-phenylene terephthalate type |
US4384016A (en) * | 1981-08-06 | 1983-05-17 | Celanese Corporation | Mutiaxially oriented high performance laminates comprised of uniaxially oriented sheets of thermotropic liquid crystal polymers |
JPS58215723A (ja) * | 1982-06-08 | 1983-12-15 | Diafoil Co Ltd | 磁気記録体用ポリエステルフイルム |
JPS58215722A (ja) * | 1982-06-08 | 1983-12-15 | Diafoil Co Ltd | 磁気記録体用ポリエステルフイルム |
US4539389A (en) * | 1983-03-30 | 1985-09-03 | Teijin Limited | Biaxially oriented polyester film |
JPS59195322A (ja) * | 1983-04-20 | 1984-11-06 | Toray Ind Inc | 磁気デイスク |
FR2548958B1 (fr) * | 1983-07-13 | 1986-03-21 | Rhone Poulenc Films | Films polyesters composites |
JPS6021250A (ja) * | 1983-07-15 | 1985-02-02 | 東レ株式会社 | 複合ポリエステルフイルム |
JPS6071254A (ja) * | 1983-09-29 | 1985-04-23 | 帝人株式会社 | 易接着性ポリエステルフィルム |
US4606930A (en) * | 1984-03-02 | 1986-08-19 | Sumitomo Chemical Company, Limited | Method for treating fibers |
JPS6178862A (ja) * | 1984-09-27 | 1986-04-22 | Toray Ind Inc | 二軸配向ポリエステルフイルム |
-
1985
- 1985-06-14 JP JP12961685A patent/JPH0673179B2/ja not_active Expired - Lifetime
-
1986
- 1986-06-05 US US06/870,812 patent/US4726998A/en not_active Expired - Fee Related
- 1986-06-06 DE DE8686304332T patent/DE3675437D1/de not_active Expired - Lifetime
- 1986-06-06 EP EP19860304332 patent/EP0206599B1/en not_active Expired - Lifetime
- 1986-06-11 KR KR1019860004629A patent/KR920002086B1/ko not_active IP Right Cessation
- 1986-06-13 CA CA 511515 patent/CA1288543C/en not_active Expired - Fee Related
-
1992
- 1992-12-19 SG SG129692A patent/SG129692G/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS61289523A (ja) | 1986-12-19 |
EP0206599A2 (en) | 1986-12-30 |
SG129692G (en) | 1993-06-11 |
EP0206599B1 (en) | 1990-11-07 |
KR920002086B1 (ko) | 1992-03-10 |
US4726998A (en) | 1988-02-23 |
DE3675437D1 (de) | 1990-12-13 |
CA1288543C (en) | 1991-09-03 |
EP0206599A3 (en) | 1988-07-13 |
JPH0673179B2 (ja) | 1994-09-14 |
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MICHALOWSKY | SUBSTRATE MATERIALS |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |