KR850005667A - 자기 기록 매체의 제조방법 - Google Patents
자기 기록 매체의 제조방법 Download PDFInfo
- Publication number
- KR850005667A KR850005667A KR1019840004590A KR840004590A KR850005667A KR 850005667 A KR850005667 A KR 850005667A KR 1019840004590 A KR1019840004590 A KR 1019840004590A KR 840004590 A KR840004590 A KR 840004590A KR 850005667 A KR850005667 A KR 850005667A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic recording
- recording medium
- magnetic
- manufacturing magnetic
- binder resin
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims 3
- 239000011230 binding agent Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
-
- 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
- G11B5/842—Coating a support with a liquid magnetic dispersion
-
- 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
- G11B5/706—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 the composition of the magnetic material
- G11B5/70626—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 the composition of the magnetic material containing non-metallic substances
- G11B5/70642—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 the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
-
- 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
- G11B5/712—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 the surface treatment or coating of magnetic 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (2)
- 자성분과 바인더 수지를 주성분으로 하는 자성조성물에 의해 자기기록층을 형성하여서 자기기록매체를 제조함에 있어, 상기 자성조성물을 자성분과 상온에서 고형의 바인더수지와를 기계적으로 분쇄, 혼합하는 공정을 포함하는 수단에 의해 제조하는 것을 특징으로 하는 자기기록 매체의 제조 방법.
- 제1항에 있어서, 자성분이 치환원소를 포함하는 6방정 페라이트분인 것을 특징으로 하는 자기 기록 매체의 제조 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP249886 | 1983-12-27 | ||
JP58249866A JPS60138731A (ja) | 1983-12-27 | 1983-12-27 | 磁気記録媒体の製造方法 |
JP249866 | 1983-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850005667A true KR850005667A (ko) | 1985-08-28 |
KR890003198B1 KR890003198B1 (ko) | 1989-08-26 |
Family
ID=17199351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840004590A KR890003198B1 (ko) | 1983-12-27 | 1984-08-01 | 자기 기록 매체의 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4880666A (ko) |
EP (1) | EP0150561B1 (ko) |
JP (1) | JPS60138731A (ko) |
KR (1) | KR890003198B1 (ko) |
DE (1) | DE3482518D1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5180616A (en) * | 1986-06-23 | 1993-01-19 | Hitachi, Ltd. | Hard disk magnetic recording medium comprising magnetic powder and a binder and having a specified magnetic layer thickness and surface roughness |
JPS634422A (ja) * | 1986-06-23 | 1988-01-09 | Hitachi Ltd | 磁性塗料の製造法およびそれを用いた磁気記録媒体 |
JPH0834000B2 (ja) * | 1986-11-14 | 1996-03-29 | 株式会社日立製作所 | 磁性塗料の製造方法 |
JP2702948B2 (ja) * | 1987-12-04 | 1998-01-26 | 株式会社日立製作所 | 磁性塗料の製造方法およびそれを用いた磁気記録媒体 |
US5236738A (en) * | 1989-06-19 | 1993-08-17 | Fuji Photo Film Co. Ltd. | Method for making magnetic recording media by kneading, dilution kneading, and dispersing a mixture of inorganic grains, binders, and solvents |
JPH097159A (ja) * | 1995-06-21 | 1997-01-10 | Fuji Photo Film Co Ltd | 磁気記録ディスク及び磁気記録再生方法 |
KR20150010519A (ko) | 2013-07-19 | 2015-01-28 | 삼성전자주식회사 | 연자성 자기교환결합 복합 구조체 및 이를 포함한 고주파소자 부품, 안테나 모듈 및 자기저항소자 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2959153A (en) * | 1955-12-21 | 1960-11-08 | Ibm | Xerographic image developing apparatus |
US3486937A (en) * | 1967-03-24 | 1969-12-30 | Perkin Elmer Corp | Method of growing a single crystal film of a ferrimagnetic material |
US3645770A (en) * | 1968-04-22 | 1972-02-29 | Xerox Corp | Improved method for developing xerographic images |
DE1774163A1 (de) * | 1968-04-24 | 1971-12-16 | Siemens Ag | Flexibler Ferrit-Keeper fuer magnetische Duennschichtspeicher und Verfahren zur Herstellung des Materials fuer den Ferrit-Keeper |
JPS6057130B2 (ja) * | 1977-01-14 | 1985-12-13 | 富士写真フイルム株式会社 | 重層磁気記録テ−プの製法 |
JPS5525406A (en) * | 1978-08-11 | 1980-02-23 | Hitachi Ltd | Preparation of coating composition for magnetic recording disc |
US4415630A (en) * | 1980-06-10 | 1983-11-15 | Tdk Electronics Co., Ltd. | Process of making magnetic recording medium |
-
1983
- 1983-12-27 JP JP58249866A patent/JPS60138731A/ja active Granted
-
1984
- 1984-08-01 KR KR1019840004590A patent/KR890003198B1/ko not_active IP Right Cessation
- 1984-10-10 EP EP84306921A patent/EP0150561B1/en not_active Expired
- 1984-10-10 DE DE8484306921T patent/DE3482518D1/de not_active Expired - Lifetime
-
1987
- 1987-12-17 US US07/136,436 patent/US4880666A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0150561B1 (en) | 1990-06-13 |
KR890003198B1 (ko) | 1989-08-26 |
EP0150561A1 (en) | 1985-08-07 |
JPH0527171B2 (ko) | 1993-04-20 |
JPS60138731A (ja) | 1985-07-23 |
DE3482518D1 (de) | 1990-07-19 |
US4880666A (en) | 1989-11-14 |
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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: 19960819 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |