KR880011738A - 자기 기록매체 - Google Patents
자기 기록매체 Download PDFInfo
- Publication number
- KR880011738A KR880011738A KR1019880002917A KR880002917A KR880011738A KR 880011738 A KR880011738 A KR 880011738A KR 1019880002917 A KR1019880002917 A KR 1019880002917A KR 880002917 A KR880002917 A KR 880002917A KR 880011738 A KR880011738 A KR 880011738A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic recording
- recording media
- nonmagnetic metal
- concentration distribution
- diffused
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
-
- 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
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
-
- 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
-
- 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
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 실시예의 강자서막에 대해서 오제 분석으로 측정한 막후 방향의 농도 분포를 도시하는 특성도.
제2도는 측정한 자기특성을 설명하기 위한 자화 곡선을 도시하는 특성도.
제3도는 실시예의 강자성막의 막구조를 도시하는 모식도.
Claims (1)
- 기체상에 형성된 강자성막중에 비자성 금속 및/또는 비자성 금속 산화물이 막후 방향으로 농도 분포가 대체로 동일하게 되도록 확산된 것을 특징으로 하는 자기 기록 매체.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP070967 | 1987-03-25 | ||
JP62070967A JPS63237210A (ja) | 1987-03-25 | 1987-03-25 | 磁気記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR880011738A true KR880011738A (ko) | 1988-10-31 |
Family
ID=13446802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880002917A KR880011738A (ko) | 1987-03-25 | 1988-03-19 | 자기 기록매체 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4939046A (ko) |
JP (1) | JPS63237210A (ko) |
KR (1) | KR880011738A (ko) |
DE (1) | DE3810269A1 (ko) |
FR (1) | FR2613110B1 (ko) |
GB (1) | GB2202866B (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2714698B2 (ja) * | 1989-05-12 | 1998-02-16 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JP2697227B2 (ja) * | 1989-10-20 | 1998-01-14 | 富士電機株式会社 | 磁気記録媒体およびその製造方法 |
US5062938A (en) * | 1990-01-16 | 1991-11-05 | International Business Machines Corporation | High coercivity low noise cobalt alloy magnetic recording medium and its manufacturing process |
DE69230493T2 (de) * | 1991-04-04 | 2000-05-04 | Seagate Technology | Verfahren und vorrichtung zum sputtern mit hoher geschwindigkeit |
US6294058B1 (en) * | 1994-07-15 | 2001-09-25 | United Module Corporation | Enhanced methods and apparatus for producing micro-textured, thin film, magnetic disc media and compositely micro-textured disc media produced thereby |
US5871621A (en) * | 1994-09-27 | 1999-02-16 | Komag, Incorporated | Method of fabricating a textured magnetic storage disk |
US5460704A (en) * | 1994-09-28 | 1995-10-24 | Motorola, Inc. | Method of depositing ferrite film |
MY138932A (en) * | 2002-04-09 | 2009-08-28 | Fuji Electric Co Ltd | Magnetic recording medium and the method of manufacturing the same |
DE10249959B4 (de) * | 2002-10-26 | 2007-05-16 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zur Herstellung von Essigsäure |
DE10250866B4 (de) | 2002-10-31 | 2009-01-02 | Qimonda Ag | D-Flipflop |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5724027A (en) * | 1980-07-16 | 1982-02-08 | Tdk Corp | Magnetic recording medium |
JPS5758227A (en) * | 1980-09-25 | 1982-04-07 | Tdk Corp | Magnetic recording medium |
CA1188796A (en) * | 1981-04-14 | 1985-06-11 | Kenji Yazawa | Magnetic recording medium |
DE3328719C2 (de) * | 1982-08-10 | 1985-07-25 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Magnetisches Aufzeichnungsmaterial |
JPS5930230A (ja) * | 1982-08-12 | 1984-02-17 | Sony Corp | 金属薄膜型磁気記録媒体 |
JPS5968815A (ja) * | 1982-10-12 | 1984-04-18 | Sony Corp | 磁気記録媒体 |
US4567116A (en) * | 1983-08-06 | 1986-01-28 | Canon Kabushiki Kaisha | Magnetic recording medium |
US4640755A (en) * | 1983-12-12 | 1987-02-03 | Sony Corporation | Method for producing magnetic medium |
JPS60154323A (ja) * | 1984-01-20 | 1985-08-14 | Sony Corp | 磁気記録媒体 |
CA1235485A (en) * | 1984-01-20 | 1988-04-19 | Kenji Yazawa | Magnetic recording medium |
JPH0679374B2 (ja) * | 1984-02-20 | 1994-10-05 | ティーディーケイ株式会社 | 磁気記録媒体 |
JPH0618059B2 (ja) * | 1984-04-11 | 1994-03-09 | 株式会社日立製作所 | 垂直磁気記録媒体 |
-
1987
- 1987-03-25 JP JP62070967A patent/JPS63237210A/ja active Pending
-
1988
- 1988-03-11 US US07/167,085 patent/US4939046A/en not_active Expired - Lifetime
- 1988-03-19 KR KR1019880002917A patent/KR880011738A/ko not_active Application Discontinuation
- 1988-03-23 GB GB8806932A patent/GB2202866B/en not_active Expired - Lifetime
- 1988-03-25 DE DE3810269A patent/DE3810269A1/de not_active Withdrawn
- 1988-03-25 FR FR888804004A patent/FR2613110B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2202866A (en) | 1988-10-05 |
FR2613110B1 (fr) | 1992-01-24 |
DE3810269A1 (de) | 1988-10-06 |
US4939046A (en) | 1990-07-03 |
GB8806932D0 (en) | 1988-04-27 |
GB2202866B (en) | 1991-07-03 |
JPS63237210A (ja) | 1988-10-03 |
FR2613110A1 (fr) | 1988-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |