DE69024137D1 - Magnetisches Aufzeichnungsmedium - Google Patents
Magnetisches AufzeichnungsmediumInfo
- Publication number
- DE69024137D1 DE69024137D1 DE69024137T DE69024137T DE69024137D1 DE 69024137 D1 DE69024137 D1 DE 69024137D1 DE 69024137 T DE69024137 T DE 69024137T DE 69024137 T DE69024137 T DE 69024137T DE 69024137 D1 DE69024137 D1 DE 69024137D1
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- magnetic recording
- magnetic
- medium
- recording
- 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
- G11B5/62—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
- G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1224061A JP2974691B2 (ja) | 1989-08-30 | 1989-08-30 | 磁気記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69024137D1 true DE69024137D1 (de) | 1996-01-25 |
DE69024137T2 DE69024137T2 (de) | 1996-08-29 |
Family
ID=16807960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69024137T Expired - Fee Related DE69024137T2 (de) | 1989-08-30 | 1990-08-30 | Magnetisches Aufzeichnungsmedium |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0415431B1 (de) |
JP (1) | JP2974691B2 (de) |
DE (1) | DE69024137T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH087859B2 (ja) * | 1991-09-06 | 1996-01-29 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 磁気記録媒体及びその製造方法 |
JP7277313B2 (ja) * | 2019-08-21 | 2023-05-18 | デンカ株式会社 | 水閘、灌漑装置、灌漑システム及び作物の栽培方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57183004A (en) * | 1981-05-07 | 1982-11-11 | Fuji Photo Film Co Ltd | Magnetically recording medium |
JPS57198614A (en) * | 1981-05-30 | 1982-12-06 | Nippon Gakki Seizo Kk | Magnetic recording tape |
JPS6115941A (ja) * | 1984-06-30 | 1986-01-24 | Res Dev Corp Of Japan | 酸素を含む強磁性非晶質合金およびその製造法 |
DE3685219D1 (de) * | 1985-06-21 | 1992-06-11 | Sumitomo Metal Mining Co | Magnetisches speichermedium. |
DE3710477C2 (de) * | 1986-03-31 | 1999-05-12 | Japan Res Dev Corp | Dünne Schicht mit senkrechter Magnetisierungsisotropie |
JPS62298017A (ja) * | 1986-06-17 | 1987-12-25 | Nippon Mining Co Ltd | 磁気記録媒体及びその製造法 |
JPS63266626A (ja) * | 1987-04-23 | 1988-11-02 | Toshiba Corp | 磁気記録媒体 |
JP2643227B2 (ja) * | 1988-02-22 | 1997-08-20 | ソニー株式会社 | 磁性薄膜 |
JP2625959B2 (ja) * | 1988-09-09 | 1997-07-02 | ソニー株式会社 | 磁性薄膜 |
KR970007795B1 (ko) * | 1988-02-22 | 1997-05-16 | 소니 가부시끼 가이샤 | 자기 박막 |
-
1989
- 1989-08-30 JP JP1224061A patent/JP2974691B2/ja not_active Expired - Fee Related
-
1990
- 1990-08-30 DE DE69024137T patent/DE69024137T2/de not_active Expired - Fee Related
- 1990-08-30 EP EP90116699A patent/EP0415431B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0415431A2 (de) | 1991-03-06 |
JP2974691B2 (ja) | 1999-11-10 |
EP0415431A3 (en) | 1992-03-04 |
JPH0386915A (ja) | 1991-04-11 |
DE69024137T2 (de) | 1996-08-29 |
EP0415431B1 (de) | 1995-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |