GB2081277B - Magnetic recording layers - Google Patents
Magnetic recording layersInfo
- Publication number
- GB2081277B GB2081277B GB8117509A GB8117509A GB2081277B GB 2081277 B GB2081277 B GB 2081277B GB 8117509 A GB8117509 A GB 8117509A GB 8117509 A GB8117509 A GB 8117509A GB 2081277 B GB2081277 B GB 2081277B
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic recording
- recording layers
- layers
- magnetic
- 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
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
- G11B5/68—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
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7822380A JPS573226A (en) | 1980-06-10 | 1980-06-10 | Magnetic recording medium |
JP7822480A JPS573227A (en) | 1980-06-10 | 1980-06-10 | Magnetic recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2081277A GB2081277A (en) | 1982-02-17 |
GB2081277B true GB2081277B (en) | 1985-01-30 |
Family
ID=26419309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8117509A Expired GB2081277B (en) | 1980-06-10 | 1981-06-08 | Magnetic recording layers |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3123012A1 (en) |
GB (1) | GB2081277B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5979431A (en) * | 1982-10-29 | 1984-05-08 | Konishiroku Photo Ind Co Ltd | Magnetic recording medium |
GB8418518D0 (en) * | 1984-07-20 | 1984-08-22 | Tioxide Group Plc | Compositions incorporating titanium compounds |
EP0180651B1 (en) * | 1984-10-31 | 1988-09-07 | Ibm Deutschland Gmbh | Magnetic disc and process for producing it |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS583292B2 (en) * | 1978-10-12 | 1983-01-20 | ティーディーケイ株式会社 | Manufacturing method of magnetic paint for magnetic recording media |
-
1981
- 1981-06-08 GB GB8117509A patent/GB2081277B/en not_active Expired
- 1981-06-10 DE DE19813123012 patent/DE3123012A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3123012A1 (en) | 1982-03-25 |
GB2081277A (en) | 1982-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930608 |