JPS5724023A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS5724023A JPS5724023A JP9626880A JP9626880A JPS5724023A JP S5724023 A JPS5724023 A JP S5724023A JP 9626880 A JP9626880 A JP 9626880A JP 9626880 A JP9626880 A JP 9626880A JP S5724023 A JPS5724023 A JP S5724023A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- layer
- magnetic recording
- deposited
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 3
- 229910052802 copper Inorganic materials 0.000 abstract 3
- 239000010949 copper Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 229910020630 Co Ni Inorganic materials 0.000 abstract 1
- 229910002440 Co–Ni Inorganic materials 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
Landscapes
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Abstract
PURPOSE:To obtain a magnetic recording medium having an excellent adhesive strength between a magnetic layer and a base material and a high magnetic properties (coercive force and squareness), by forming a metallic and magnetic layer on the base material of a high molecular molded product to which the copper is vapor-deposited as a foundation process. CONSTITUTION:The copper is obliquely vapor-deposited on a base material 1 of a high molecular molded product (such as a polyethylene terephthalate film) with an angle of about >=40 degrees. Thus a copper layer 2 is obtained with an about >=200mu thickness. Thereafter, a magnetic metal (such as a Co-Ni alloy) is obliquely vapor-deposited on the layer 2 to form a magnetic layer 3. Thus a magnetic recording medium is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9626880A JPS5724023A (en) | 1980-07-16 | 1980-07-16 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9626880A JPS5724023A (en) | 1980-07-16 | 1980-07-16 | Magnetic recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5724023A true JPS5724023A (en) | 1982-02-08 |
Family
ID=14160399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9626880A Pending JPS5724023A (en) | 1980-07-16 | 1980-07-16 | Magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5724023A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989007522A1 (en) * | 1988-02-10 | 1989-08-24 | Olin Corporation | Method for producing rigid magnetic recording disks |
-
1980
- 1980-07-16 JP JP9626880A patent/JPS5724023A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989007522A1 (en) * | 1988-02-10 | 1989-08-24 | Olin Corporation | Method for producing rigid magnetic recording disks |
| US4882236A (en) * | 1988-02-10 | 1989-11-21 | Olin Corporation | Rigid magnetic recording disks and method of producing same |
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