JPS57179949A - Magnetic recording medium and its manufacture - Google Patents
Magnetic recording medium and its manufactureInfo
- Publication number
- JPS57179949A JPS57179949A JP56065062A JP6506281A JPS57179949A JP S57179949 A JPS57179949 A JP S57179949A JP 56065062 A JP56065062 A JP 56065062A JP 6506281 A JP6506281 A JP 6506281A JP S57179949 A JPS57179949 A JP S57179949A
- Authority
- JP
- Japan
- Prior art keywords
- source
- thin film
- oxygen
- recording medium
- metallic thin
- 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
- 230000005291 magnetic effect Effects 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 3
- 239000001301 oxygen Substances 0.000 abstract 3
- 229910052760 oxygen Inorganic materials 0.000 abstract 3
- 239000010409 thin film Substances 0.000 abstract 3
- 239000010408 film Substances 0.000 abstract 2
- 229920000728 polyester Polymers 0.000 abstract 2
- 229910000990 Ni alloy Inorganic materials 0.000 abstract 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 1
- 239000010941 cobalt Substances 0.000 abstract 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 1
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56065062A JPS57179949A (en) | 1981-04-29 | 1981-04-29 | Magnetic recording medium and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56065062A JPS57179949A (en) | 1981-04-29 | 1981-04-29 | Magnetic recording medium and its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57179949A true JPS57179949A (en) | 1982-11-05 |
Family
ID=13276087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56065062A Pending JPS57179949A (en) | 1981-04-29 | 1981-04-29 | Magnetic recording medium and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57179949A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57186231A (en) * | 1981-05-13 | 1982-11-16 | Matsushita Electric Ind Co Ltd | Manufacture for magnetic recording medium |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5280804A (en) * | 1975-12-27 | 1977-07-06 | Seiko Epson Corp | Magnetic recording medium |
JPS5385404A (en) * | 1977-01-07 | 1978-07-27 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
JPS57117126A (en) * | 1981-01-12 | 1982-07-21 | Matsushita Electric Ind Co Ltd | Manufacture for metallic thin film type magnetic recording body |
JPS57152542A (en) * | 1981-03-13 | 1982-09-20 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
-
1981
- 1981-04-29 JP JP56065062A patent/JPS57179949A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5280804A (en) * | 1975-12-27 | 1977-07-06 | Seiko Epson Corp | Magnetic recording medium |
JPS5385404A (en) * | 1977-01-07 | 1978-07-27 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
JPS57117126A (en) * | 1981-01-12 | 1982-07-21 | Matsushita Electric Ind Co Ltd | Manufacture for metallic thin film type magnetic recording body |
JPS57152542A (en) * | 1981-03-13 | 1982-09-20 | Matsushita Electric Ind Co Ltd | Manufacture of magnetic recording medium |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57186231A (en) * | 1981-05-13 | 1982-11-16 | Matsushita Electric Ind Co Ltd | Manufacture for magnetic recording medium |
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