JPS6038727A - Magnetic recording medium and its manufacture - Google Patents
Magnetic recording medium and its manufactureInfo
- Publication number
- JPS6038727A JPS6038727A JP14519383A JP14519383A JPS6038727A JP S6038727 A JPS6038727 A JP S6038727A JP 14519383 A JP14519383 A JP 14519383A JP 14519383 A JP14519383 A JP 14519383A JP S6038727 A JPS6038727 A JP S6038727A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- plasma
- electrode
- recording medium
- magnetic
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000010408 film Substances 0.000 abstract 3
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NScgaGVpZ2h0PSc4NScgeD0nMCcgeT0nMCc+IDwvcmVjdD4KPHRleHQgeD0nMzUuMDQ1NScgeT0nNTMuNTkwOScgY2xhc3M9J2F0b20tMCcgc3R5bGU9J2ZvbnQtc2l6ZToyM3B4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6IzNCNDE0MycgPkE8L3RleHQ+Cjx0ZXh0IHg9JzUxLjA0MDknIHk9JzUzLjU5MDknIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6MjNweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiMzQjQxNDMnID5sPC90ZXh0Pgo8dGV4dCB4PSc1Ni4zNjQ3JyB5PSc0NC4zMTgyJyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjE1cHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojM0I0MTQzJyA+MzwvdGV4dD4KPHRleHQgeD0nNjQuMzk5NicgeT0nNDQuMzE4MicgY2xhc3M9J2F0b20tMCcgc3R5bGU9J2ZvbnQtc2l6ZToxNXB4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6IzNCNDE0MycgPis8L3RleHQ+Cjwvc3ZnPgo= [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound 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 CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000000203 mixture Substances 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
- 239000000126 substance Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 238000004804 winding Methods 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
Abstract
PURPOSE:To obtain a thin film type magnetic recording medium havng an overcoat layer with superior wear and corrosion resistances by forming an org. plasma-polymerized layer contg. silicon on a magnetic layer so that the refractive index is adjusted to a specified value or above. CONSTITUTION:A support 10 having a magnetic metallic (alloy) film vapor-depodited on a polyethylene terephthalate film is sent from a sending reel 11 in a sending chamer 3 to a winding reel 13 through an electric discharge chamber 2. In the chamber 2, a mixture of a compound contg. silicon such as vinyltrimethoxysilane with O2, N2 and H2 as plasma-nonpolymerizable gases is fed from small holes in the edge of an upper electrode 6 to the chamber 2 through the slender pipe of the electrode 6, gaseous Ar or the like is sent from inlets 14 as required, and high frequency power is applied to a lower electrode 7 to form an evercoat layer of an org. plasma-polymerized substance contg. Si and having >=1.45 refractive index on the magnetic film. The thickness of the overcoat layer is 20-1,000Angstrom . Thus, a magnetic recording medium having a small spacing loss and superior traveling performance without reducing the reproduction output is obtd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14519383A JPH0325849B2 (en) | 1983-08-09 | 1983-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14519383A JPH0325849B2 (en) | 1983-08-09 | 1983-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6038727A true JPS6038727A (en) | 1985-02-28 |
| JPH0325849B2 JPH0325849B2 (en) | 1991-04-09 |
Family
ID=15379572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14519383A Expired - Lifetime JPH0325849B2 (en) | 1983-08-09 | 1983-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325849B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6057536A (en) * | 1983-09-08 | 1985-04-03 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPS62153996A (en) * | 1985-12-27 | 1987-07-08 | Nippon Musical Instruments Mfg | Panel unit for electronic musical apparatus |
| US5904952A (en) * | 1987-07-15 | 1999-05-18 | The Boc Group, Inc. | Method of plasma enhanced silicon oxide deposition |
| EP1109947A1 (en) * | 1998-07-27 | 2001-06-27 | Cyndi Brodbeck | Hardcoats for flat panel display substrates |
-
1983
- 1983-08-09 JP JP14519383A patent/JPH0325849B2/ja not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6057536A (en) * | 1983-09-08 | 1985-04-03 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPH0576097B2 (en) * | 1983-09-08 | 1993-10-21 | Hitachi Maxell | |
| JPS62153996A (en) * | 1985-12-27 | 1987-07-08 | Nippon Musical Instruments Mfg | Panel unit for electronic musical apparatus |
| US5904952A (en) * | 1987-07-15 | 1999-05-18 | The Boc Group, Inc. | Method of plasma enhanced silicon oxide deposition |
| EP1109947A1 (en) * | 1998-07-27 | 2001-06-27 | Cyndi Brodbeck | Hardcoats for flat panel display substrates |
| EP1109947A4 (en) * | 1998-07-27 | 2004-09-22 | Bekaert Sa Nv | Hardcoats for flat panel display substrates |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0325849B2 (en) | 1991-04-09 |
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