JPS5883334A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS5883334A JPS5883334A JP56180069A JP18006981A JPS5883334A JP S5883334 A JPS5883334 A JP S5883334A JP 56180069 A JP56180069 A JP 56180069A JP 18006981 A JP18006981 A JP 18006981A JP S5883334 A JPS5883334 A JP S5883334A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetic
- protective layer
- thin film
- recording medium
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 51
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000011241 protective layer Substances 0.000 claims abstract description 24
- 239000010409 thin film Substances 0.000 claims abstract description 23
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 239000010941 cobalt Substances 0.000 claims description 12
- 229910017052 cobalt Inorganic materials 0.000 claims description 12
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 11
- 238000007733 ion plating Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 28
- 239000010408 film Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 238000001704 evaporation Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 8
- -1 polyethylene terephthalate Polymers 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 229920006254 polymer film Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005566 electron beam evaporation Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010884 ion-beam technique Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000979 O alloy Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000283080 Proboscidea <mammal> Species 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 210000000554 iris Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 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
- G11B5/722—Protective coatings, e.g. anti-static or antifriction containing an anticorrosive material
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56180069A JPS5883334A (ja) | 1981-11-10 | 1981-11-10 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56180069A JPS5883334A (ja) | 1981-11-10 | 1981-11-10 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5883334A true JPS5883334A (ja) | 1983-05-19 |
| JPS6326459B2 JPS6326459B2 (enrdf_load_stackoverflow) | 1988-05-30 |
Family
ID=16076917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56180069A Granted JPS5883334A (ja) | 1981-11-10 | 1981-11-10 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5883334A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01133215A (ja) * | 1987-11-18 | 1989-05-25 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113207A (ja) * | 1974-07-15 | 1976-02-02 | Suwa Seikosha Kk | Jikikirokutai |
| JPS51102605A (ja) * | 1975-02-26 | 1976-09-10 | Suwa Seikosha Kk | Jikikirokutai |
| JPS5373108A (en) * | 1976-12-10 | 1978-06-29 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
| JPS5413307A (en) * | 1977-07-01 | 1979-01-31 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
-
1981
- 1981-11-10 JP JP56180069A patent/JPS5883334A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5113207A (ja) * | 1974-07-15 | 1976-02-02 | Suwa Seikosha Kk | Jikikirokutai |
| JPS51102605A (ja) * | 1975-02-26 | 1976-09-10 | Suwa Seikosha Kk | Jikikirokutai |
| JPS5373108A (en) * | 1976-12-10 | 1978-06-29 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
| JPS5413307A (en) * | 1977-07-01 | 1979-01-31 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01133215A (ja) * | 1987-11-18 | 1989-05-25 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6326459B2 (enrdf_load_stackoverflow) | 1988-05-30 |