JPS58158030A - 磁気記録媒体の製造方法 - Google Patents
磁気記録媒体の製造方法Info
- Publication number
- JPS58158030A JPS58158030A JP57041283A JP4128382A JPS58158030A JP S58158030 A JPS58158030 A JP S58158030A JP 57041283 A JP57041283 A JP 57041283A JP 4128382 A JP4128382 A JP 4128382A JP S58158030 A JPS58158030 A JP S58158030A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- magnetic recording
- recording medium
- packing rate
- magnetic layer
- 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 18
- 239000010409 thin film Substances 0.000 claims abstract description 14
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000001771 vacuum deposition Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 4
- 230000005415 magnetization Effects 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910020706 Co—Re Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003887 surface segregation Methods 0.000 description 1
- 229910006297 γ-Fe2O3 Inorganic materials 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57041283A JPS58158030A (ja) | 1982-03-15 | 1982-03-15 | 磁気記録媒体の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57041283A JPS58158030A (ja) | 1982-03-15 | 1982-03-15 | 磁気記録媒体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58158030A true JPS58158030A (ja) | 1983-09-20 |
| JPH0227732B2 JPH0227732B2 (enrdf_load_stackoverflow) | 1990-06-19 |
Family
ID=12604113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57041283A Granted JPS58158030A (ja) | 1982-03-15 | 1982-03-15 | 磁気記録媒体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58158030A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61208623A (ja) * | 1985-03-13 | 1986-09-17 | Toray Ind Inc | 垂直磁気記録媒体の製造方法 |
| JPS62185246A (ja) * | 1986-02-10 | 1987-08-13 | Matsushita Electric Ind Co Ltd | 磁気記録媒体の製造方法 |
| JP2009292612A (ja) * | 2008-06-06 | 2009-12-17 | Miyake Seisakusho:Kk | 粉粒体輸送装置及び粉粒体輸送方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248033A (en) * | 1991-05-14 | 1993-09-28 | Fluoroware, Inc. | Hinged tilt box with inclined portion |
-
1982
- 1982-03-15 JP JP57041283A patent/JPS58158030A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61208623A (ja) * | 1985-03-13 | 1986-09-17 | Toray Ind Inc | 垂直磁気記録媒体の製造方法 |
| JPS62185246A (ja) * | 1986-02-10 | 1987-08-13 | Matsushita Electric Ind Co Ltd | 磁気記録媒体の製造方法 |
| JP2009292612A (ja) * | 2008-06-06 | 2009-12-17 | Miyake Seisakusho:Kk | 粉粒体輸送装置及び粉粒体輸送方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0227732B2 (enrdf_load_stackoverflow) | 1990-06-19 |
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