JPS6029931A - 磁気記録用媒体 - Google Patents
磁気記録用媒体Info
- Publication number
- JPS6029931A JPS6029931A JP58138163A JP13816383A JPS6029931A JP S6029931 A JPS6029931 A JP S6029931A JP 58138163 A JP58138163 A JP 58138163A JP 13816383 A JP13816383 A JP 13816383A JP S6029931 A JPS6029931 A JP S6029931A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetic material
- magnetic recording
- aluminum
- soft 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 32
- 239000010410 layer Substances 0.000 claims abstract description 60
- 239000000696 magnetic material Substances 0.000 claims abstract description 36
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 8
- 239000010419 fine particle Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 10
- 239000011148 porous material Substances 0.000 abstract description 8
- 229910052759 nickel Inorganic materials 0.000 abstract description 6
- 238000007747 plating Methods 0.000 abstract description 5
- 238000004544 sputter deposition Methods 0.000 abstract description 5
- 229910000889 permalloy Inorganic materials 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000007740 vapor deposition Methods 0.000 abstract description 4
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 2
- 229910000599 Cr alloy Inorganic materials 0.000 abstract description 2
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 239000000788 chromium alloy Substances 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000007772 electroless plating Methods 0.000 abstract 1
- 238000009713 electroplating Methods 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000010407 anodic oxide Substances 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000007743 anodising Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 241000254032 Acrididae Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58138163A JPS6029931A (ja) | 1983-07-28 | 1983-07-28 | 磁気記録用媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58138163A JPS6029931A (ja) | 1983-07-28 | 1983-07-28 | 磁気記録用媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6029931A true JPS6029931A (ja) | 1985-02-15 |
| JPS6252362B2 JPS6252362B2 (enrdf_load_stackoverflow) | 1987-11-05 |
Family
ID=15215494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58138163A Granted JPS6029931A (ja) | 1983-07-28 | 1983-07-28 | 磁気記録用媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6029931A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02114245U (enrdf_load_stackoverflow) * | 1989-02-28 | 1990-09-12 | ||
| JPH0317455U (enrdf_load_stackoverflow) * | 1989-06-30 | 1991-02-21 |
-
1983
- 1983-07-28 JP JP58138163A patent/JPS6029931A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6252362B2 (enrdf_load_stackoverflow) | 1987-11-05 |
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