JPS5957412A - 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
- JPS5957412A JPS5957412A JP16781082A JP16781082A JPS5957412A JP S5957412 A JPS5957412 A JP S5957412A JP 16781082 A JP16781082 A JP 16781082A JP 16781082 A JP16781082 A JP 16781082A JP S5957412 A JPS5957412 A JP S5957412A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic field
- thin film
- iron oxide
- fe3o4
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000010409 thin film Substances 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 12
- 239000010941 cobalt Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 5
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract 12
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- -1 and γ-p'e2o Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000005347 demagnetization Effects 0.000 abstract description 11
- 238000004544 sputter deposition Methods 0.000 abstract description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 229910052786 argon Inorganic materials 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 3
- 239000000470 constituent Substances 0.000 abstract 3
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 1
- 239000010408 film Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 229910052725 zinc 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/851—Coating a support with a magnetic layer by sputtering
Landscapes
- Compounds Of Iron (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16781082A JPS5957412A (ja) | 1982-09-27 | 1982-09-27 | 磁気記録媒体の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16781082A JPS5957412A (ja) | 1982-09-27 | 1982-09-27 | 磁気記録媒体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5957412A true JPS5957412A (ja) | 1984-04-03 |
| JPH0365649B2 JPH0365649B2 (enrdf_load_stackoverflow) | 1991-10-14 |
Family
ID=15856519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16781082A Granted JPS5957412A (ja) | 1982-09-27 | 1982-09-27 | 磁気記録媒体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5957412A (enrdf_load_stackoverflow) |
-
1982
- 1982-09-27 JP JP16781082A patent/JPS5957412A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0365649B2 (enrdf_load_stackoverflow) | 1991-10-14 |
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