JPS6256570B2 - - Google Patents
Info
- Publication number
- JPS6256570B2 JPS6256570B2 JP56056042A JP5604281A JPS6256570B2 JP S6256570 B2 JPS6256570 B2 JP S6256570B2 JP 56056042 A JP56056042 A JP 56056042A JP 5604281 A JP5604281 A JP 5604281A JP S6256570 B2 JPS6256570 B2 JP S6256570B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetic
- coercive force
- underlayer
- substrate temperature
- 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.)
- Expired
Links
- 239000010409 thin film Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 29
- 229910017052 cobalt Inorganic materials 0.000 description 9
- 239000010941 cobalt Substances 0.000 description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 9
- 239000010408 film Substances 0.000 description 9
- 230000008020 evaporation Effects 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 7
- 229920006254 polymer film Polymers 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- PDZVQXVLQRBWCR-UHFFFAOYSA-N bismane Chemical compound C1CC[BiH]CC1 PDZVQXVLQRBWCR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006698 induction Effects 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)
- Thin Magnetic Films (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56056042A JPS57169925A (en) | 1981-04-14 | 1981-04-14 | Magnetic recording medium |
| CA000400530A CA1188796A (en) | 1981-04-14 | 1982-04-06 | Magnetic recording medium |
| DE19823213352 DE3213352A1 (de) | 1981-04-14 | 1982-04-08 | Magnetisches aufzeichnungsmedium |
| GB8210807A GB2096647B (en) | 1981-04-14 | 1982-04-14 | Magnetic recording media |
| FR8206428A FR2503909B1 (fr) | 1981-04-14 | 1982-04-14 | Moyen d'enregistrement magnetique |
| NL8201567A NL8201567A (nl) | 1981-04-14 | 1982-04-14 | Magnetisch registreermedium. |
| US06/540,707 US4539265A (en) | 1981-04-14 | 1983-10-11 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56056042A JPS57169925A (en) | 1981-04-14 | 1981-04-14 | Magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57169925A JPS57169925A (en) | 1982-10-19 |
| JPS6256570B2 true JPS6256570B2 (enrdf_load_stackoverflow) | 1987-11-26 |
Family
ID=13016025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56056042A Granted JPS57169925A (en) | 1981-04-14 | 1981-04-14 | Magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57169925A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60170030A (ja) * | 1984-02-10 | 1985-09-03 | Sony Corp | 磁気記録媒体の製造方法 |
| EP0421120B1 (en) * | 1989-10-05 | 1996-10-30 | International Business Machines Corporation | Thin film magnetic storage medium and method for the manufacture thereof |
-
1981
- 1981-04-14 JP JP56056042A patent/JPS57169925A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57169925A (en) | 1982-10-19 |
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