JPH0252845B2 - - Google Patents
Info
- Publication number
- JPH0252845B2 JPH0252845B2 JP58114995A JP11499583A JPH0252845B2 JP H0252845 B2 JPH0252845 B2 JP H0252845B2 JP 58114995 A JP58114995 A JP 58114995A JP 11499583 A JP11499583 A JP 11499583A JP H0252845 B2 JPH0252845 B2 JP H0252845B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- rim
- recording
- magnetic recording
- substrate
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 53
- 239000000758 substrate Substances 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 4
- 229910000599 Cr alloy Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000004804 winding 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
Landscapes
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8202596 | 1982-06-28 | ||
| NL8202596A NL8202596A (nl) | 1982-06-28 | 1982-06-28 | Magnetisch registratiemedium. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5911605A JPS5911605A (ja) | 1984-01-21 |
| JPH0252845B2 true JPH0252845B2 (enrdf_load_stackoverflow) | 1990-11-14 |
Family
ID=19839941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58114995A Granted JPS5911605A (ja) | 1982-06-28 | 1983-06-25 | 磁気記録素子 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5911605A (enrdf_load_stackoverflow) |
| AU (1) | AU552637B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1218568A (enrdf_load_stackoverflow) |
| DE (1) | DE3321944A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2529366B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2125069B (enrdf_load_stackoverflow) |
| NL (1) | NL8202596A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6150211A (ja) * | 1984-08-20 | 1986-03-12 | Res Dev Corp Of Japan | 垂直磁気記録媒体およびその製法 |
| US4678721A (en) * | 1986-04-07 | 1987-07-07 | U.S. Philips Corporation | Magnetic recording medium |
| US4749628A (en) * | 1986-04-29 | 1988-06-07 | International Business Machines Corporation | Multilayered vertical magnetic recording medium |
| JPH0758540B2 (ja) * | 1986-06-27 | 1995-06-21 | ホ−ヤ株式会社 | 磁気記録媒体 |
| US4789598A (en) * | 1987-01-20 | 1988-12-06 | International Business Machines Corporation | Thin film medium for horizontal magnetic recording having an improved cobalt-based alloy magnetic layer |
| JP2785276B2 (ja) * | 1988-07-27 | 1998-08-13 | 三菱化学株式会社 | 磁気記録媒体 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4429016A (en) * | 1980-03-07 | 1984-01-31 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium with vacuum deposited magnetic layer |
-
1982
- 1982-06-28 NL NL8202596A patent/NL8202596A/nl active Search and Examination
-
1983
- 1983-06-18 DE DE19833321944 patent/DE3321944A1/de not_active Withdrawn
- 1983-06-23 CA CA000431050A patent/CA1218568A/en not_active Expired
- 1983-06-24 GB GB08317165A patent/GB2125069B/en not_active Expired
- 1983-06-24 FR FR8310487A patent/FR2529366B1/fr not_active Expired
- 1983-06-25 JP JP58114995A patent/JPS5911605A/ja active Granted
- 1983-06-27 AU AU16275/83A patent/AU552637B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB2125069B (en) | 1985-10-30 |
| FR2529366B1 (fr) | 1986-11-14 |
| NL8202596A (nl) | 1984-01-16 |
| CA1218568A (en) | 1987-03-03 |
| FR2529366A1 (fr) | 1983-12-30 |
| DE3321944A1 (de) | 1983-12-29 |
| AU1627583A (en) | 1984-01-05 |
| AU552637B2 (en) | 1986-06-12 |
| GB8317165D0 (en) | 1983-07-27 |
| GB2125069A (en) | 1984-02-29 |
| JPS5911605A (ja) | 1984-01-21 |
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