JPS5977620A - 垂直磁気記録媒体 - Google Patents
垂直磁気記録媒体Info
- Publication number
- JPS5977620A JPS5977620A JP57186951A JP18695182A JPS5977620A JP S5977620 A JPS5977620 A JP S5977620A JP 57186951 A JP57186951 A JP 57186951A JP 18695182 A JP18695182 A JP 18695182A JP S5977620 A JPS5977620 A JP S5977620A
- Authority
- JP
- Japan
- Prior art keywords
- film
- magnetic
- cobalt
- perpendicular magnetic
- magnetic recording
- 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
- 230000005415 magnetization Effects 0.000 claims description 16
- 229910000531 Co alloy Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 12
- 239000010410 layer Substances 0.000 description 10
- 230000035699 permeability Effects 0.000 description 5
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 4
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 4
- JUTRBLIIVLVGES-UHFFFAOYSA-N cobalt tantalum Chemical compound [Co].[Ta] JUTRBLIIVLVGES-UHFFFAOYSA-N 0.000 description 4
- 239000010952 cobalt-chrome Substances 0.000 description 4
- 239000011651 chromium Substances 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- WHDPTDWLEKQKKX-UHFFFAOYSA-N cobalt molybdenum Chemical compound [Co].[Co].[Mo] WHDPTDWLEKQKKX-UHFFFAOYSA-N 0.000 description 1
- BDMHSCBWXVUPAH-UHFFFAOYSA-N cobalt niobium Chemical compound [Co].[Nb] BDMHSCBWXVUPAH-UHFFFAOYSA-N 0.000 description 1
- NNSIWZRTNZEWMS-UHFFFAOYSA-N cobalt titanium Chemical compound [Ti].[Co] NNSIWZRTNZEWMS-UHFFFAOYSA-N 0.000 description 1
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 description 1
- LLESOAREQXNYOK-UHFFFAOYSA-N cobalt vanadium Chemical compound [V].[Co] LLESOAREQXNYOK-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910000889 permalloy 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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57186951A JPS5977620A (ja) | 1982-10-25 | 1982-10-25 | 垂直磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57186951A JPS5977620A (ja) | 1982-10-25 | 1982-10-25 | 垂直磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5977620A true JPS5977620A (ja) | 1984-05-04 |
| JPH0430083B2 JPH0430083B2 (enrdf_load_stackoverflow) | 1992-05-20 |
Family
ID=16197574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57186951A Granted JPS5977620A (ja) | 1982-10-25 | 1982-10-25 | 垂直磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5977620A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4632883A (en) * | 1985-04-22 | 1986-12-30 | International Business Machines Corporation | Vertical recording medium with improved perpendicular magnetic anisotropy due to influence of beta-tantalum underlayer |
| US4657824A (en) * | 1985-10-28 | 1987-04-14 | International Business Machines Corporation | Vertical magnetic recording medium with an intermetallic compound nucleating layer |
| US4722869A (en) * | 1985-07-03 | 1988-02-02 | Hitachi, Ltd. | Magnetic recording medium |
| JPS63300428A (ja) * | 1987-05-29 | 1988-12-07 | Matsushita Electric Ind Co Ltd | 垂直磁気記録媒体の製造方法 |
-
1982
- 1982-10-25 JP JP57186951A patent/JPS5977620A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4632883A (en) * | 1985-04-22 | 1986-12-30 | International Business Machines Corporation | Vertical recording medium with improved perpendicular magnetic anisotropy due to influence of beta-tantalum underlayer |
| US4722869A (en) * | 1985-07-03 | 1988-02-02 | Hitachi, Ltd. | Magnetic recording medium |
| US4657824A (en) * | 1985-10-28 | 1987-04-14 | International Business Machines Corporation | Vertical magnetic recording medium with an intermetallic compound nucleating layer |
| JPS63300428A (ja) * | 1987-05-29 | 1988-12-07 | Matsushita Electric Ind Co Ltd | 垂直磁気記録媒体の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0430083B2 (enrdf_load_stackoverflow) | 1992-05-20 |
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