JPH0358314A - 磁気記録体 - Google Patents
磁気記録体Info
- Publication number
- JPH0358314A JPH0358314A JP1190648A JP19064889A JPH0358314A JP H0358314 A JPH0358314 A JP H0358314A JP 1190648 A JP1190648 A JP 1190648A JP 19064889 A JP19064889 A JP 19064889A JP H0358314 A JPH0358314 A JP H0358314A
- Authority
- JP
- Japan
- Prior art keywords
- film
- coercive force
- magnetic recording
- alloy
- grains
- 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
- 229910000531 Co alloy Inorganic materials 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 abstract description 18
- 239000013078 crystal Substances 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 3
- 239000006104 solid solution Substances 0.000 abstract description 2
- 229910000599 Cr alloy Inorganic materials 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 238000004220 aggregation Methods 0.000 abstract 1
- 239000000654 additive Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 230000000996 additive effect Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910000979 O alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009751 slip forming 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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1190648A JPH0358314A (ja) | 1989-07-25 | 1989-07-25 | 磁気記録体 |
| US07/414,235 US5069983A (en) | 1988-12-06 | 1989-09-29 | Magnetic recording member |
| KR1019890015060A KR920008436B1 (ko) | 1989-07-25 | 1989-10-19 | 자기기록체 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1190648A JPH0358314A (ja) | 1989-07-25 | 1989-07-25 | 磁気記録体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0358314A true JPH0358314A (ja) | 1991-03-13 |
| JPH0554170B2 JPH0554170B2 (enrdf_load_stackoverflow) | 1993-08-11 |
Family
ID=16261579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1190648A Granted JPH0358314A (ja) | 1988-12-06 | 1989-07-25 | 磁気記録体 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0358314A (enrdf_load_stackoverflow) |
| KR (1) | KR920008436B1 (enrdf_load_stackoverflow) |
-
1989
- 1989-07-25 JP JP1190648A patent/JPH0358314A/ja active Granted
- 1989-10-19 KR KR1019890015060A patent/KR920008436B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0554170B2 (enrdf_load_stackoverflow) | 1993-08-11 |
| KR910003586A (ko) | 1991-02-27 |
| KR920008436B1 (ko) | 1992-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yogi et al. | Dependence of magnetics, microstructures and recording properties on underlayer thickness in CoNiCr/Cr media | |
| CN1070278A (zh) | 磁性记录介质及其制造方法 | |
| US5147734A (en) | Magnetic recording media manufactured by a process in which a negative bias voltage is applied to the substrate during sputtering | |
| Doerner et al. | Composition effects in high density CoPtCr media | |
| US5069983A (en) | Magnetic recording member | |
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