JPH0532809B2 - - Google Patents
Info
- Publication number
- JPH0532809B2 JPH0532809B2 JP6463085A JP6463085A JPH0532809B2 JP H0532809 B2 JPH0532809 B2 JP H0532809B2 JP 6463085 A JP6463085 A JP 6463085A JP 6463085 A JP6463085 A JP 6463085A JP H0532809 B2 JPH0532809 B2 JP H0532809B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetization
- crystal layer
- small
- thin film
- 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 - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 claims description 107
- 230000005415 magnetization Effects 0.000 claims description 99
- 239000010955 niobium Substances 0.000 claims description 95
- 229910052758 niobium Inorganic materials 0.000 claims description 37
- 229910052715 tantalum Inorganic materials 0.000 claims description 36
- 239000011651 chromium Substances 0.000 claims description 35
- 239000000696 magnetic material Substances 0.000 claims description 17
- 229910052804 chromium Inorganic materials 0.000 claims description 15
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 14
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 239000010410 layer Substances 0.000 description 152
- 239000013078 crystal Substances 0.000 description 90
- 239000010409 thin film Substances 0.000 description 67
- 239000010408 film Substances 0.000 description 42
- 238000004544 sputter deposition Methods 0.000 description 21
- 239000002356 single layer Substances 0.000 description 11
- 230000004907 flux Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- 239000004642 Polyimide Substances 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- 230000005330 Barkhausen effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000002355 dual-layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000599 Cr alloy Inorganic materials 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Thin Magnetic Films (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6463085A JPS61222023A (ja) | 1985-03-28 | 1985-03-28 | 垂直磁気記録媒体 |
| US06/843,757 US4798765A (en) | 1985-03-28 | 1986-03-25 | Perpendicular magnetic recording medium |
| DE19863610432 DE3610432A1 (de) | 1985-03-28 | 1986-03-27 | Quermagnetisierungsaufzeichnungsmedium |
| GB8607871A GB2175014B (en) | 1985-03-28 | 1986-04-01 | Perpendicular magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6463085A JPS61222023A (ja) | 1985-03-28 | 1985-03-28 | 垂直磁気記録媒体 |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15790985A Division JPS61224132A (ja) | 1985-03-28 | 1985-07-17 | 垂直磁気記録媒体 |
| JP15790885A Division JPS61224131A (ja) | 1985-03-28 | 1985-07-17 | 垂直磁気記録媒体 |
| JP60291563A Division JPH0642282B2 (ja) | 1985-12-24 | 1985-12-24 | 垂直磁気記録再生方法 |
| JP29156285A Division JPS61224135A (ja) | 1985-12-24 | 1985-12-24 | 垂直磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61222023A JPS61222023A (ja) | 1986-10-02 |
| JPH0532809B2 true JPH0532809B2 (enrdf_load_html_response) | 1993-05-18 |
Family
ID=13263773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6463085A Granted JPS61222023A (ja) | 1985-03-28 | 1985-03-28 | 垂直磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61222023A (enrdf_load_html_response) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2552546B2 (ja) * | 1989-06-09 | 1996-11-13 | 株式会社クボタ | 金属薄膜型磁気記録媒体 |
| JP3919047B2 (ja) | 1998-09-30 | 2007-05-23 | 日本ビクター株式会社 | 垂直磁気記録媒体 |
| KR101506760B1 (ko) * | 2011-08-31 | 2015-03-30 | 삼성전기주식회사 | 자성기판 및 자성기판 제조방법 |
-
1985
- 1985-03-28 JP JP6463085A patent/JPS61222023A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61222023A (ja) | 1986-10-02 |
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