JP2005243220A5 - - Google Patents
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- Publication number
- JP2005243220A5 JP2005243220A5 JP2005017820A JP2005017820A JP2005243220A5 JP 2005243220 A5 JP2005243220 A5 JP 2005243220A5 JP 2005017820 A JP2005017820 A JP 2005017820A JP 2005017820 A JP2005017820 A JP 2005017820A JP 2005243220 A5 JP2005243220 A5 JP 2005243220A5
- Authority
- JP
- Japan
- Prior art keywords
- ferromagnetic layer
- layer
- lower ferromagnetic
- mrt
- disk according
- 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.)
- Withdrawn
Links
- 230000005294 ferromagnetic effect Effects 0.000 claims 24
- 230000005415 magnetization Effects 0.000 claims 11
- 230000005290 antiferromagnetic effect Effects 0.000 claims 6
- 230000008878 coupling Effects 0.000 claims 6
- 238000010168 coupling process Methods 0.000 claims 6
- 238000005859 coupling reaction Methods 0.000 claims 6
- 239000011651 chromium Substances 0.000 claims 4
- 230000005291 magnetic effect Effects 0.000 claims 4
- 239000000758 substrate Substances 0.000 claims 4
- 239000000956 alloy Substances 0.000 claims 3
- 229910045601 alloy Inorganic materials 0.000 claims 3
- 229910052804 chromium Inorganic materials 0.000 claims 3
- 239000010949 copper Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000010948 rhodium Substances 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 229910052741 iridium Inorganic materials 0.000 claims 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/788,687 US7125616B2 (en) | 2004-02-26 | 2004-02-26 | Magnetic recording disk with antiferromagnetically-coupled magnetic layer having multiple lower layers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005243220A JP2005243220A (ja) | 2005-09-08 |
| JP2005243220A5 true JP2005243220A5 (enExample) | 2008-02-28 |
Family
ID=34750535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005017820A Withdrawn JP2005243220A (ja) | 2004-02-26 | 2005-01-26 | 多層下部層を有する反強磁性結合磁性層を備えた磁気記録ディスク |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7125616B2 (enExample) |
| EP (1) | EP1569207B1 (enExample) |
| JP (1) | JP2005243220A (enExample) |
| KR (1) | KR20060043112A (enExample) |
| CN (1) | CN100338656C (enExample) |
| DE (1) | DE602004015563D1 (enExample) |
| SG (1) | SG114744A1 (enExample) |
| TW (1) | TW200531037A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7081309B2 (en) * | 2004-03-23 | 2006-07-25 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording disk with antiferromagnetically-coupled magnetic layer having multiple ferromagnetically-coupled lower layers |
| US20060210834A1 (en) * | 2005-03-18 | 2006-09-21 | Do Hoa V | Laminated magnetic thin films with sublayers for magnetic recording |
| JP2007004907A (ja) * | 2005-06-24 | 2007-01-11 | Hitachi Global Storage Technologies Netherlands Bv | 磁気記録媒体 |
| JP2007257679A (ja) * | 2006-03-20 | 2007-10-04 | Fujitsu Ltd | 磁気記録媒体、その製造方法、および磁気記憶装置 |
| JP2007317304A (ja) * | 2006-05-25 | 2007-12-06 | Fujitsu Ltd | 磁気記録媒体および磁気記憶装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1302931A1 (en) | 1999-06-08 | 2003-04-16 | Fujitsu Limited | Magnetic recording medium |
| US6602612B2 (en) * | 1999-06-08 | 2003-08-05 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
| US6280813B1 (en) | 1999-10-08 | 2001-08-28 | International Business Machines Corporation | Magnetic recording media with antiferromagnetically coupled ferromagnetic films as the recording layer |
| US6773834B2 (en) | 1999-10-08 | 2004-08-10 | Hitachi Global Storage Technologies Netherlands B.V. | Laminated magnetic recording media with antiferromagnetically coupled layer as one of the individual magnetic layers in the laminate |
| US6835475B2 (en) * | 2001-07-26 | 2004-12-28 | Hitachi Global Storage Technologies Netherlands B.V. | Dual-layer perpendicular magnetic recording media with laminated underlayer formed with antiferromagnetically coupled films |
| SG96659A1 (en) | 2001-11-08 | 2003-06-16 | Inst Data Storage | Laminated antiferromagnetically coupled media for data storage |
| JP2003263714A (ja) * | 2002-03-06 | 2003-09-19 | Fujitsu Ltd | 磁気記録媒体及び磁気記憶装置 |
| US6893748B2 (en) * | 2003-05-20 | 2005-05-17 | Komag, Inc. | Soft magnetic film for perpendicular recording disk |
-
2004
- 2004-02-26 US US10/788,687 patent/US7125616B2/en not_active Expired - Fee Related
- 2004-10-12 DE DE602004015563T patent/DE602004015563D1/de not_active Expired - Fee Related
- 2004-10-12 EP EP04256293A patent/EP1569207B1/en not_active Expired - Lifetime
- 2004-12-13 TW TW093138646A patent/TW200531037A/zh unknown
-
2005
- 2005-01-26 JP JP2005017820A patent/JP2005243220A/ja not_active Withdrawn
- 2005-02-01 CN CNB2005100064428A patent/CN100338656C/zh not_active Expired - Fee Related
- 2005-02-22 SG SG200501003A patent/SG114744A1/en unknown
- 2005-02-23 KR KR1020050014836A patent/KR20060043112A/ko not_active Withdrawn
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