CN1310215C - 磁记录介质和磁存储装置 - Google Patents
磁记录介质和磁存储装置 Download PDFInfo
- Publication number
- CN1310215C CN1310215C CNB038220822A CN03822082A CN1310215C CN 1310215 C CN1310215 C CN 1310215C CN B038220822 A CNB038220822 A CN B038220822A CN 03822082 A CN03822082 A CN 03822082A CN 1310215 C CN1310215 C CN 1310215C
- Authority
- CN
- China
- Prior art keywords
- magnetic
- magnetic recording
- seed layer
- layer
- recording media
- 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 - Fee Related
Links
Images
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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
- G11B5/7379—Seed layer, e.g. at least one non-magnetic layer is specifically adapted as a seed or seeding layer
-
- 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
-
- 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
- G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/000285 WO2004064047A1 (en) | 2003-01-15 | 2003-01-15 | Magnetic recording medium and magnetic storage apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1682282A CN1682282A (zh) | 2005-10-12 |
| CN1310215C true CN1310215C (zh) | 2007-04-11 |
Family
ID=32697379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038220822A Expired - Fee Related CN1310215C (zh) | 2003-01-15 | 2003-01-15 | 磁记录介质和磁存储装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7354665B2 (zh) |
| JP (1) | JP2006502522A (zh) |
| CN (1) | CN1310215C (zh) |
| AU (1) | AU2003201763A1 (zh) |
| WO (1) | WO2004064047A1 (zh) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004102539A1 (en) * | 2003-05-15 | 2004-11-25 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
| US7427446B2 (en) * | 2004-02-02 | 2008-09-23 | Fujitsu Limited | Magnetic recording medium with antiparallel magnetic layers and CrN based underlayer, magnetic storage apparatus and method of producing magnetic recording medium |
| US20070099032A1 (en) * | 2005-11-02 | 2007-05-03 | Heraeus, Inc., A Corporation Of The State Of Arizona | Deposition of enhanced seed layer using tantalum alloy based sputter target |
| US20070190364A1 (en) * | 2006-02-14 | 2007-08-16 | Heraeus, Inc. | Ruthenium alloy magnetic media and sputter targets |
| KR101746615B1 (ko) * | 2010-07-22 | 2017-06-14 | 삼성전자 주식회사 | 자기 메모리 소자 및 이를 포함하는 메모리 카드 및 시스템 |
| US8941950B2 (en) * | 2012-05-23 | 2015-01-27 | WD Media, LLC | Underlayers for heat assisted magnetic recording (HAMR) media |
| US9177585B1 (en) | 2013-10-23 | 2015-11-03 | WD Media, LLC | Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording |
| JP6986729B2 (ja) * | 2017-03-03 | 2021-12-22 | 国立研究開発法人物質・材料研究機構 | 単結晶磁気抵抗素子、及びこれを用いたデバイス |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5700593A (en) * | 1993-06-23 | 1997-12-23 | Kubota Corporation | Metal thin film magnetic recording medium and manufacturing method thereof |
| US6156404A (en) * | 1996-10-18 | 2000-12-05 | Komag, Inc. | Method of making high performance, low noise isotropic magnetic media including a chromium underlayer |
| US20010033949A1 (en) * | 1999-11-12 | 2001-10-25 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5536585A (en) | 1993-03-10 | 1996-07-16 | Hitachi, Ltd. | Magnetic recording medium and fabrication method therefor |
| US5693426A (en) | 1994-09-29 | 1997-12-02 | Carnegie Mellon University | Magnetic recording medium with B2 structured underlayer and a cobalt-based magnetic layer |
| US5650237A (en) * | 1994-11-21 | 1997-07-22 | Kao Corporation | Magnetic recording medium having a metallic magnetic layer and an aluminum alloy underlayer |
| US5866227A (en) | 1996-08-20 | 1999-02-02 | Seagate Technology, Inc. | Magnetic recording medium with partially oxidized seed layer |
| JPH117622A (ja) * | 1997-04-25 | 1999-01-12 | Hitachi Ltd | 磁気記録媒体用基板、磁気記録媒体及び磁気記録媒体の製造方法 |
| US6139981A (en) | 1997-10-23 | 2000-10-31 | Seagate Technology, Inc. | Magnetic thin film medium with adhesion enhancement layer |
| JP2001143250A (ja) | 1999-11-12 | 2001-05-25 | Fujitsu Ltd | 磁気記録媒体及び磁気記憶装置 |
-
2003
- 2003-01-15 CN CNB038220822A patent/CN1310215C/zh not_active Expired - Fee Related
- 2003-01-15 WO PCT/JP2003/000285 patent/WO2004064047A1/en not_active Ceased
- 2003-01-15 AU AU2003201763A patent/AU2003201763A1/en not_active Abandoned
- 2003-01-15 JP JP2004566270A patent/JP2006502522A/ja active Pending
-
2005
- 2005-02-23 US US11/063,937 patent/US7354665B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5700593A (en) * | 1993-06-23 | 1997-12-23 | Kubota Corporation | Metal thin film magnetic recording medium and manufacturing method thereof |
| US6156404A (en) * | 1996-10-18 | 2000-12-05 | Komag, Inc. | Method of making high performance, low noise isotropic magnetic media including a chromium underlayer |
| US20010033949A1 (en) * | 1999-11-12 | 2001-10-25 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006502522A (ja) | 2006-01-19 |
| US7354665B2 (en) | 2008-04-08 |
| AU2003201763A1 (en) | 2004-08-10 |
| CN1682282A (zh) | 2005-10-12 |
| WO2004064047A1 (en) | 2004-07-29 |
| US20050142390A1 (en) | 2005-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHOWA DENKO K. K. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20100323 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: KANAGAWA, JAPAN COUNTY TO: TOKYO, JAPAN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100323 Address after: Tokyo, Japan Patentee after: Showa Denko K. K. Address before: Kanagawa, Japan Patentee before: Fujitsu Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20100222 |