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 recording
- seed layer
- recording media
- crystal seed
- magnetosphere
- 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
- 239000013078 crystal Substances 0.000 claims abstract description 115
- 239000000758 substrate Substances 0.000 claims abstract description 58
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 43
- 239000000956 alloy Substances 0.000 claims abstract description 43
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims abstract description 15
- 239000010952 cobalt-chrome Substances 0.000 claims abstract description 15
- 239000010408 film Substances 0.000 claims description 10
- 239000010409 thin film Substances 0.000 claims description 9
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 7
- 230000002194 synthesizing effect Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 118
- 239000011521 glass Substances 0.000 description 57
- 229910001149 41xx steel Inorganic materials 0.000 description 24
- 239000000463 material Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 13
- 239000011229 interlayer Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 10
- 238000005546 reactive sputtering Methods 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910000943 NiAl Inorganic materials 0.000 description 8
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 8
- 230000005415 magnetization Effects 0.000 description 8
- 229910000599 Cr alloy Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 230000033458 reproduction Effects 0.000 description 6
- 229910052720 vanadium Inorganic materials 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 229910000531 Co alloy Inorganic materials 0.000 description 3
- 229910015372 FeAl Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910019222 CoCrPt Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 229910008599 TiW Inorganic materials 0.000 description 1
- 229910000756 V alloy Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000001995 intermetallic alloy Substances 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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 |
GB2295159B (en) * | 1994-11-21 | 1997-04-02 | Kao Corp | Magnetic recording medium |
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 active Application Filing
- 2003-01-15 JP JP2004566270A patent/JP2006502522A/ja active Pending
- 2003-01-15 AU AU2003201763A patent/AU2003201763A1/en not_active Abandoned
-
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 |
---|---|
AU2003201763A1 (en) | 2004-08-10 |
US20050142390A1 (en) | 2005-06-30 |
US7354665B2 (en) | 2008-04-08 |
WO2004064047A1 (en) | 2004-07-29 |
JP2006502522A (ja) | 2006-01-19 |
CN1682282A (zh) | 2005-10-12 |
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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 |