CN1175400C - 带有预置籽晶层的非金属薄膜磁记录盘 - Google Patents
带有预置籽晶层的非金属薄膜磁记录盘 Download PDFInfo
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- CN1175400C CN1175400C CNB011032588A CN01103258A CN1175400C CN 1175400 C CN1175400 C CN 1175400C CN B011032588 A CNB011032588 A CN B011032588A CN 01103258 A CN01103258 A CN 01103258A CN 1175400 C CN1175400 C CN 1175400C
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- crystal layer
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 45
- 239000013078 crystal Substances 0.000 title claims description 136
- 229910052755 nonmetal Inorganic materials 0.000 title claims description 9
- 150000002843 nonmetals Chemical class 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000010409 thin film Substances 0.000 claims abstract description 23
- 229910017150 AlTi Inorganic materials 0.000 claims abstract 5
- 239000011651 chromium Substances 0.000 claims description 35
- 239000010408 film Substances 0.000 claims description 28
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims description 17
- 239000010952 cobalt-chrome Substances 0.000 claims description 17
- 230000008021 deposition Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 238000002441 X-ray diffraction Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 abstract description 19
- 229910000599 Cr alloy Inorganic materials 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 2
- YTPMCWYIRHLEGM-BQYQJAHWSA-N 1-[(e)-2-propylsulfonylethenyl]sulfonylpropane Chemical compound CCCS(=O)(=O)\C=C\S(=O)(=O)CCC YTPMCWYIRHLEGM-BQYQJAHWSA-N 0.000 abstract 3
- XJBVBGUCNBMKIH-UHFFFAOYSA-N alumane;ruthenium Chemical compound [AlH3].[Ru] XJBVBGUCNBMKIH-UHFFFAOYSA-N 0.000 abstract 1
- HBCZDZWFGVSUDJ-UHFFFAOYSA-N chromium tantalum Chemical compound [Cr].[Ta] HBCZDZWFGVSUDJ-UHFFFAOYSA-N 0.000 description 29
- 239000000463 material Substances 0.000 description 16
- 235000013339 cereals Nutrition 0.000 description 12
- 229910000943 NiAl Inorganic materials 0.000 description 10
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 10
- 238000000151 deposition Methods 0.000 description 10
- 239000012528 membrane Substances 0.000 description 10
- 238000004544 sputter deposition Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 229910000531 Co alloy Inorganic materials 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 229910018979 CoPt Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000002050 diffraction method Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000003870 refractory metal Substances 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 229910001149 41xx steel Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 238000005477 sputtering target Methods 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- 229910000521 B alloy Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910019222 CoCrPt Inorganic materials 0.000 description 1
- -1 CrNi Substances 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- 229910001362 Ta alloys Inorganic materials 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 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
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical group [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 235000020985 whole grains Nutrition 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
- G11B5/737—Physical structure of underlayer, e.g. texture
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/85—Coating a support with a magnetic layer by vapour deposition
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2508—Magnetic discs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/12743—Next to refractory [Group IVB, VB, or VIB] metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/1275—Next to Group VIII or IB metal-base component
- Y10T428/12757—Fe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Landscapes
- Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Abstract
Description
盘 | 结构 | Hc(Oe) | Mrt | S* | SoNR(B) |
1 | RuAl50/CrTi10/CoCr37/CoPt11Cr20B7 | 3040 | 0.375 | 0.66 | 27.6 |
2 | CrTa50/RuAl50/CrTi10/CoCr37/CoPt11Cr20B7 | 3660 | 0.420 | 0.80 | 27.7 |
3 | NiAl50/CrV20/CoCr37/CoPt10Cr20B6 | 3400 | 0.420 | 0.78 | 26.4 |
4 | AlTi50/RuAl50/CrTi10/CoCr37/CoPt11Cr20B7 | 3500 | 0.430 | 0.81 | 27.7 |
膜结构 | RuAl(200)(°FWHM) | Co(11 20)(°FWHM) |
RuAl50/CrTi10/CoCr/CoPtCrB | 17.6 | 12.8 |
CrTa50/RuAl50/CrTi10/CoCr/CoPtCrB | 5.8 | 5.2 |
AlTi50/RuAl50/CrTi10/CoCr/CoPtCrB | 8.7 | 6.8 |
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/500,710 | 2000-02-09 | ||
US09/500,710 US6586116B1 (en) | 2000-02-09 | 2000-02-09 | Nonmetallic thin film magnetic recording disk with pre-seed layer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1309386A CN1309386A (zh) | 2001-08-22 |
CN1175400C true CN1175400C (zh) | 2004-11-10 |
Family
ID=23990586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011032588A Expired - Fee Related CN1175400C (zh) | 2000-02-09 | 2001-02-08 | 带有预置籽晶层的非金属薄膜磁记录盘 |
Country Status (4)
Country | Link |
---|---|
US (4) | US6586116B1 (zh) |
KR (1) | KR100417276B1 (zh) |
CN (1) | CN1175400C (zh) |
SG (1) | SG95623A1 (zh) |
Families Citing this family (28)
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US20030134151A1 (en) * | 2001-09-14 | 2003-07-17 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
US7138196B2 (en) * | 2001-11-09 | 2006-11-21 | Maxtor Corporation | Layered thin-film media for perpendicular magnetic recording |
US6908689B1 (en) * | 2001-12-20 | 2005-06-21 | Seagate Technology Llc | Ruthenium-aluminum underlayer for magnetic recording media |
US20030134150A1 (en) * | 2002-01-16 | 2003-07-17 | Sooyoul Hong | Antiferromagnetically coupled (AFC) media with flash CR interlayer between top magnetic layer and S2 magnetic layer |
JP4497784B2 (ja) * | 2002-02-28 | 2010-07-07 | 富士電機デバイステクノロジー株式会社 | 磁気記録媒体 |
AU2002334408A1 (en) * | 2002-09-06 | 2004-04-08 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
CN1296899C (zh) * | 2003-01-27 | 2007-01-24 | 富士通株式会社 | 磁性记录介质和磁性存储设备 |
JP2004247010A (ja) * | 2003-02-17 | 2004-09-02 | Hoya Corp | 磁気ディスク |
JP2004326889A (ja) * | 2003-04-23 | 2004-11-18 | Hitachi Global Storage Technologies Inc | 磁気記録媒体 |
WO2004102539A1 (en) * | 2003-05-15 | 2004-11-25 | Fujitsu Limited | Magnetic recording medium and magnetic storage apparatus |
JP2004355716A (ja) * | 2003-05-29 | 2004-12-16 | Hitachi Global Storage Technologies Netherlands Bv | 磁気記録媒体 |
US6872478B2 (en) * | 2003-06-26 | 2005-03-29 | Hitachi Global Storage Technologies Netherlands, B.V. | Magnetic thin film media with a pre-seed layer of CrTiAl |
US7282738B2 (en) * | 2003-07-18 | 2007-10-16 | Corning Incorporated | Fabrication of crystalline materials over substrates |
US7071022B2 (en) * | 2003-07-18 | 2006-07-04 | Corning Incorporated | Silicon crystallization using self-assembled monolayers |
US6863993B1 (en) | 2003-09-30 | 2005-03-08 | Hitachi Global Storage Technologies Netherlands, B.V. | Thin film media with a dual seed layer of RuAI/NiAIB |
JP4222965B2 (ja) * | 2004-04-15 | 2009-02-12 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | 垂直磁気記録媒体及びその製造方法、磁気記録装置 |
JP2005353236A (ja) * | 2004-06-14 | 2005-12-22 | Fujitsu Ltd | 磁気記録媒体およびその製造方法、磁気記憶装置 |
US7300713B2 (en) * | 2004-10-29 | 2007-11-27 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic thin film media with an underlayer of CrMoZr, CrMoNb or CrMoMn |
US7651794B2 (en) * | 2005-04-28 | 2010-01-26 | Hitachi Global Storage Technologies Netherlands B.V. | Adhesion layer for thin film magnetic recording medium |
KR100733781B1 (ko) * | 2005-04-30 | 2007-07-02 | 고려대학교 산학협력단 | TixAl1-x(0<X<1)을 하지층 또는 상지층으로사용한 다층 구조를 지닌 소자 |
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 |
US8084855B2 (en) * | 2006-08-23 | 2011-12-27 | Rockwell Collins, Inc. | Integrated circuit tampering protection and reverse engineering prevention coatings and methods |
US7670694B2 (en) * | 2006-12-22 | 2010-03-02 | Hitachi Global Storage Technologies Netherlands B.V. | Media for recording devices |
US7892664B2 (en) * | 2007-11-28 | 2011-02-22 | Seagate Technology Llc | Magnetic recording media having a chemically ordered magnetic layer |
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 |
JP7283273B2 (ja) * | 2019-07-01 | 2023-05-30 | 株式会社レゾナック | 磁気記録媒体およびその製造方法ならびに磁気記録再生装置 |
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US6010795A (en) * | 1997-02-26 | 2000-01-04 | Seagate Technology, Inc. | Magnetic recording medium comprising a nickel aluminum or iron aluminum underlayer and chromium containing intermediate layer each having (200) dominant crystalographic orientation |
US5995472A (en) * | 1997-05-06 | 1999-11-30 | Canon Kabushiki Kaisha | Laser beam forming temperature distribution of two peaks on a magneto-optical recording medium |
JP2989169B2 (ja) * | 1997-08-08 | 1999-12-13 | 日立金属株式会社 | Ni−Al系金属間化合物ターゲットおよびその製造方法ならびに磁気記録媒体 |
JPH11219511A (ja) * | 1997-11-19 | 1999-08-10 | Mitsubishi Chemical Corp | 磁気記録媒体および磁気記録装置 |
US6143388A (en) * | 1997-11-24 | 2000-11-07 | International Business Machines Corporation | Thin film disk with onset layer |
US6150015A (en) * | 1997-12-04 | 2000-11-21 | Komag, Incorporated | Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same |
JPH11213371A (ja) * | 1998-01-29 | 1999-08-06 | Mitsubishi Chemical Corp | 磁気記録媒体 |
US6383667B1 (en) * | 1998-10-09 | 2002-05-07 | Hitachi, Ltd. | Magnetic recording medium |
US6183832B1 (en) * | 1998-10-14 | 2001-02-06 | International Business Machines Corporation | CoCrPtB alloys with increased boron content and method of producing same |
US6403241B1 (en) * | 1999-04-14 | 2002-06-11 | Seagate Technology, Inc. | CoCrPtB medium with a 1010 crystallographic orientation |
-
2000
- 2000-02-09 US US09/500,710 patent/US6586116B1/en not_active Expired - Fee Related
-
2001
- 2001-01-09 US US09/758,396 patent/US6599642B2/en not_active Expired - Fee Related
- 2001-01-09 US US09/758,379 patent/US6607842B2/en not_active Expired - Fee Related
- 2001-01-09 US US09/758,690 patent/US6596409B2/en not_active Expired - Fee Related
- 2001-01-30 SG SG200100448A patent/SG95623A1/en unknown
- 2001-02-02 KR KR10-2001-0005114A patent/KR100417276B1/ko not_active IP Right Cessation
- 2001-02-08 CN CNB011032588A patent/CN1175400C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20010078769A (ko) | 2001-08-21 |
SG95623A1 (en) | 2003-04-23 |
US20010018136A1 (en) | 2001-08-30 |
US20010024742A1 (en) | 2001-09-27 |
US6586116B1 (en) | 2003-07-01 |
US6596409B2 (en) | 2003-07-22 |
KR100417276B1 (ko) | 2004-02-05 |
US20010016272A1 (en) | 2001-08-23 |
US6607842B2 (en) | 2003-08-19 |
US6599642B2 (en) | 2003-07-29 |
CN1309386A (zh) | 2001-08-22 |
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