CN1178206C - 垂直磁记录介质、磁记录装置 - Google Patents
垂直磁记录介质、磁记录装置 Download PDFInfo
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- CN1178206C CN1178206C CNB001370294A CN00137029A CN1178206C CN 1178206 C CN1178206 C CN 1178206C CN B001370294 A CNB001370294 A CN B001370294A CN 00137029 A CN00137029 A CN 00137029A CN 1178206 C CN1178206 C CN 1178206C
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 328
- 230000005415 magnetization Effects 0.000 claims abstract description 82
- 229910052726 zirconium Inorganic materials 0.000 claims description 42
- 239000000758 substrate Substances 0.000 claims description 36
- 229910052799 carbon Inorganic materials 0.000 claims description 29
- 229910045601 alloy Inorganic materials 0.000 claims description 20
- 239000000956 alloy Substances 0.000 claims description 20
- 229910052715 tantalum Inorganic materials 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 229910052697 platinum Inorganic materials 0.000 claims description 17
- 229910052735 hafnium Inorganic materials 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 230000005294 ferromagnetic effect Effects 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910000531 Co alloy Inorganic materials 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 229910020018 Nb Zr Inorganic materials 0.000 claims description 4
- 229910001260 Pt alloy Inorganic materials 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910020707 Co—Pt Inorganic materials 0.000 claims description 2
- 229910020513 Co—Ta—Hf Inorganic materials 0.000 claims description 2
- 229910002796 Si–Al Inorganic materials 0.000 claims description 2
- 229910008423 Si—B Inorganic materials 0.000 claims description 2
- 230000005290 antiferromagnetic effect Effects 0.000 claims description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 229910001252 Pd alloy Inorganic materials 0.000 claims 1
- 229910052763 palladium Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000002355 dual-layer Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 286
- 239000000523 sample Substances 0.000 description 26
- 230000005389 magnetism Effects 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 230000005381 magnetic domain Effects 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 7
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
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- 238000007669 thermal treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
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- 238000009987 spinning Methods 0.000 description 4
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- 229910052709 silver Inorganic materials 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910002514 Co–Co Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910020641 Co Zr Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 229910020520 Co—Zr Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- 229910001029 Hf alloy Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 229910003286 Ni-Mn Inorganic materials 0.000 description 1
- 229910021076 Pd—Pd Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910001035 Soft ferrite Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc 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
- G11B5/64—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
-
- 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
- G11B5/667—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers including a soft magnetic 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
- G11B5/66—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
- G11B5/678—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 having three or more magnetic layers
-
- 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
- Y10T428/26—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)
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
Description
样品 | 写入—读出性能 | |||
No. Fe-50at%Mn 基片侧的软磁 垂直磁化的膜侧的软膜(50nm) 膜 磁膜(厚度) | 尖峰噪声 | S/N(相对值) | 分辨率D50(kFCI) | 磁化强度(相对值) |
1 存在 Co-5at%Nb- Fe-8at%Si-10at%B5at%Zr (30nm)2层(50nm×2) | ◎ | 1.31 | 295 | 1.5 |
2 存在 同上 Fe-10at%B(30nm) | ◎ | 1.30 | 290 | 1.3 |
3 存在 同上 Fe-8at%B-2at%C-4at%Si(30nm) | ◎ | 1.33 | 310 | 1.4 |
4 存在 同上 Fe-5at%Ta-3at%C(30nm) | ◎ | 1.29 | 285 | 1.5 |
5 存在 同上 Fe-9at%Si-5at%Al-1at%Ni(30nm) | ◎ | 1.33 | 325 | 1.5 |
6 存在 同上 Co-5at%Fe-4at%C(30nm) | ◎ | 1.31 | 298 | 1.3 |
7 存在 同上 Co-6at%Fe-4at%B-10at%Si(30nm) | ◎ | 1.34 | 314 | 1.4 |
对照样品 Ni-20at%Fe1 不存在 单层膜 (300nm) | × | 1.0 | 240 | 1.0 |
对照样品 Ni-20at%Fe2 存在 单层膜 (300nm) | △ | 1.15 | 245 | 1.1 |
样品 | 构成介质的磁性膜 | 写入—读出性能 | |||||
软磁膜 | 垂直磁性膜 | 分辨率D50(kFCI) | S/N(相对值) | 尖峰噪声 | |||
1 | Co-6at%Nb-3at%Zr(150nm) | Fe-4at%Si-3at%Al(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 315 | 1.43 | ○ |
2 | Co-6at%Nb-3at%Zr(150nm) | Fe-4at%Si-3at%Al(40nm) | Co-50at%Pt(20nm) | - | 275 | 1.21 | ○ |
3 | Co-6at%Nb-3at%Zr(150nm) | Fe-4at%Si-3at%Al(40nm) | Fe-50at%Pt(20nm) | - | 286 | 1.20 | ○ |
4 | Co-6at%Nb-3at%Zr(150nm) | Fe-4at%Si-3at%Al(40nm) | {(Co:2nm)/(Pt:1nm)}10 | - | 284 | 1.22 | ○ |
5 | Co-6at%Nb-3at%Zr(150nm) | Fe-4at%Si-3at%Al(40nm) | {(Co-16at%Cr-4at%Ta:2nm)/(Pt:1nm)}10 | - | 298 | 1.26 | ○ |
6 | Co-6at%Nb-3at%Zr(150nm) | Fe-4at%Si-3at%Al(40nm) | {(Co-20at%Cr-6at%B:2nm)/(Pd:1nm)}10 | - | 294 | 1.30 | ○ |
7 | Co-6at%Nb-3at%Zr(150nm) | Fe-4at%Si-3at%Al(40nm) | Tb-12at%Fe-15at%Co(:25nm) | - | 283 | 1.29 | ○ |
8 | Co-6at%Nb-3at%Zr(150nm) | Co-5at%Nb-2at%Zr(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 310 | 1.41 | ○ |
9 | Co-6at%Nb-3at%Zr(150nm) | Co-4.5at%Ta-3at%Zr(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 312 | 1.46 | ○ |
10 | Co-6at%Nb-3at%Zr(150nm) | Co-4at%Mo-3at%Zr(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 305 | 1.44 | ○ |
11 | Co-6at%Nb-3at%Zr(150nm) | Co-4at%W-3at%Zr(40nm) | Co-21at%Cr-12a%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 302 | 1.35 | ○ |
12 | Co-6at%Nb-3at%Zr(150nm) | Co-4at%Nb-3at%Hf(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 311 | 1.31 | ○ |
13 | Co-6at%Nb-3at%Zr(150nm) | Co-3.5at%Ta-2at%Hf(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 298 | 1.29 | ○ |
14 | Co-6at%Nb-3at%Zr(150nm) | Co-3at%Mo-3at%Hf(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 316 | 1.30 | ○ |
15 | Co-6at%Nb-3at%Zr(150nm) | Co-3.2at%W-3at%Hf(40nm) | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 321 | 1.33 | ○ |
16(比较) | Co-6at%Nb-3at%Zr(200nm) | - | Co-21at%Cr-12at%Pt-2at%Ta(20nm) | Co-17at%Cr-16at%Pt(20nm) | 265 | 1.0(基值) | × |
样品 | 记录—再现性能 | ||
序号 非磁性膜材料 | 尖峰噪声 | S/N(相对值) | |
1 | Si3N4 | ◎ | 1.32 |
2 | B | ◎ | 1.31 |
3 | C | ◎ | 1.34 |
4 | Mg | ◎ | 1.29 |
5 | Al | ◎ | 1.35 |
6 | Si | ◎ | 1.36 |
7 | Ti | ◎ | 1.30 |
8 | V | ◎ | 1.28 |
9 | Cr | ◎ | 1.29 |
10 | Cu | ◎ | 1.30 |
11 | Zr | ◎ | 1.32 |
12 | Nb | ◎ | 1.34 |
13 | Mo | ◎ | 1.33 |
14 | Ru | ◎ | 1.38 |
15 | Hf | ◎ | 1.36 |
16 | Ta | ◎ | 1.32 |
17 | W | ◎ | 1.29 |
样品 | 记录—再现性能 | ||
序号 | 非磁性膜材料 | 尖峰噪声 | S/N(相对值) |
18 | Au | ◎ | 1.31 |
19 | Al-10at%Mg | ◎ | 1.36 |
20 | Si-2at%Ti | ◎ | 1.36 |
21 | TI-15at%V | ◎ | 1.33 |
22 | Cu-5at%Ag | ◎ | 1.35 |
23 | Au-50at%Ag | ◎ | 1.39 |
24 | BN | ◎ | 1.34 |
25 | B4C | ◎ | 1.37 |
26 | NiO | ◎ | 1.35 |
27 | Al2O3 | ◎ | 1.36 |
28 | SiO2 | ◎ | 1.32 |
29 | CaO | ◎ | 1.27 |
30 | ZrO2 | ◎ | 1.29 |
31 | MgO·CaO | ◎ | 1.32 |
32 | SiO2·ZrO2 | ◎ | 1.33 |
33 | SiO2·CaO | ◎ | 1.30 |
比较 | 不存在 | × | (1.0) |
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP336117/1999 | 1999-11-26 | ||
JP33611799A JP3731640B2 (ja) | 1999-11-26 | 1999-11-26 | 垂直磁気記録媒体及び磁気記憶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1303090A CN1303090A (zh) | 2001-07-11 |
CN1178206C true CN1178206C (zh) | 2004-12-01 |
Family
ID=18295877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001370294A Expired - Fee Related CN1178206C (zh) | 1999-11-26 | 2000-11-24 | 垂直磁记录介质、磁记录装置 |
Country Status (3)
Country | Link |
---|---|
US (3) | US6686070B1 (zh) |
JP (1) | JP3731640B2 (zh) |
CN (1) | CN1178206C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101025932B (zh) * | 2006-02-22 | 2012-07-04 | 三星电子株式会社 | 垂直磁记录介质 |
Families Citing this family (79)
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JP3731640B2 (ja) * | 1999-11-26 | 2006-01-05 | 株式会社日立グローバルストレージテクノロジーズ | 垂直磁気記録媒体及び磁気記憶装置 |
US6794034B2 (en) * | 2000-02-07 | 2004-09-21 | Nagoya Oilchemical Co., Ltd. | Resin composition, molding material, and molded object |
JP3350512B2 (ja) | 2000-05-23 | 2002-11-25 | 株式会社日立製作所 | 垂直磁気記録媒体及び磁気記録再生装置 |
US6818330B2 (en) * | 2000-08-25 | 2004-11-16 | Seagate Technology Llc | Perpendicular recording medium with antiferromagnetic exchange coupling in soft magnetic underlayers |
US7166375B2 (en) | 2000-12-28 | 2007-01-23 | Showa Denko K.K. | Magnetic recording medium utilizing a multi-layered soft magnetic underlayer, method of producing the same and magnetic recording and reproducing device |
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JP2003045015A (ja) * | 2001-07-27 | 2003-02-14 | Anelva Corp | 垂直磁気記録媒体及び垂直磁気記録媒体製造方法 |
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JP4031956B2 (ja) | 2002-07-05 | 2008-01-09 | 株式会社日立グローバルストレージテクノロジーズ | 垂直磁気記録媒体および磁気記憶装置 |
US7083870B2 (en) * | 2002-07-12 | 2006-08-01 | Showa Denko K. K. | Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus |
US7033684B2 (en) * | 2002-07-16 | 2006-04-25 | Showa Denko K.K. | Magnetic recording medium, method of manufacture thereof, and magnetic read/write apparatus |
US20040038082A1 (en) * | 2002-08-26 | 2004-02-26 | Toshihiro Tsumori | Substrate for perpendicular magnetic recording hard disk medium and method for producing the same |
WO2004032119A1 (en) * | 2002-09-30 | 2004-04-15 | Seagate Technology Llc | Soft magnetic underlayer in a magnetic storage medium |
JP2004259306A (ja) * | 2003-02-24 | 2004-09-16 | Hitachi Ltd | 磁気記録媒体および磁気記録媒体の製造方法 |
US7241516B1 (en) * | 2003-03-03 | 2007-07-10 | Maxtor Corporation | Soft magnetic underlayer with exchange coupling induced anisotropy for perpendicular magnetic recording media |
WO2004084193A1 (ja) * | 2003-03-19 | 2004-09-30 | Fujitsu Limited | 磁気記録媒体及びその製造方法、並びに、磁気記録装置及び磁気記録方法 |
JP2004284241A (ja) * | 2003-03-24 | 2004-10-14 | Tdk Corp | 光記録媒体及び光記録媒体用スパッタリングターゲット |
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1999
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2000
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- 2000-11-24 CN CNB001370294A patent/CN1178206C/zh not_active Expired - Fee Related
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CN101025932B (zh) * | 2006-02-22 | 2012-07-04 | 三星电子株式会社 | 垂直磁记录介质 |
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JP3731640B2 (ja) | 2006-01-05 |
US20070037018A1 (en) | 2007-02-15 |
US20040062953A1 (en) | 2004-04-01 |
US7399540B2 (en) | 2008-07-15 |
JP2001155322A (ja) | 2001-06-08 |
CN1303090A (zh) | 2001-07-11 |
US6686070B1 (en) | 2004-02-03 |
US7147941B2 (en) | 2006-12-12 |
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