TWI713985B - 垂直磁記錄介質 - Google Patents
垂直磁記錄介質 Download PDFInfo
- Publication number
- TWI713985B TWI713985B TW108103337A TW108103337A TWI713985B TW I713985 B TWI713985 B TW I713985B TW 108103337 A TW108103337 A TW 108103337A TW 108103337 A TW108103337 A TW 108103337A TW I713985 B TWI713985 B TW I713985B
- Authority
- TW
- Taiwan
- Prior art keywords
- layer
- item
- recording medium
- cap layer
- perpendicular magnetic
- Prior art date
Links
- 239000002245 particle Substances 0.000 claims abstract description 66
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 29
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 28
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 229910052796 boron Inorganic materials 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 239000010408 film Substances 0.000 description 21
- 239000006249 magnetic particle Substances 0.000 description 11
- 229910004298 SiO 2 Inorganic materials 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 238000005477 sputtering target Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 5
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910020707 Co—Pt Inorganic materials 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010409 thin film 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
- G11B5/64—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
- G11B5/672—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 different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
-
- 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
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018063229 | 2018-03-28 | ||
JP2018-063229 | 2018-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201942900A TW201942900A (zh) | 2019-11-01 |
TWI713985B true TWI713985B (zh) | 2020-12-21 |
Family
ID=68061014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW108103337A TWI713985B (zh) | 2018-03-28 | 2019-01-29 | 垂直磁記錄介質 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP7116782B2 (ja) |
CN (1) | CN111971745B (ja) |
SG (1) | SG11202009585QA (ja) |
TW (1) | TWI713985B (ja) |
WO (1) | WO2019187226A1 (ja) |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200617901A (en) * | 2004-10-27 | 2006-06-01 | Hitachi Global Storage Tech Nl | Perpendicular magnetic recording medium |
JP4021435B2 (ja) * | 2004-10-25 | 2007-12-12 | 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、その製造方法及び磁気記録再生装置 |
TW200822087A (en) * | 2006-11-14 | 2008-05-16 | Nat Univ Tsing Hua | Perpendicular magnetic recording media |
CN100440323C (zh) * | 2005-03-30 | 2008-12-03 | 富士通株式会社 | 垂直磁记录介质及其制造方法和磁存储装置 |
TW201017653A (en) * | 2008-10-30 | 2010-05-01 | Nat Univ Tsing Hua | Exchange coupled composite type of perpendicular magnetic recording media |
CN102103867A (zh) * | 2009-12-16 | 2011-06-22 | 日立环球储存科技荷兰有限公司 | 连续介质垂直磁记录盘及其制造方法 |
TW201226611A (en) * | 2010-12-21 | 2012-07-01 | Jx Nippon Mining & Metals Corp | Sputtering target for magnetic recording film, and process for production thereof |
CN102693731A (zh) * | 2011-03-18 | 2012-09-26 | 精工电子有限公司 | 磁记录介质 |
TW201411611A (zh) * | 2012-04-18 | 2014-03-16 | Sanyo Special Steel Co Ltd | 使用於磁性記錄媒體之密合膜層用CrTi系合金和濺鍍用靶材料、及使用此之垂直磁性記錄媒體 |
TW201512421A (zh) * | 2013-08-15 | 2015-04-01 | Sanyo Special Steel Co Ltd | Fe-Co系合金濺鍍靶材料及軟磁薄膜層與使用其之垂直磁性記錄媒體 |
CN104685566A (zh) * | 2012-10-10 | 2015-06-03 | 富士电机株式会社 | 磁记录介质 |
CN104718574A (zh) * | 2012-12-06 | 2015-06-17 | 富士电机株式会社 | 垂直磁记录介质 |
JP5960287B2 (ja) * | 2012-12-18 | 2016-08-02 | Jx金属株式会社 | 焼結体スパッタリングターゲット |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5492775A (en) * | 1993-05-28 | 1996-02-20 | International Business Machines Corporation | Barium ferrite thin film for longitudinal recording |
JP4680465B2 (ja) * | 1999-12-21 | 2011-05-11 | パナソニック株式会社 | 光学情報記録媒体とその記録再生方法、およびこれを用いた光学情報の記録再生システム |
US6999255B2 (en) * | 2001-11-09 | 2006-02-14 | Fuji Photo Film Co., Ltd. | Magnetic recording and reproducing system and magnetic recording medium used therein |
WO2004055800A1 (ja) * | 2002-12-13 | 2004-07-01 | Matsushita Electric Industrial Co., Ltd. | 光学的情報記録媒体およびその製造方法 |
TW200506926A (en) * | 2003-06-13 | 2005-02-16 | Matsushita Electric Ind Co Ltd | Optical information recording medium and method for manufacturing the same |
JP2007026536A (ja) * | 2005-07-15 | 2007-02-01 | Showa Denko Kk | 磁気記録媒体およびその製造方法並びに磁気記録再生装置 |
JP4270318B2 (ja) * | 2005-09-22 | 2009-05-27 | 東レ株式会社 | 磁気記録媒体用支持体および磁気記録媒体 |
JP5184843B2 (ja) * | 2007-08-21 | 2013-04-17 | エイチジーエスティーネザーランドビーブイ | 垂直磁気記録媒体及び磁気記憶装置 |
JP4292226B1 (ja) * | 2007-12-20 | 2009-07-08 | 株式会社東芝 | 垂直磁気記録媒体、及びこれを用いた磁気記録再生装置 |
US7862912B2 (en) * | 2008-03-04 | 2011-01-04 | Hitachi Global Storage Technologies Netherlands B.V. | Perpendicular magnetic recording medium and system with low-curie-temperature multilayer for heat-assisted writing and/or reading |
JP2009238299A (ja) * | 2008-03-26 | 2009-10-15 | Hoya Corp | 垂直磁気記録媒体および垂直磁気記録媒体の製造方法 |
US7867637B2 (en) * | 2008-11-17 | 2011-01-11 | Seagate Technology Llc | Low coupling oxide media (LCOM) |
JP5448750B2 (ja) * | 2009-11-26 | 2014-03-19 | エイチジーエスティーネザーランドビーブイ | 磁気記録媒体 |
JP5145437B2 (ja) * | 2011-03-02 | 2013-02-20 | 株式会社日立製作所 | 磁気記録媒体 |
JP6485353B2 (ja) * | 2013-08-23 | 2019-03-20 | ソニー株式会社 | フェリ磁性粒子粉末の製造方法、および磁気記録媒体の製造方法 |
MY160495A (en) * | 2013-12-10 | 2017-03-15 | Fuji Electric Co Ltd | Perpendicular magnetic recording medium |
JP6594633B2 (ja) * | 2015-02-23 | 2019-10-23 | 富士電機株式会社 | 磁気記録媒体 |
-
2018
- 2018-09-21 SG SG11202009585QA patent/SG11202009585QA/en unknown
- 2018-09-21 CN CN201880091890.8A patent/CN111971745B/zh active Active
- 2018-09-21 JP JP2020508965A patent/JP7116782B2/ja active Active
- 2018-09-21 WO PCT/JP2018/035132 patent/WO2019187226A1/ja active Application Filing
-
2019
- 2019-01-29 TW TW108103337A patent/TWI713985B/zh active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4021435B2 (ja) * | 2004-10-25 | 2007-12-12 | 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、その製造方法及び磁気記録再生装置 |
TW200617901A (en) * | 2004-10-27 | 2006-06-01 | Hitachi Global Storage Tech Nl | Perpendicular magnetic recording medium |
CN100440323C (zh) * | 2005-03-30 | 2008-12-03 | 富士通株式会社 | 垂直磁记录介质及其制造方法和磁存储装置 |
TW200822087A (en) * | 2006-11-14 | 2008-05-16 | Nat Univ Tsing Hua | Perpendicular magnetic recording media |
TW201017653A (en) * | 2008-10-30 | 2010-05-01 | Nat Univ Tsing Hua | Exchange coupled composite type of perpendicular magnetic recording media |
CN102103867A (zh) * | 2009-12-16 | 2011-06-22 | 日立环球储存科技荷兰有限公司 | 连续介质垂直磁记录盘及其制造方法 |
TW201226611A (en) * | 2010-12-21 | 2012-07-01 | Jx Nippon Mining & Metals Corp | Sputtering target for magnetic recording film, and process for production thereof |
CN102693731A (zh) * | 2011-03-18 | 2012-09-26 | 精工电子有限公司 | 磁记录介质 |
TW201411611A (zh) * | 2012-04-18 | 2014-03-16 | Sanyo Special Steel Co Ltd | 使用於磁性記錄媒體之密合膜層用CrTi系合金和濺鍍用靶材料、及使用此之垂直磁性記錄媒體 |
CN104685566A (zh) * | 2012-10-10 | 2015-06-03 | 富士电机株式会社 | 磁记录介质 |
CN104718574A (zh) * | 2012-12-06 | 2015-06-17 | 富士电机株式会社 | 垂直磁记录介质 |
JP5960287B2 (ja) * | 2012-12-18 | 2016-08-02 | Jx金属株式会社 | 焼結体スパッタリングターゲット |
TW201512421A (zh) * | 2013-08-15 | 2015-04-01 | Sanyo Special Steel Co Ltd | Fe-Co系合金濺鍍靶材料及軟磁薄膜層與使用其之垂直磁性記錄媒體 |
Also Published As
Publication number | Publication date |
---|---|
JP7116782B2 (ja) | 2022-08-10 |
SG11202009585QA (en) | 2020-10-29 |
CN111971745A (zh) | 2020-11-20 |
WO2019187226A1 (ja) | 2019-10-03 |
JPWO2019187226A1 (ja) | 2021-05-27 |
TW201942900A (zh) | 2019-11-01 |
CN111971745B (zh) | 2022-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9064518B2 (en) | Perpendicular magnetic recording medium | |
US8771849B2 (en) | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same | |
JPWO2006003922A1 (ja) | 垂直磁気記録ディスク及びその製造方法 | |
JP2003178412A (ja) | 垂直磁気記録媒体およびその製造方法 | |
JP2007035139A (ja) | 垂直磁気記録媒体及び磁気記録再生装置 | |
JP5999290B2 (ja) | 磁気記録媒体 | |
JP6447739B2 (ja) | 垂直磁気記録媒体 | |
KR20070067600A (ko) | 내식성을 개선하기 위한 초박형 핵형성 막을 가진 수직자기 기록 디스크 및 이 디스크의 제조 방법 | |
JP6260742B2 (ja) | 磁気記録媒体 | |
US20110129692A1 (en) | Magnetic alloy materials with hcp stabilized microstructure, magnetic recording media comprising same, and fabrication method therefor | |
JP2007164941A (ja) | 垂直磁気記録媒体 | |
WO2017122593A1 (ja) | 磁気記録媒体およびこれを製造する方法 | |
TWI724428B (zh) | 濺鍍靶、顆粒膜及垂直磁記錄媒體 | |
TWI713985B (zh) | 垂直磁記錄介質 | |
JP6406462B2 (ja) | 磁気記録媒体 | |
JP6327357B2 (ja) | 磁気記録媒体 | |
JP6358640B2 (ja) | 磁気記録媒体 | |
JP6617923B2 (ja) | 垂直磁気記録媒体の製造方法 | |
TWI812869B (zh) | 磁性記錄媒體用濺鍍靶 | |
JP4993296B2 (ja) | 垂直磁気記録媒体 | |
JP6260517B2 (ja) | 磁気記録媒体およびその製造方法 | |
TWI671418B (zh) | 濺鍍靶、積層膜之製造方法、積層膜及磁記錄媒體 | |
JP2005190506A (ja) | 垂直磁気記録媒体およびその製造方法 | |
JP5737676B2 (ja) | 磁気記録媒体及び磁気記録再生装置 |