JP2015032343A - 平坦化ビット・パターン化磁気媒体のための組成および方法 - Google Patents
平坦化ビット・パターン化磁気媒体のための組成および方法 Download PDFInfo
- Publication number
- JP2015032343A JP2015032343A JP2014157417A JP2014157417A JP2015032343A JP 2015032343 A JP2015032343 A JP 2015032343A JP 2014157417 A JP2014157417 A JP 2014157417A JP 2014157417 A JP2014157417 A JP 2014157417A JP 2015032343 A JP2015032343 A JP 2015032343A
- Authority
- JP
- Japan
- Prior art keywords
- carbon layer
- carbon
- patterned magnetic
- magnetic medium
- slurry
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 151
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 151
- 238000005498 polishing Methods 0.000 claims abstract description 80
- 239000002002 slurry Substances 0.000 claims abstract description 66
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000007800 oxidant agent Substances 0.000 claims abstract description 18
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims description 33
- 230000001590 oxidative effect Effects 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 14
- 239000010419 fine particle Substances 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 150000001722 carbon compounds Chemical class 0.000 claims description 5
- 150000004679 hydroxides Chemical class 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- -1 transition metal salt Chemical class 0.000 claims description 3
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 96
- 239000011241 protective layer Substances 0.000 description 13
- 238000003860 storage Methods 0.000 description 12
- 229910021385 hard carbon Inorganic materials 0.000 description 11
- 238000007517 polishing process Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 10
- 239000010408 film Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000000945 filler Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 8
- 239000000696 magnetic material Substances 0.000 description 7
- 238000005530 etching Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000026487 Triploidy Diseases 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000007521 mechanical polishing technique Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009736 wetting Methods 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the 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
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/726—Two or more protective coatings
- G11B5/7262—Inorganic protective coating
- G11B5/7264—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon
-
- 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
- G11B5/855—Coating only part of a support with a magnetic layer
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
【解決手段】 本開示は、アイランド領域およびトレンチ領域を含む磁気層、磁気層の上に被覆される第1炭素層、および第1炭素層の上に被覆される第2炭素層であって、アイランド領域の第2炭素層は除去されている第2炭素層をもつ平坦化ビット・パターン化磁気媒体に関する。第1炭素層は、化学機械研磨にさらされたときに第2炭素層より低い材料除去率を持ち得る。本開示は、ビット・パターン化磁気媒体を平坦化する方法および炭素層を化学機械研磨するためのスラリー組成にも関する。このスラリー組成は、酸化剤成分、触媒成分、微粒子成分、および反応制御成分を含む。
【選択図】図3F
Description
Claims (28)
- アイランド領域およびトレンチ領域を含む磁気層と、
前記磁気層の上に被覆される第1炭素層と、
前記第1炭素層の上に被覆される第2炭素層であって、前記アイランド領域の上の前記第2炭素層は、ほとんど除去されている第2炭素層と、
を含む平坦化ビット・パターン化磁気媒体。 - 前記第1炭素層が化学機械研磨にさらされたときに、前記第2炭素層より低い材料除去率をもつ請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第1炭素層が前記第2炭素層より高い密度をもつ請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第1炭素層が前記第2炭素層よりsp3型結合を多く含む請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第1炭素層が前記第2炭素層より高い硬度をもつ請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第2炭素層が水素添加炭素化合物、窒素添加炭素化合物、または水素添加・窒素添加化合物を含む請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第1炭素層が約15GPa以上の硬度をもち、かつ、前記第2炭素層が15GPa未満の硬度をもつ請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第1炭素層が2.0gm/ccを超える密度をもち、かつ、前記第2炭素層が2.0gm/cc未満の密度をもつ請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第1炭素層が2.2gm/ccを超える密度をもち、かつ、前記第2炭素層が2.2gm/cc未満の密度をもつ請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第1炭素層が2.0gm/ccを超える密度をもち、かつ、前記第2炭素層が1.8gm/cc未満の密度をもつ請求項1に記載の平坦化ビット・パターン化磁気媒体。
- 前記第2炭素層の組成が前記第2炭素層の厚さに応じて変化する請求項1に記載の平坦化ビット・パターン化磁気媒体。
- トレンチ領域およびアイランド領域を含む磁気層、前記磁気層の上に被覆される第1炭素層、および前記第1炭素層の上に被覆される第2炭素層を含むビット・パターン化磁気媒体を設けるステップ、
研磨パッドを含む化学機械研磨システムを設けるステップと、
微粒子スラリーを設けるステップと、
反応制御成分を設けるステップと、
前記微粒子スラリーと前記反応制御成分を混合して研磨スラリーを形成するステップと、
前記研磨スラリーで濡らした前記研磨パッドにより前記ビット・パターン化磁気媒体を研磨することにより前記アイランド領域から前記第2炭素層を除去するステップと、
を含むビット・パターン化磁気媒体平坦化方法。 - 前記微粒子スラリーを設けるステップが酸化剤成分、触媒成分、および微粒子成分を設けることを含む請求項12に記載の方法。
- 前記反応制御成分が反応促進塩基を含む請求項12に記載の方法。
- 前記反応制御成分が水酸化物塩を含む請求項14に記載の方法。
- 前記微粒子スラリーと反応制御成分を混合するステップが化学機械研磨中にまたはそれに先立ち前記研磨パッドに対して両者を射出することを含む請求項12に記載の方法。
- 炭素層の化学機械研磨のためのスラリー組成であって、
酸化剤成分と、
触媒成分と、
微粒子成分と、
反応制御成分と、
を含むスラリー組成。 - 前記酸化剤成分が過酸化物を含む請求項17に記載のスラリー組成。
- 前記酸化剤成分が過マンガン酸塩を含む請求項17に記載のスラリー組成。
- 前記酸化剤成分が硝酸を含む請求項17に記載のスラリー組成。
- 前記触媒成分が遷移金属塩を含む請求項17に記載のスラリー組成。
- 前記触媒成分がFeSO4を含む請求項21に記載のスラリー組成。
- 前記反応制御成分が塩基を含む請求項17に記載のスラリー組成。
- 前記反応制御成分がKOHまたはNaOHを含む請求項23に記載のスラリー組成。
- 前記反応制御成分が水酸化物塩を含む請求項23に記載のスラリー組成。
- 前記微粒子成分がシリカ粒子を含む請求項17に記載のスラリー組成。
- 前記微粒子成分がアルミナ粒子を含む請求項17に記載のスラリー組成。
- 前記微粒子成分がダイアモンド粒子を含む請求項17に記載のスラリー組成。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/958,214 US9190091B2 (en) | 2013-08-02 | 2013-08-02 | Composition and method for planarized bit-patterned magnetic media |
US13/958,214 | 2013-08-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015032343A true JP2015032343A (ja) | 2015-02-16 |
JP5894641B2 JP5894641B2 (ja) | 2016-03-30 |
Family
ID=52427935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014157417A Active JP5894641B2 (ja) | 2013-08-02 | 2014-08-01 | 平坦化ビット・パターン化磁気媒体のための組成および方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9190091B2 (ja) |
JP (1) | JP5894641B2 (ja) |
SG (1) | SG10201404589VA (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210145078A (ko) * | 2020-05-21 | 2021-12-01 | 에이에스엠 아이피 홀딩 비.브이. | 다수의 탄소 층을 포함한 구조체 및 이를 형성하고 사용하는 방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6638608B1 (en) * | 2001-03-16 | 2003-10-28 | Seagate Technology Llc | Protection overcoat for recording media |
JP2007531631A (ja) * | 2003-07-11 | 2007-11-08 | ダブリュー・アール・グレイス・アンド・カンパニー−コネチカット | 化学機械的研磨用研磨剤粒子 |
JP2008091031A (ja) * | 2007-12-27 | 2008-04-17 | Tdk Corp | 磁気記録媒体の製造方法 |
JP2009289412A (ja) * | 2009-09-15 | 2009-12-10 | Toshiba Corp | 磁気記録装置 |
JP2011090731A (ja) * | 2009-10-21 | 2011-05-06 | Showa Denko Kk | 磁気記録媒体の製造方法及び磁気記録媒体、並びに磁気記録再生装置 |
US20120140357A1 (en) * | 2010-12-06 | 2012-06-07 | Hitachi Global Storage Technologies Netherlands B. V. | Magnetic recording medium having recording regions and separating regions and methods of manufacturing the same |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6303214B1 (en) | 1999-04-14 | 2001-10-16 | Seagate Technology Llc | Magnetic recording medium with high density thin dual carbon overcoats |
US6492273B1 (en) | 1999-08-31 | 2002-12-10 | Micron Technology, Inc. | Methods and apparatuses for monitoring and controlling mechanical or chemical-mechanical planarization of microelectronic substrate assemblies |
US6638622B2 (en) | 2001-01-11 | 2003-10-28 | Hitachi Global Storage Technologies | Perfluorinated polyethers with metal carboxylate end groups as anti-wetting and corrosion-protective agents |
US7300595B2 (en) | 2003-12-25 | 2007-11-27 | Tdk Corporation | Method for filling concave portions of concavo-convex pattern and method for manufacturing magnetic recording medium |
JP4008933B2 (ja) | 2005-05-16 | 2007-11-14 | 株式会社東芝 | 磁気記録媒体およびその製造方法ならびに磁気記録装置 |
JP2006331578A (ja) | 2005-05-27 | 2006-12-07 | Toshiba Corp | 磁気記録媒体、その製造方法および磁気記録装置 |
JP4382843B2 (ja) * | 2007-09-26 | 2009-12-16 | 株式会社東芝 | 磁気記録媒体およびその製造方法 |
US9761262B2 (en) | 2008-07-02 | 2017-09-12 | Seagate Technology Llc | Planarization methodology for topographically challenged media surface |
US8021713B2 (en) | 2008-07-18 | 2011-09-20 | Seagate Technology Llc | Bit-patterned magnetic media formed in filler layer recesses |
US8435654B2 (en) | 2008-09-10 | 2013-05-07 | Seagate Technology Llc | Bit patterned device |
JP2010108540A (ja) | 2008-10-29 | 2010-05-13 | Showa Denko Kk | 磁気記録媒体の製造方法、磁気記録媒体、及び磁気記録再生装置 |
CN102598130A (zh) | 2009-08-26 | 2012-07-18 | 威科仪器股份有限公司 | 用于在磁记录介质上制作图案的系统 |
US8422169B2 (en) | 2009-12-14 | 2013-04-16 | Seagate Technology Llc | Shallow trench discrete track media (DTM) and pattern transfer process |
US8168311B2 (en) | 2010-04-02 | 2012-05-01 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording disk having pre-patterned surface features and planarized surface |
US8252437B2 (en) | 2010-10-28 | 2012-08-28 | Hitachi Global Storage Technologies Netherlands B.V. | Planarized magnetic recording disk with pre-patterned surface features and secure adhesion of planarizing fill material and method for planarizing the disk |
-
2013
- 2013-08-02 US US13/958,214 patent/US9190091B2/en not_active Expired - Fee Related
-
2014
- 2014-08-01 JP JP2014157417A patent/JP5894641B2/ja active Active
- 2014-08-01 SG SG10201404589VA patent/SG10201404589VA/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6638608B1 (en) * | 2001-03-16 | 2003-10-28 | Seagate Technology Llc | Protection overcoat for recording media |
JP2007531631A (ja) * | 2003-07-11 | 2007-11-08 | ダブリュー・アール・グレイス・アンド・カンパニー−コネチカット | 化学機械的研磨用研磨剤粒子 |
JP2008091031A (ja) * | 2007-12-27 | 2008-04-17 | Tdk Corp | 磁気記録媒体の製造方法 |
JP2009289412A (ja) * | 2009-09-15 | 2009-12-10 | Toshiba Corp | 磁気記録装置 |
JP2011090731A (ja) * | 2009-10-21 | 2011-05-06 | Showa Denko Kk | 磁気記録媒体の製造方法及び磁気記録媒体、並びに磁気記録再生装置 |
US20120140357A1 (en) * | 2010-12-06 | 2012-06-07 | Hitachi Global Storage Technologies Netherlands B. V. | Magnetic recording medium having recording regions and separating regions and methods of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
US20150037614A1 (en) | 2015-02-05 |
JP5894641B2 (ja) | 2016-03-30 |
US9190091B2 (en) | 2015-11-17 |
SG10201404589VA (en) | 2015-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3719026B2 (ja) | 磁気記録媒体とその製造方法 | |
JP5236244B2 (ja) | 磁気記録媒体の製造方法 | |
US5673156A (en) | Hard disk drive system having virtual contact recording | |
JP4008933B2 (ja) | 磁気記録媒体およびその製造方法ならびに磁気記録装置 | |
JP2005182990A (ja) | Dtrパターン化cssゾーンを有する磁気記録ディスク | |
JP2003338019A5 (ja) | ||
JP2005243130A (ja) | 磁気記録媒体及び磁気記録再生装置 | |
JP2005251270A (ja) | 磁気記録媒体 | |
JP3924301B2 (ja) | 磁気記録媒体及び磁気記録再生装置 | |
US6811467B1 (en) | Methods and apparatus for polishing glass substrates | |
JP2006120222A (ja) | 磁気記録媒体およびその製造方法 | |
JP5894641B2 (ja) | 平坦化ビット・パターン化磁気媒体のための組成および方法 | |
JP2006048812A (ja) | 磁気記録媒体及び磁気記録再生装置 | |
US8767350B2 (en) | Magnetic recording medium having recording regions and separating regions and methods of manufacturing the same | |
US7894162B2 (en) | Method to protect the magnetic recording head from thermal asperities during disk drive operation | |
JP4946500B2 (ja) | ナノホール構造体及びその製造方法、並びに、磁気記録媒体及びその製造方法 | |
JP3934889B2 (ja) | 磁気記録媒体およびその製造方法 | |
US8474128B2 (en) | Planarization methods for patterned media disks | |
CN102047330A (zh) | 垂直磁记录介质、垂直磁记录介质的制造方法和磁记录再生装置 | |
JP5115759B2 (ja) | 磁気記録媒体 | |
JP2011018425A (ja) | 磁気記録媒体の製造方法及び磁気記録再生装置 | |
US8926400B2 (en) | Uniformity during planarization of a disk | |
JP2009235553A (ja) | ナノホール構造体及びその製造方法 | |
JP2006099813A (ja) | 磁気記録媒体用基板の製造方法及びその製造方法を用いた磁気記録媒体の製造方法 | |
JP2006260700A (ja) | 磁気記録媒体及び磁気記録装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150415 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150421 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150721 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160209 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160226 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5894641 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |