SG142215A1 - Method of manufacturing a perpendicular magnetic recording medium, method of manufacturing a substrate for said recording medium, a medium and a substrate manufactured by the methods - Google Patents
Method of manufacturing a perpendicular magnetic recording medium, method of manufacturing a substrate for said recording medium, a medium and a substrate manufactured by the methodsInfo
- Publication number
- SG142215A1 SG142215A1 SG200706207-8A SG2007062078A SG142215A1 SG 142215 A1 SG142215 A1 SG 142215A1 SG 2007062078 A SG2007062078 A SG 2007062078A SG 142215 A1 SG142215 A1 SG 142215A1
- Authority
- SG
- Singapore
- Prior art keywords
- recording medium
- manufacturing
- substrate
- underlayer
- medium
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 5
- 239000000758 substrate Substances 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- 238000005498 polishing Methods 0.000 abstract 3
- 229910018104 Ni-P Inorganic materials 0.000 abstract 2
- 229910018536 Ni—P Inorganic materials 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- 230000005415 magnetization Effects 0.000 abstract 2
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 239000003082 abrasive agent Substances 0.000 abstract 1
- 239000006061 abrasive grain Substances 0.000 abstract 1
- 230000002411 adverse Effects 0.000 abstract 1
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000010432 diamond Substances 0.000 abstract 1
- 239000011268 mixed slurry Substances 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
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
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/028—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for microgrooves or oil spots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/004—Machines or devices using grinding or polishing belts; Accessories therefor using abrasive rolled strips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006292757A JP4665886B2 (ja) | 2006-10-27 | 2006-10-27 | 垂直磁気記録媒体、垂直磁気記録媒体用基板、および、それらの製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG142215A1 true SG142215A1 (en) | 2008-05-28 |
Family
ID=39426741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200706207-8A SG142215A1 (en) | 2006-10-27 | 2007-08-24 | Method of manufacturing a perpendicular magnetic recording medium, method of manufacturing a substrate for said recording medium, a medium and a substrate manufactured by the methods |
Country Status (4)
Country | Link |
---|---|
US (1) | US8167685B2 (ja) |
JP (1) | JP4665886B2 (ja) |
MY (1) | MY145789A (ja) |
SG (1) | SG142215A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010080022A (ja) | 2008-09-29 | 2010-04-08 | Showa Denko Kk | 垂直磁気記録媒体の製造方法 |
JP5326638B2 (ja) * | 2009-02-18 | 2013-10-30 | 富士電機株式会社 | 磁気記録媒体用ガラス基板の製造方法、それが使用される磁気記録媒体用ガラス基板、および、垂直磁気記録媒体 |
US8808459B1 (en) * | 2010-09-01 | 2014-08-19 | WD Media, LLC | Method for cleaning post-sputter disks using tape and diamond slurry |
US8668953B1 (en) * | 2010-12-28 | 2014-03-11 | WD Media, LLC | Annealing process for electroless coated disks for high temperature applications |
JP2013030235A (ja) * | 2011-07-27 | 2013-02-07 | Alphana Technology Co Ltd | 回転機器および回転機器を製造する方法 |
MY192572A (en) * | 2017-03-31 | 2022-08-29 | Hoya Corp | Non-magnetic substrate for magnetic disk, and magnetic disk |
MY196313A (en) | 2017-06-30 | 2023-03-24 | Hoya Corp | Substrate For Magnetic Disks, and Magnetic Disk |
CN108970434A (zh) * | 2018-08-17 | 2018-12-11 | 成都天成鑫钻纳米科技股份有限公司 | 一种纳米金刚石团簇粉碎及分散方法 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10334460A (ja) | 1997-05-29 | 1998-12-18 | Hitachi Ltd | 記録媒体および記録装置 |
US6149696A (en) * | 1997-11-06 | 2000-11-21 | Komag, Inc. | Colloidal silica slurry for NiP plated disk polishing |
JP4536866B2 (ja) * | 1999-04-27 | 2010-09-01 | キヤノン株式会社 | ナノ構造体及びその製造方法 |
US6248395B1 (en) | 1999-05-24 | 2001-06-19 | Komag, Inc. | Mechanical texturing of glass and glass-ceramic substrates |
US6488729B1 (en) * | 1999-09-30 | 2002-12-03 | Showa Denko K.K. | Polishing composition and method |
US6866883B2 (en) * | 2000-07-25 | 2005-03-15 | Seagate Technology Llc | Mechanical texturing of sol-gel—coated substrates for magnetic recording media |
US6790763B2 (en) * | 2000-12-04 | 2004-09-14 | Ebara Corporation | Substrate processing method |
JP3995902B2 (ja) * | 2001-05-31 | 2007-10-24 | Hoya株式会社 | 情報記録媒体用ガラス基板及びそれを用いた磁気情報記録媒体 |
JP2003049159A (ja) * | 2001-08-02 | 2003-02-21 | Fujimi Inc | テクスチャー加工用組成物及びそれを用いたメモリーハードディスクの製造方法 |
MY133305A (en) * | 2001-08-21 | 2007-11-30 | Kao Corp | Polishing composition |
US20030110803A1 (en) * | 2001-09-04 | 2003-06-19 | Nippon Sheet Glass Co., Ltd. | Method of manufacturing glass substrate for magnetic disks, and glass substrate for magnetic disks |
US20030077983A1 (en) * | 2001-10-12 | 2003-04-24 | International Business Machines Corporation | Cleaning polish etch composition and process for a superfinished surface of a substrate |
US7314402B2 (en) | 2001-11-15 | 2008-01-01 | Speedfam-Ipec Corporation | Method and apparatus for controlling slurry distribution |
JP2003173517A (ja) * | 2001-11-30 | 2003-06-20 | Showa Denko Kk | 磁気記録媒体、その製造方法および媒体基板 |
US6808830B2 (en) * | 2001-12-28 | 2004-10-26 | Showa Denko K.K. | Magnetic recording medium, production process and apparatus thereof, and magnetic recording and reproducing apparatus |
US7025659B2 (en) | 2002-01-14 | 2006-04-11 | Hitachi Global Storage Technologies Netherlands B.V. | Simultaneous planarization of pole piece and coil materials for write head applications |
JP4123806B2 (ja) * | 2002-03-29 | 2008-07-23 | 高橋 研 | 磁気記録媒体、その製造方法および磁気記録装置 |
JP3577486B2 (ja) * | 2002-04-25 | 2004-10-13 | Hoya株式会社 | 磁気記録媒体及びその製造方法 |
MY138480A (en) * | 2002-05-09 | 2009-06-30 | Maxtor Corp | Method of simultaneous two-disk processing of single-sided magnetic recording disks |
US6811467B1 (en) * | 2002-09-09 | 2004-11-02 | Seagate Technology Llc | Methods and apparatus for polishing glass substrates |
JP4659338B2 (ja) * | 2003-02-12 | 2011-03-30 | Hoya株式会社 | 情報記録媒体用ガラス基板の製造方法並びにそれに使用する研磨パッド |
JP3940693B2 (ja) * | 2003-02-24 | 2007-07-04 | 日本ミクロコーティング株式会社 | 磁気ハードディスク基板及びその製造方法 |
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 |
JP4126657B2 (ja) | 2003-11-13 | 2008-07-30 | 富士電機デバイステクノロジー株式会社 | 垂直記録用磁気ディスク基板の研磨方法 |
JP2005216465A (ja) | 2004-02-02 | 2005-08-11 | Fuji Electric Device Technology Co Ltd | 記録媒体用ディスク基板、その研磨方法、および、垂直磁気記録媒体の製造方法 |
US20060204792A1 (en) * | 2004-04-06 | 2006-09-14 | Hiroshi Osawa | Magnetic recording medium, production process therefor, and magnetic recording and reproducing apparatus |
JP4352324B2 (ja) * | 2004-06-11 | 2009-10-28 | 富士電機デバイステクノロジー株式会社 | 垂直磁気記録媒体用ディスク基板並びにその基板の製造方法及びその基板を用いた垂直磁気記録媒体 |
JP2006092719A (ja) | 2004-08-27 | 2006-04-06 | Showa Denko Kk | 磁気ディスク用基板および磁気ディスクの製造方法 |
JP2006268984A (ja) * | 2005-03-25 | 2006-10-05 | Nihon Micro Coating Co Ltd | 垂直磁気記録ディスク及びその製造方法 |
JP4380577B2 (ja) * | 2005-04-07 | 2009-12-09 | 富士電機デバイステクノロジー株式会社 | 垂直磁気記録媒体 |
TW200717635A (en) * | 2005-09-06 | 2007-05-01 | Komatsu Denshi Kinzoku Kk | Polishing method for semiconductor wafer |
-
2006
- 2006-10-27 JP JP2006292757A patent/JP4665886B2/ja not_active Expired - Fee Related
-
2007
- 2007-08-24 SG SG200706207-8A patent/SG142215A1/en unknown
- 2007-08-24 MY MYPI20071429A patent/MY145789A/en unknown
- 2007-10-26 US US11/925,333 patent/US8167685B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US8167685B2 (en) | 2012-05-01 |
JP2008108396A (ja) | 2008-05-08 |
US20080131737A1 (en) | 2008-06-05 |
JP4665886B2 (ja) | 2011-04-06 |
MY145789A (en) | 2012-04-30 |
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