JP3802539B2 - 磁気記録媒体の製造方法 - Google Patents
磁気記録媒体の製造方法 Download PDFInfo
- Publication number
- JP3802539B2 JP3802539B2 JP2004135866A JP2004135866A JP3802539B2 JP 3802539 B2 JP3802539 B2 JP 3802539B2 JP 2004135866 A JP2004135866 A JP 2004135866A JP 2004135866 A JP2004135866 A JP 2004135866A JP 3802539 B2 JP3802539 B2 JP 3802539B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- layer
- magnetic
- recording layer
- recording medium
- 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.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Description
凹凸のピッチ :150nm
記録要素16(凸部)の幅:75nm
凹部の幅 :75nm
12…基板
14…記録層
16…記録要素
18…凹部
20…非磁性材
22…下地層
24…軟磁性層
26…配向層
28…保護層
30…潤滑層
50…被加工体
52…連続記録層
54…第1のマスク層
56…第2のマスク層
58…レジスト層
θ…傾斜角
S102…記録層加工工程
S104…非磁性材充填工程
S106…平坦化工程
S108…保護層形成工程
S110…潤滑層形成工程
Claims (2)
- 基板の上に連続記録層が形成された被加工体の前記連続記録層をドライエッチングにより凹凸パターンに加工して情報を記録するための記録要素を前記凹凸パターンの凸部としてデータ領域において200nm以下のピッチで形成し、且つ、前記被加工体の表面を臨む方向に前記記録要素の側面が傾斜し、前記記録要素の側面が前記表面に垂直な方向に対してなす傾斜角が45°以下、5°以上である形状に前記記録要素を加工する記録層加工工程と、前記記録層の上にアモルファス構造を有する材料及び微結晶材料のいずれかである非磁性材を成膜して前記凹凸パターンの凹部を該非磁性材で充填する非磁性材充填工程と、をこの順で実行することを特徴とする磁気記録媒体の製造方法。
- 請求項1において、
前記記録層加工工程において、前記記録要素を前記側面の傾斜角が16°以上である形状に加工することを特徴とする磁気記録媒体の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004135866A JP3802539B2 (ja) | 2004-04-30 | 2004-04-30 | 磁気記録媒体の製造方法 |
US11/115,116 US7482070B2 (en) | 2004-04-30 | 2005-04-27 | Magnetic recording medium |
CNB2005100670733A CN100351907C (zh) | 2004-04-30 | 2005-04-27 | 磁记录介质 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004135866A JP3802539B2 (ja) | 2004-04-30 | 2004-04-30 | 磁気記録媒体の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005317155A JP2005317155A (ja) | 2005-11-10 |
JP3802539B2 true JP3802539B2 (ja) | 2006-07-26 |
Family
ID=35186818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004135866A Expired - Fee Related JP3802539B2 (ja) | 2004-04-30 | 2004-04-30 | 磁気記録媒体の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7482070B2 (ja) |
JP (1) | JP3802539B2 (ja) |
CN (1) | CN100351907C (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7230795B2 (en) * | 2003-03-27 | 2007-06-12 | Tdk Corporation | Recording medium having reduced surface roughness |
JP4223348B2 (ja) * | 2003-07-31 | 2009-02-12 | Tdk株式会社 | 磁気記録媒体の製造方法及び製造装置 |
JP2006012332A (ja) * | 2004-06-28 | 2006-01-12 | Tdk Corp | ドライエッチング方法、磁気記録媒体の製造方法及び磁気記録媒体 |
JP3816509B2 (ja) * | 2004-11-10 | 2006-08-30 | Tdk株式会社 | 磁気記録媒体及び磁気記録再生装置 |
US20060105203A1 (en) * | 2004-11-15 | 2006-05-18 | Seagate Technology Llc | Head disc interface design |
JP4571084B2 (ja) * | 2006-03-01 | 2010-10-27 | 株式会社日立製作所 | パターンドメディア及びその製造方法 |
JP4599328B2 (ja) | 2006-07-03 | 2010-12-15 | 株式会社東芝 | 磁気記録媒体 |
JP2009009653A (ja) * | 2007-06-28 | 2009-01-15 | Toshiba Corp | 磁気記録媒体、その製造方法および磁気記録装置 |
JP2009295196A (ja) * | 2008-06-02 | 2009-12-17 | Fujitsu Ltd | 磁気記録媒体および情報記録装置 |
JP4468469B2 (ja) | 2008-07-25 | 2010-05-26 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4489132B2 (ja) | 2008-08-22 | 2010-06-23 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP5344283B2 (ja) * | 2008-10-27 | 2013-11-20 | 富士電機株式会社 | 磁気記録媒体 |
JP4551957B2 (ja) | 2008-12-12 | 2010-09-29 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4575499B2 (ja) | 2009-02-20 | 2010-11-04 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4568367B2 (ja) | 2009-02-20 | 2010-10-27 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4575498B2 (ja) | 2009-02-20 | 2010-11-04 | 株式会社東芝 | 磁気記録媒体の製造方法 |
US8264788B2 (en) * | 2009-02-23 | 2012-09-11 | Seagate Technology Llc | Discrete track media (DTM) design and fabrication for heat assisted magnetic recording (HAMR) |
JP4686623B2 (ja) * | 2009-07-17 | 2011-05-25 | 株式会社東芝 | 磁気記録媒体の製造方法 |
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 |
JP5238780B2 (ja) | 2010-09-17 | 2013-07-17 | 株式会社東芝 | 磁気記録媒体とその製造方法及び磁気記録装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04251915A (ja) | 1990-12-27 | 1992-09-08 | Nec Kansai Ltd | 素子パータン形成方法およびそのパターンを用いるメッキフレーム |
JPH0522291A (ja) | 1991-07-17 | 1993-01-29 | Nec Corp | 障害メツセージ管理方式 |
JPH097158A (ja) * | 1995-06-22 | 1997-01-10 | Sony Corp | 磁気ディスク |
JPH0997419A (ja) | 1995-07-24 | 1997-04-08 | Toshiba Corp | 磁気ディスク、磁気ディスクの製造方法、及び磁気記録装置 |
US6014296A (en) * | 1995-07-24 | 2000-01-11 | Kabushiki Kaisha Toshiba | Magnetic disk, method of manufacturing magnetic disk and magnetic recording apparatus |
TW342495B (en) * | 1996-07-22 | 1998-10-11 | Matsushita Electric Ind Co Ltd | Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium |
CN1178970A (zh) * | 1996-10-04 | 1998-04-15 | 昭和电工株式会社 | 磁性记录介质及其生产工艺 |
KR19980063655A (ko) * | 1996-12-02 | 1998-10-07 | 이데이노부유키 | 자기기록매체, 자기기록재생장치 및 몰딩디스크용 메탈몰드의제조방법 |
JPH10222944A (ja) | 1996-12-02 | 1998-08-21 | Sony Corp | 磁気記録媒体及び磁気記録再生装置並びにディスク成型用金型の作製方法 |
JP3986951B2 (ja) * | 2001-11-28 | 2007-10-03 | 富士フイルム株式会社 | 磁気転写用マスター担体および磁気転写方法 |
US20040209123A1 (en) * | 2003-04-17 | 2004-10-21 | Bajorek Christopher H. | Method of fabricating a discrete track recording disk using a bilayer resist for metal lift-off |
-
2004
- 2004-04-30 JP JP2004135866A patent/JP3802539B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-27 US US11/115,116 patent/US7482070B2/en not_active Expired - Fee Related
- 2005-04-27 CN CNB2005100670733A patent/CN100351907C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN100351907C (zh) | 2007-11-28 |
US7482070B2 (en) | 2009-01-27 |
CN1697029A (zh) | 2005-11-16 |
JP2005317155A (ja) | 2005-11-10 |
US20050243467A1 (en) | 2005-11-03 |
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