JP5236244B2 - 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
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- JP5236244B2 JP5236244B2 JP2007269235A JP2007269235A JP5236244B2 JP 5236244 B2 JP5236244 B2 JP 5236244B2 JP 2007269235 A JP2007269235 A JP 2007269235A JP 2007269235 A JP2007269235 A JP 2007269235A JP 5236244 B2 JP5236244 B2 JP 5236244B2
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- 230000005291 magnetic effect Effects 0.000 title claims description 143
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims description 47
- 239000000758 substrate Substances 0.000 claims description 38
- 229920002120 photoresistant polymer Polymers 0.000 claims description 34
- 230000005415 magnetization Effects 0.000 claims description 17
- 239000000696 magnetic material Substances 0.000 claims description 14
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 229910052762 osmium Inorganic materials 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 description 30
- 239000010409 thin film Substances 0.000 description 10
- 239000006249 magnetic particle Substances 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 229910001004 magnetic alloy Inorganic materials 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910019222 CoCrPt Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910018104 Ni-P Inorganic materials 0.000 description 1
- 241000849798 Nita Species 0.000 description 1
- 229910018536 Ni—P Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/855—Coating only part of a support with a 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- 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
-
- 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
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Description
Claims (9)
- 基板上に、Cr、W、Moのいずれかを含む材料からなる下地層の底部をエピタキシャル成長により形成する工程と、
前記下地層の底部上にフォトレジストを用いて1つあるいは複数の溝部を形成する工程と、
前記フォトレジストを用いて形成した溝部に前記下地層の底部の材料と同じ材料をエピタキシャル成長により埋め込んで前記底部と一体にして下地層を形成する工程と、
前記下地層から前記フォトレジストを除去して磁性材料埋め込み用溝部を形成する工程と、
前記磁性材料埋め込み用溝部にCoを含む材料からなる記録層の磁性膜をエピタキシャル成長により埋め込む工程とを有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、
前記下地層を形成する工程は、前記フォトレジストを用いて形成した溝部に前記下地層の底部の材料と同じ材料を該溝部の深さよりも浅く埋め込む工程であることを特徴とする磁気記録媒体の製造方法。 - 請求項1または請求項2において、
前記下地層の底部を形成する工程の前に、前記基板上にNi合金からなるシード層を形成する工程を更に有することを特徴とする磁気記録媒体の製造方法。 - 請求項3において、
前記シード層を形成する工程と前記下地層の底部を形成する工程との間に、
前記シード層上に他の下地層を形成する工程と、
前記他の下地層上に磁性材料からなる記録磁化安定化層を形成する工程とを更に有することを特徴とする磁気記録媒体の製造方法。 - 基板上に、軟磁性層を形成する工程と、
前記軟磁性層上に、Ru、Os、Reのいずれかを含む材料からなる下地層の底部をエピタキシャル成長により形成する工程と、
前記下地層の底部上にフォトレジストを用いて1つあるいは複数の溝部を形成する工程と、
前記フォトレジストを用いて形成した溝部に前記下地層の底部の材料と同じ材料をエピタキシャル成長により埋め込んで前記底部と一体にして下地層を形成する工程と、
前記下地層から前記フォトレジストを除去して磁性材料埋め込み用溝部を形成する工程と、
前記磁性材料埋め込み用溝部にCoを含む材料からなる記録層の磁性膜をエピタキシャル成長により埋め込む工程とを有することを特徴とする磁気記録媒体の製造方法。 - 請求項5において、
前記下地層を形成する工程は、前記フォトレジストを用いて形成した溝部に前記下地層の底部の材料と同じ材料を該溝部の深さよりも浅く埋め込む工程であることを特徴とする磁気記録媒体の製造方法。 - 請求項5または請求項6において、
前記軟磁性層を形成する工程の前に、前記基板との密着性を向上させるプリコート層を前記基板上に形成する工程を更に有することを特徴とする磁気記録媒体の製造方法。 - 請求項7において、
前記プリコート層を形成する工程と前記軟磁性層を形成する工程との間に、
前記プリコート層上に他の軟磁性層を形成する工程と、
前記他の軟磁性層上に非磁性材料からなる磁気結合層を形成する工程とを更に有することを特徴とする磁気記録媒体の製造方法。 - 請求項7または請求項8において、
前記軟磁性層を形成する工程と前記下地層の底部を形成する工程との間に、
前記軟磁性層上に他の下地層を形成する工程と、
前記他の下地層上に磁性材料からなる記録磁化安定化層を形成する工程とを更に有することを特徴とする磁気記録媒体の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007269235A JP5236244B2 (ja) | 2007-10-16 | 2007-10-16 | 磁気記録媒体の製造方法 |
US12/249,183 US20090098413A1 (en) | 2007-10-16 | 2008-10-10 | Dot-patterned structure magnetic recording medium and method for production thereof |
CNA2008101701925A CN101414466A (zh) | 2007-10-16 | 2008-10-13 | 点结构体、磁记录介质及其制造方法 |
KR1020080101113A KR20090038824A (ko) | 2007-10-16 | 2008-10-15 | 도트 구조체, 자기 기록 매체 및 그들의 제조 방법 |
US13/301,212 US20120064374A1 (en) | 2007-10-16 | 2011-11-21 | Dot-Patterned Structure, Magnetic Recording Medium, and Method for Production Thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007269235A JP5236244B2 (ja) | 2007-10-16 | 2007-10-16 | 磁気記録媒体の製造方法 |
Publications (3)
Publication Number | Publication Date |
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JP2009099189A JP2009099189A (ja) | 2009-05-07 |
JP2009099189A5 JP2009099189A5 (ja) | 2010-04-02 |
JP5236244B2 true JP5236244B2 (ja) | 2013-07-17 |
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JP2007269235A Expired - Fee Related JP5236244B2 (ja) | 2007-10-16 | 2007-10-16 | 磁気記録媒体の製造方法 |
Country Status (4)
Country | Link |
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US (2) | US20090098413A1 (ja) |
JP (1) | JP5236244B2 (ja) |
KR (1) | KR20090038824A (ja) |
CN (1) | CN101414466A (ja) |
Families Citing this family (81)
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JPH01109817U (ja) * | 1988-01-19 | 1989-07-25 | ||
JPH07122018A (ja) * | 1993-10-25 | 1995-05-12 | Victor Co Of Japan Ltd | 磁気ディスク及びその製造方法 |
JPH10241937A (ja) * | 1997-02-25 | 1998-09-11 | Hitachi Ltd | 磁気記録媒体およびそれを用いた磁気記録装置 |
US6299991B1 (en) * | 1998-10-15 | 2001-10-09 | International Business Machines Corporation | Selective growth of ferromagnetic films for magnetic memory, storage-based devices |
US6146755A (en) * | 1998-10-15 | 2000-11-14 | International Business Machines Corporation | High density magnetic recording medium utilizing selective growth of ferromagnetic material |
JP4812254B2 (ja) * | 2004-01-08 | 2011-11-09 | 富士電機株式会社 | 垂直磁気記録媒体、および、その製造方法 |
JP2006127681A (ja) * | 2004-10-29 | 2006-05-18 | Hitachi Ltd | 磁気記録媒体及びその製造方法、磁気記録再生装置 |
JP4929677B2 (ja) * | 2005-10-21 | 2012-05-09 | 住友電気工業株式会社 | Iii族窒化物半導体素子の製造方法 |
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 |
JP4576352B2 (ja) * | 2006-03-29 | 2010-11-04 | 富士通株式会社 | ナノホール構造体の製造方法 |
US7776388B2 (en) * | 2007-09-05 | 2010-08-17 | Hitachi Global Storage Technologies Netherlands, B.V. | Fabricating magnetic recording media on patterned seed layers |
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2008
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CN101414466A (zh) | 2009-04-22 |
US20120064374A1 (en) | 2012-03-15 |
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KR20090038824A (ko) | 2009-04-21 |
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