JP4385043B2 - 磁性膜の製造方法及び磁性膜 - Google Patents
磁性膜の製造方法及び磁性膜 Download PDFInfo
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- JP4385043B2 JP4385043B2 JP2006251390A JP2006251390A JP4385043B2 JP 4385043 B2 JP4385043 B2 JP 4385043B2 JP 2006251390 A JP2006251390 A JP 2006251390A JP 2006251390 A JP2006251390 A JP 2006251390A JP 4385043 B2 JP4385043 B2 JP 4385043B2
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- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/18—Electroplating using modulated, pulsed or reversing current
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/615—Microstructure of the layers, e.g. mixed structure
- C25D5/617—Crystalline layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/001—Magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
- H01F41/26—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids using electric currents, e.g. electroplating
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
-
- 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
- Y10T428/11—Magnetic recording head
- Y10T428/115—Magnetic layer composition
-
- 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
- Y10T428/11—Magnetic recording head
- Y10T428/1157—Substrate composition
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12778—Alternative base metals from diverse categories
Description
まず、図2に示すように、基板1の上面に下地層2を形成する。下地層2が、貴金属及び卑金属を含む合金材料から構成されることは前述した通りである。このような下地層2は、真空蒸着法、スパッタ法、めっき法などによって形成することができる。
まず、アルティックからなる基板上に、スパッタ法で下地層を形成した。下地層の組成としては、RhをベースとしCrを添加した組成を用いた。Cr添加量は、Rhに対して0at%〜100at%とした。また、下地層の層厚は20nmとした。
実験2において、先の実験1と重複する点については以下説明を省略することがある。実験2では、下地層の組成として、PdをベースとしTiを添加した組成を用いた。Ti添加量は、Pdに対して0at%〜100at%とした。また、めっき層の組成としては、先の実験1と同様、Fe75Co25を用いた。
実験3において、先の実験2と重複する点については以下説明を省略することがある。実験3では、下地層の組成として、RuをベースとしCrを添加した組成を用いた。Cr添加量は、Ruに対して0at%〜100at%とした。また、めっき層の組成としては、先の実験2と同様、Fe75Co25を用いた。実験結果を、下記の表3に示す。
実験4において、先の実験2と重複する点については以下説明を省略することがある。実験4では、下地層の組成として、PtをベースとしCrを添加した組成を用いた。Cr添加量は、Ptに対して0at%〜100at%とした。また、めっき層の組成としては、先の実験2と同様、Fe75Co25を用いた。実験結果を、下記の表4に示す。
実験5において、先の実験2と重複する点については以下説明を省略することがある。実験5では、下地層の組成として、PtをベースとしTiを添加した組成を用いた。Ti添加量は、Ptに対して0at%〜100at%とした。また、めっき層の組成としては、先の実験2と同様、Fe75Co25を用いた。実験結果を、下記の表5に示す。
実験6において、先の実験2と重複する点については以下説明を省略することがある。実験6では、下地層の組成として、RuをベースとしTiを添加した組成を用いた。Ti添加量は、Ruに対して0at%〜100at%とした。また、めっき層の組成としては、先の実験2と同様、Fe75Co25を用いた。実験結果を、下記の表6に示す。
2 下地層
3 めっき層
Claims (7)
- 下地層にパルスめっきを施して、前記下地層上に磁性材料からなるめっき層を析出させる磁性膜の製造方法であって、
前記下地層は、貴金属元素及び卑金属元素を含む合金材料からなり、
前記貴金属元素及び前記卑金属元素の組み合わせは、(Rh、Cr)、(Ru、Cr)、(Pt、Cr)、(Pd、Ti)、(Pt、Ti)又は(Ru、Ti)の何れかであり、
前記貴金属元素に対する前記卑金属元素の添加量が、5at%以上50at%以下の範囲にある、
磁性膜の製造方法。 - 請求項1に記載された磁性膜の製造方法であって、前記下地層の標準電極電位は、−1.00V以上0.70V以下の範囲にある、磁性膜の製造方法。
- 請求項1又は2に記載された磁性膜の製造方法であって、
前記下地層上に磁性材料からなる前記めっき層を析出させた後、前記めっき層にめっきを施して、前記めっき層上に、磁性材料からなる第2のめっき層を析出させる、
磁性膜の製造方法。 - 下地層と、前記下地層上に形成され、磁性材料からなるめっき層とを備えた磁性膜であって、
前記下地層は、貴金属元素及び卑金属元素を含む合金材料からなり、
前記貴金属元素及び前記卑金属元素の組み合わせは、(Rh、Cr)、(Ru、Cr)、(Pt、Cr)、(Pd、Ti)、(Pt、Ti)又は(Ru、Ti)の何れかであり、、
前記貴金属元素に対する前記卑金属元素の添加量が、5at%以上50at%以下の範囲にある、
磁性膜。 - 請求項4に記載された磁性膜であって、前記下地層の標準電極電位は、−1.00V以上0.70V以下の範囲にある、磁性膜。
- 請求項4又は5に記載された磁性膜であって、前記めっき層上に形成され、磁性材料からなる第2のめっき層を備えた磁性膜。
- 書込み素子と、読取素子と、スライダとを含む薄膜磁気ヘッドであって、
前記書込み素子または前記読取素子は、請求項4乃至6の何れかに記載された磁性膜を含み
前記スライダは、前記書込み素子及び前記読取素子を支持する、
薄膜磁気ヘッド。
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JP2006251390A JP4385043B2 (ja) | 2006-09-15 | 2006-09-15 | 磁性膜の製造方法及び磁性膜 |
US11/765,069 US8568908B2 (en) | 2006-09-15 | 2007-06-19 | Method for manufacturing magnetic film and magnetic film |
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JP2006251390A JP4385043B2 (ja) | 2006-09-15 | 2006-09-15 | 磁性膜の製造方法及び磁性膜 |
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JP4385043B2 true JP4385043B2 (ja) | 2009-12-16 |
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Family Cites Families (18)
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JPH0757934A (ja) | 1993-08-20 | 1995-03-03 | Matsushita Electric Ind Co Ltd | 軟磁性積層膜とその製造方法 |
JP3799168B2 (ja) * | 1998-08-20 | 2006-07-19 | 株式会社日立グローバルストレージテクノロジーズ | 磁気記録再生装置 |
JP3455155B2 (ja) * | 1999-06-28 | 2003-10-14 | アルプス電気株式会社 | 薄膜磁気ヘッド及びその製造方法 |
JP2001134910A (ja) * | 1999-08-26 | 2001-05-18 | Tdk Corp | 磁気抵抗センサ及び薄膜磁気ヘッド |
US6686072B2 (en) * | 2000-08-29 | 2004-02-03 | Showa Denko Kabushiki Kaisha | Magnetic recording medium, process and apparatus for producing the same, and magnetic recording and reproducing apparatus |
US20070111035A1 (en) * | 2000-12-28 | 2007-05-17 | Showa Denko K.K. | Magnetic recording medium, method of producing the same and magnetic recording and reproducing device |
JP3708827B2 (ja) | 2001-02-06 | 2005-10-19 | アルプス電気株式会社 | 薄膜磁気ヘッドおよびその製造方法 |
WO2003001614A1 (fr) * | 2001-06-26 | 2003-01-03 | Matsushita Electric Industrial Co., Ltd. | Dispositif magneto-resistif et procede de production |
JP2003123220A (ja) * | 2001-10-18 | 2003-04-25 | Fuji Electric Co Ltd | 磁気記録媒体、その製造方法、および、磁気記録装置 |
JP2003346317A (ja) * | 2002-05-23 | 2003-12-05 | Fuji Photo Film Co Ltd | 垂直磁気記録媒体 |
JP2005025890A (ja) | 2003-07-04 | 2005-01-27 | Fujitsu Ltd | 磁気ヘッド用磁性膜 |
JP2005085338A (ja) * | 2003-09-05 | 2005-03-31 | Fujitsu Ltd | 磁気記録媒体、磁気記憶装置、及び記録方法 |
JP2005086012A (ja) | 2003-09-09 | 2005-03-31 | Fujitsu Ltd | 磁性薄膜およびその製造方法並びに磁性薄膜を用いた磁気ヘッド |
JP2005268571A (ja) * | 2004-03-19 | 2005-09-29 | Hitachi Global Storage Technologies Netherlands Bv | 磁性膜およびその製造方法、薄膜磁気ヘッド |
JP2007035139A (ja) * | 2005-07-26 | 2007-02-08 | Hitachi Global Storage Technologies Netherlands Bv | 垂直磁気記録媒体及び磁気記録再生装置 |
JP4444182B2 (ja) * | 2005-07-26 | 2010-03-31 | 株式会社東芝 | 磁化容易軸方向を傾斜させた垂直磁気記録媒体、その製造法、及びそれを含む磁気記録再生装置 |
JP2007184022A (ja) | 2006-01-04 | 2007-07-19 | Alps Electric Co Ltd | 垂直磁気記録ヘッドの主磁極形成方法 |
US7675717B2 (en) * | 2006-12-12 | 2010-03-09 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic read head having increased electron exchange |
-
2006
- 2006-09-15 JP JP2006251390A patent/JP4385043B2/ja active Active
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2007
- 2007-06-19 US US11/765,069 patent/US8568908B2/en active Active
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US8568908B2 (en) | 2013-10-29 |
JP2008072055A (ja) | 2008-03-27 |
US20080070064A1 (en) | 2008-03-20 |
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