JP2007095170A - 薄膜磁気ヘッドの製造方法 - Google Patents
薄膜磁気ヘッドの製造方法 Download PDFInfo
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- JP2007095170A JP2007095170A JP2005283169A JP2005283169A JP2007095170A JP 2007095170 A JP2007095170 A JP 2007095170A JP 2005283169 A JP2005283169 A JP 2005283169A JP 2005283169 A JP2005283169 A JP 2005283169A JP 2007095170 A JP2007095170 A JP 2007095170A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000010409 thin film Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 123
- 238000005498 polishing Methods 0.000 claims abstract description 22
- 238000000231 atomic layer deposition Methods 0.000 claims description 13
- 238000005229 chemical vapour deposition Methods 0.000 claims description 11
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 209
- 239000012792 core layer Substances 0.000 description 26
- 238000007747 plating Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 239000010408 film Substances 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000011368 organic material Substances 0.000 description 5
- 238000007665 sagging Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229910003321 CoFe Inorganic materials 0.000 description 1
- 229910019233 CoFeNi Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
-
- 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
- G11B5/3109—Details
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information 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
- G11B5/127—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
- G11B5/3169—Working or finishing the interfacing surface of heads, e.g. lapping of heads
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49039—Fabricating head structure or component thereof including measuring or testing with dual gap materials
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
- Y10T29/49052—Machining magnetic material [e.g., grinding, etching, polishing] by etching
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/4906—Providing winding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
【解決手段】下部コイル層10の各導体部10aの少なくとも側壁面10c上に沿って無機絶縁層11を形成し、各導体部10a間を有機絶縁層12で埋め、前記導体部10aの上面10b、磁極部7、接続層8を同一平面となるように、有機絶縁層12及び無機絶縁層11とともに研磨する。各導体部10aの上面10bを研磨している最中、硬質な前記無機絶縁層11が各導体部10aが研磨によってだれるのを抑制し、よって各導体部10a間が短絡するのを適切に防止できる。また、各導体部10a間を有機絶縁層12で埋めることで、各導体部10a間に空洞が形成されることなく適切に各導体部10a間を埋めることが可能である。
【選択図】図6
Description
(b) 前記第1の磁性部上の前記隆起部と前記接続部との間に、絶縁下地層を介してコイル層を形成する工程、
(c) 前記コイル層を構成する各導体部の少なくとも側壁面上に沿って、無機絶縁層を形成する工程、
(d) 各導体部間を有機絶縁層にて埋める工程、
(e) 前記隆起部の上面、各導体部の上面、及び前記接続部の上面を所定の研磨位置まで前記有機絶縁層及び無機絶縁層とともに削り、前記隆起部、各導体部及び接続部の各上面を同一平面にて露出させる工程、
(f) 前記隆起部上から前記接続部上にかけて第2の磁性部を形成する工程。
これにより、より適切に導体部の上面のだれ発生を抑制することが出来る。
7 磁極部
8、33 接続層
9、13 絶縁下地層
10、35 下部コイル層
10a、35a 導体部
10b (導体部の)上面
10c (導体部の)側壁面
11 無機絶縁層
12 有機絶縁層
14、59 上部コイル層
15 コイル絶縁層
16 上部コア層
32 隆起層
41 上部磁極層
42 上部コア層
Claims (6)
- 以下の工程を有することを特徴とする薄膜磁気ヘッドの製造方法。
(a) 第1の磁性部上の記録媒体との対向面側に隆起部と、前記第1の磁性部上のハイト側に、前記第1の磁性部と(f)工程で形成される第2の磁性部とを磁気的に接続するための接続部とを形成する工程、
(b) 前記第1の磁性部上の前記隆起部と前記接続部との間に、絶縁下地層を介してコイル層を形成する工程、
(c) 前記コイル層を構成する各導体部の少なくとも側壁面上に沿って、無機絶縁層を形成する工程、
(d) 各導体部間を有機絶縁層にて埋める工程、
(e) 前記隆起部の上面、各導体部の上面、及び前記接続部の上面を所定の研磨位置まで前記有機絶縁層及び無機絶縁層とともに削り、前記隆起部、各導体部及び接続部の各上面を同一平面にて露出させる工程、
(f) 前記隆起部上から前記接続部上にかけて第2の磁性部を形成する工程。 - 前記(c)工程で、前記無機絶縁層を、各導体部の上面と側壁面との上縁部から前記側壁面上に沿って、少なくとも前記(e)工程での前記研磨位置よりも下側にまで形成する請求項1記載の薄膜磁気ヘッドの製造方法。
- 前記無機絶縁層を、化学蒸着法にて形成する請求項1又は2に記載の薄膜磁気ヘッドの製造方法。
- 前記無機絶縁層を、原子層蒸着法にて形成する請求項3記載の薄膜磁気ヘッドの製造方法。
- 前記無機絶縁層に使用される無機絶縁材料を、前記導体部及び有機絶縁層よりも研磨速度が遅い材質の中から選択する請求項1ないし4のいずれかに記載の薄膜磁気ヘッドの製造方法。
- 前記無機絶縁層を、Al2O3、HfO2、TiO2、Ta2O5の少なくともいずれか1つから選択する請求項5記載の薄膜磁気ヘッドの製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005283169A JP2007095170A (ja) | 2005-09-29 | 2005-09-29 | 薄膜磁気ヘッドの製造方法 |
US11/527,892 US7343669B2 (en) | 2005-09-29 | 2006-09-27 | Method of manufacturing a thin film magnetic head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005283169A JP2007095170A (ja) | 2005-09-29 | 2005-09-29 | 薄膜磁気ヘッドの製造方法 |
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JP2007095170A true JP2007095170A (ja) | 2007-04-12 |
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JP2005283169A Pending JP2007095170A (ja) | 2005-09-29 | 2005-09-29 | 薄膜磁気ヘッドの製造方法 |
Country Status (2)
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US (1) | US7343669B2 (ja) |
JP (1) | JP2007095170A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US8896966B2 (en) * | 2013-04-19 | 2014-11-25 | HGST Netherlands B.V. | Magnetic write head having a coil adjacent to the main pole |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6204997B1 (en) * | 1998-05-19 | 2001-03-20 | Tdk Corporation | Thin film magnetic head with a plurality of engaged thin-film coils and method of manufacturing the same |
JP3747135B2 (ja) | 1999-08-06 | 2006-02-22 | 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 |
JP3529678B2 (ja) | 1999-10-06 | 2004-05-24 | 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 |
JP2001256610A (ja) * | 2000-03-09 | 2001-09-21 | Alps Electric Co Ltd | 薄膜磁気ヘッド及びその製造方法 |
JP2001291210A (ja) * | 2000-04-03 | 2001-10-19 | Alps Electric Co Ltd | 薄膜磁気ヘッド |
US7037421B2 (en) * | 2000-05-19 | 2006-05-02 | Alps Electric Co., Ltd. | Thin-film magnetic head having magnetic gap formed of NiP |
-
2005
- 2005-09-29 JP JP2005283169A patent/JP2007095170A/ja active Pending
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2006
- 2006-09-27 US US11/527,892 patent/US7343669B2/en not_active Expired - Fee Related
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US7343669B2 (en) | 2008-03-18 |
US20070067983A1 (en) | 2007-03-29 |
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