WO2009069232A1 - 磁気記録ヘッドの製造方法および磁気記録ヘッドの主磁極の製造方法 - Google Patents
磁気記録ヘッドの製造方法および磁気記録ヘッドの主磁極の製造方法 Download PDFInfo
- Publication number
- WO2009069232A1 WO2009069232A1 PCT/JP2007/073225 JP2007073225W WO2009069232A1 WO 2009069232 A1 WO2009069232 A1 WO 2009069232A1 JP 2007073225 W JP2007073225 W JP 2007073225W WO 2009069232 A1 WO2009069232 A1 WO 2009069232A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetic
- manufacturing
- magnetic pole
- insulating layer
- recording head
- Prior art date
Links
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
- G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/11—Shielding of head against electric or magnetic fields
- G11B5/112—Manufacture of shielding device
-
- 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
- G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
- G11B5/315—Shield layers on both sides of the main pole, e.g. in perpendicular magnetic heads
-
- 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
Abstract
磁極の側方に配置するサイドシールドの磁極に対する高さ位置を任意に設定可能として、サイドシールドによる作用を最適化した磁気記録ヘッドを提供可能とする。 ワークの表面に、第1の非磁性絶縁層30と、サイドシールドを形成する第1の磁性層32と、第2の非磁性絶縁層34とを順次積層する第1の成膜工程と、前記第2の非磁性絶縁層34上に、前記主磁極となる部位を露出させたマスク36を形成するマスク形成工程と、前記マスク36により被覆した状態で、前記第1の磁性層32の厚さ方向の中途位置、または前記第1の非磁性絶縁層30の厚さ方向の中途位置までエッチングして溝38を形成するエッチング工程と、前記第2の非磁性絶縁層34上および前記溝38上に、第1の非磁性層と主磁極を形成する第2の磁性層とを順次積層する第2の成膜工程とを備える。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/073225 WO2009069232A1 (ja) | 2007-11-30 | 2007-11-30 | 磁気記録ヘッドの製造方法および磁気記録ヘッドの主磁極の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/073225 WO2009069232A1 (ja) | 2007-11-30 | 2007-11-30 | 磁気記録ヘッドの製造方法および磁気記録ヘッドの主磁極の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009069232A1 true WO2009069232A1 (ja) | 2009-06-04 |
Family
ID=40678148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/073225 WO2009069232A1 (ja) | 2007-11-30 | 2007-11-30 | 磁気記録ヘッドの製造方法および磁気記録ヘッドの主磁極の製造方法 |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2009069232A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8189293B1 (en) | 2011-04-28 | 2012-05-29 | Hitachi Global Storage Technologies Netherlands B.V. | Perpendicular magnetic recording head having a grooved wrap around shield and method for manufacturing the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003016609A (ja) * | 2001-06-29 | 2003-01-17 | Hitachi Ltd | 磁気ヘッド及び磁気ディスク装置 |
JP2006018985A (ja) * | 2004-07-01 | 2006-01-19 | Headway Technologies Inc | 垂直磁気記録用磁気ヘッドおよびその製造方法 |
JP2006252753A (ja) * | 2005-03-07 | 2006-09-21 | Headway Technologies Inc | 垂直磁気記録用磁気ヘッドおよびその製造方法 |
JP2007207419A (ja) * | 2006-02-02 | 2007-08-16 | Headway Technologies Inc | 垂直磁気記録ヘッドおよびその製造方法 |
JP2007294059A (ja) * | 2006-04-27 | 2007-11-08 | Hitachi Global Storage Technologies Netherlands Bv | 垂直記録磁気ヘッド |
-
2007
- 2007-11-30 WO PCT/JP2007/073225 patent/WO2009069232A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003016609A (ja) * | 2001-06-29 | 2003-01-17 | Hitachi Ltd | 磁気ヘッド及び磁気ディスク装置 |
JP2006018985A (ja) * | 2004-07-01 | 2006-01-19 | Headway Technologies Inc | 垂直磁気記録用磁気ヘッドおよびその製造方法 |
JP2006252753A (ja) * | 2005-03-07 | 2006-09-21 | Headway Technologies Inc | 垂直磁気記録用磁気ヘッドおよびその製造方法 |
JP2007207419A (ja) * | 2006-02-02 | 2007-08-16 | Headway Technologies Inc | 垂直磁気記録ヘッドおよびその製造方法 |
JP2007294059A (ja) * | 2006-04-27 | 2007-11-08 | Hitachi Global Storage Technologies Netherlands Bv | 垂直記録磁気ヘッド |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8189293B1 (en) | 2011-04-28 | 2012-05-29 | Hitachi Global Storage Technologies Netherlands B.V. | Perpendicular magnetic recording head having a grooved wrap around shield and method for manufacturing the same |
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