JP2015130229A - 書き込みポールチップを備える装置 - Google Patents
書き込みポールチップを備える装置 Download PDFInfo
- Publication number
- JP2015130229A JP2015130229A JP2015048060A JP2015048060A JP2015130229A JP 2015130229 A JP2015130229 A JP 2015130229A JP 2015048060 A JP2015048060 A JP 2015048060A JP 2015048060 A JP2015048060 A JP 2015048060A JP 2015130229 A JP2015130229 A JP 2015130229A
- Authority
- JP
- Japan
- Prior art keywords
- pole tip
- write pole
- angle
- slope
- write
- 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.)
- Pending
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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
- G11B5/127—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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Heads (AREA)
Abstract
Description
本発明に係る特定の実施例は、全体として凸形状を有する書き込みポールチップを含む装置に関する。
本開示は、磁気記録ヘッドに使用される書き込みポールに関する。当業者は、書き込みポールを利用する磁気記録ヘッドが多くのデータ記録装置に設けられることを理解するであろう。
Claims (18)
- 第1の上部斜面と第2の上部斜面とを有する書き込みポールチップを備える装置であって、書き込みポールチップの空気ベアリング面に垂直な面に対して、第1の上部斜面の角度は、第2の上部斜面の角度よりも大きい、装置。
- 書き込みポールチップに隣接し、第1の上部斜面の角度と実質的に同じ角度を有するフロントシールドをさらに備える、請求項1に記載の装置。
- 書き込みポールチップは、さらに底部斜面を含む、請求項1に記載の装置。
- 第1の上部斜面は、第2の上部斜面よりも空気ベアリング面の近くに配置されている、請求項1に記載の装置。
- 書き込みポールチップは、3つ以上の上部斜面を有する、請求項1に記載の装置。
- 書き込みポールパドルと空気ベアリング面との間に凸形状を形成し、単調に減少する傾斜面である上面を含む書き込みポールチップを備える、装置。
- 凸形状は、少なくとも2つの斜面を有する、請求項6に記載の装置。
- 上面は、書き込みポールチップの前縁に配置される、請求項6に記載の装置。
- 書き込みポールチップの空気ベアリング面に垂直な面に対する第1の上部斜面の角度は、第2の上部斜面よりも大きい、請求項6に記載の装置。
- 凸形状は、継続的に傾斜して減少する、請求項6に記載の装置。
- 上面は、書き込みポールに隣接して配置されるフロントシールドに面する、請求項6に記載の装置。
- 書き込みポールチップは、底部斜面を含む、請求項6に記載の装置。
- 第1の上部斜面と第2の上部斜面とを有する書き込みポールチップを備え、書き込みポールチップの空気ベアリング面に垂直な面に対する第1の上部斜面の角度は、第2の上部斜面の角度とは異なる、装置。
- 書き込みポールチップに隣接し、第1の上部斜面の角度と実質的に同じ角度を有するフロントシールドを備える、請求項13に記載の装置。
- 書き込みポールチップは、3つ以上の上部斜面を有する、請求項13に記載の装置。
- 書き込みポールチップは、底部斜面をさらに有する、請求項13に記載の装置。
- 書き込みポールチップは、凹形状を有する底部斜面を含む、請求項13に記載の装置。
- 書き込みポールチップは、3つ以上の上部斜面を有する、請求項13に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/173,854 US8233233B1 (en) | 2011-06-30 | 2011-06-30 | Devices including a write pole tip with a convex shape |
US13/173,854 | 2011-06-30 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012144249A Division JP5933369B2 (ja) | 2011-06-30 | 2012-06-27 | 書き込みポールチップを備える装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2015130229A true JP2015130229A (ja) | 2015-07-16 |
Family
ID=46547626
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012144249A Expired - Fee Related JP5933369B2 (ja) | 2011-06-30 | 2012-06-27 | 書き込みポールチップを備える装置 |
JP2015048060A Pending JP2015130229A (ja) | 2011-06-30 | 2015-03-11 | 書き込みポールチップを備える装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012144249A Expired - Fee Related JP5933369B2 (ja) | 2011-06-30 | 2012-06-27 | 書き込みポールチップを備える装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8233233B1 (ja) |
JP (2) | JP5933369B2 (ja) |
MY (1) | MY154033A (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8381392B2 (en) * | 2010-05-11 | 2013-02-26 | Seagate Technology Llc | Method for manufacturing a self-aligned bevel for a write pole |
US8734894B2 (en) | 2010-05-11 | 2014-05-27 | Seagate Technology Llc | Self-aligned bevels for write poles |
US8582234B2 (en) * | 2011-04-25 | 2013-11-12 | Seagate Technology Llc | Shaped magnetic write pole |
US8705205B1 (en) * | 2011-06-27 | 2014-04-22 | Western Digital (Fremont), Llc | Magnetic recording head having a dual sidewall angle |
US8520336B1 (en) * | 2011-12-08 | 2013-08-27 | Western Digital (Fremont), Llc | Magnetic recording head with nano scale pole tip bulge |
US8520337B1 (en) * | 2012-03-30 | 2013-08-27 | Western Digital (Fremont), Llc | Perpendicular magnetic recording writer pole with leading and trailing bevel side wall angles at air bearing surface |
US8619509B1 (en) * | 2012-08-08 | 2013-12-31 | Seagate Technology Llc | Write pole design |
US9478236B1 (en) | 2012-09-28 | 2016-10-25 | Western Digital (Fremont), Llc | Perpendicular magnetic recording write head |
US9123886B2 (en) | 2013-03-05 | 2015-09-01 | Headway Technologies, Inc. | High moment wrap-around shields for magnetic read head improvements |
US9111564B1 (en) | 2013-04-02 | 2015-08-18 | Western Digital (Fremont), Llc | Magnetic recording writer having a main pole with multiple flare angles |
US9263067B1 (en) | 2013-05-29 | 2016-02-16 | Western Digital (Fremont), Llc | Process for making PMR writer with constant side wall angle |
US9318131B2 (en) * | 2013-06-28 | 2016-04-19 | Seagate Technology Llc | Write gap structure for a magnetic recording head |
US9275657B1 (en) | 2013-08-14 | 2016-03-01 | Western Digital (Fremont), Llc | Process for making PMR writer with non-conformal side gaps |
US9343086B1 (en) * | 2013-09-11 | 2016-05-17 | Western Digital (Fremont), Llc | Magnetic recording write transducer having an improved sidewall angle profile |
US9390733B2 (en) * | 2013-10-10 | 2016-07-12 | HGST Netherlans B.V. | Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structure |
US9019659B1 (en) * | 2013-10-11 | 2015-04-28 | Seagate Technology Llc | Write pole with varying bevel angles |
US9218825B2 (en) | 2013-10-11 | 2015-12-22 | Seagate Technology Llc | T-shaped write pole |
US9135933B2 (en) * | 2013-11-08 | 2015-09-15 | HGST Netherlands B.V. | Tapered write head for MAMR |
US9280990B1 (en) | 2013-12-11 | 2016-03-08 | Western Digital (Fremont), Llc | Method for fabricating a magnetic writer using multiple etches |
US9082423B1 (en) * | 2013-12-18 | 2015-07-14 | Western Digital (Fremont), Llc | Magnetic recording write transducer having an improved trailing surface profile |
CN105830156B (zh) * | 2013-12-27 | 2017-10-20 | Hoya株式会社 | 磁盘用基板和磁盘 |
US9305583B1 (en) | 2014-02-18 | 2016-04-05 | Western Digital (Fremont), Llc | Method for fabricating a magnetic writer using multiple etches of damascene materials |
US8988825B1 (en) | 2014-02-28 | 2015-03-24 | Western Digital (Fremont, LLC | Method for fabricating a magnetic writer having half-side shields |
US9171557B1 (en) | 2014-11-07 | 2015-10-27 | Seagate Technology Llc | Write pole paddle |
US9899042B1 (en) | 2016-02-08 | 2018-02-20 | Seagate Technology Llc | Data writer with laminated front shield |
US9799357B1 (en) | 2016-11-08 | 2017-10-24 | Headway Technologies, Inc. | Magnetic reader sensor with shield spacing improvement and better pin flop robustness |
US11087783B1 (en) | 2020-06-30 | 2021-08-10 | Western Digital Technologies, Inc. | Magnetic recording head soft error rate improvement with compact main pole |
Citations (2)
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JP2005166259A (ja) * | 2005-02-14 | 2005-06-23 | Hitachi Global Storage Technologies Inc | 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置 |
JP2009295262A (ja) * | 2008-06-03 | 2009-12-17 | Headway Technologies Inc | 薄膜磁気ヘッドおよびその製造方法並びにヘッドジンバルアセンブリおよびハードディスク装置 |
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US5729413A (en) | 1995-12-20 | 1998-03-17 | Ampex Corporation | Two-gap magnetic read/write head |
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US6693768B1 (en) * | 2000-03-15 | 2004-02-17 | Seagate Technology Llc | Perpendicular magnetic recording head having a flux focusing main pole |
US6621659B1 (en) | 2000-06-20 | 2003-09-16 | Seagate Technology Llc | Recording head with throat height defined by nonmagnetic recess in shared pole |
US7100266B2 (en) * | 2001-05-16 | 2006-09-05 | Seagate Technology Llc | Method of forming a beveled writing pole of a perpendicular writing element |
US7133253B1 (en) | 2002-06-03 | 2006-11-07 | Western Digital (Fremont), Inc. | Pole tip with sides flared at media-facing surface |
JP2004103092A (ja) | 2002-09-09 | 2004-04-02 | Hitachi Ltd | 垂直記録用磁気ヘッド及びその製造方法、並びに垂直記録用磁気ヘッドを搭載した磁気ディスク装置 |
US7116517B1 (en) | 2002-12-18 | 2006-10-03 | Western Digital (Fremont), Inc. | Stitched pole write element with a T-shaped pole tip portion |
US8643979B2 (en) | 2003-05-23 | 2014-02-04 | The Regents Of The University Of California | Tapered single pole magnetic heads for perpendicular magnetic recording |
US7151647B2 (en) | 2003-10-10 | 2006-12-19 | Headway Technologies, Inc. | Thin film magnetic head and manufacturing method for creating high surface recording density and including a second yoke portion having two layers of which one is etched to form a narrow portion and a sloped flare portion |
US7324304B1 (en) * | 2003-11-20 | 2008-01-29 | Maxtor Corporation | Tapered write pole for reduced skew effect |
US7193815B1 (en) | 2004-04-06 | 2007-03-20 | Western Digital (Fremont), Inc. | Shielded pole magnetic head for perpendicular recording |
US7672079B2 (en) | 2004-07-07 | 2010-03-02 | Headway Technologies, Inc. | Pole width control on plated bevel main pole design of a perpendicular magnetic recording head |
JP2006244671A (ja) * | 2005-03-07 | 2006-09-14 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ヘッド及びその製造方法 |
US7791839B2 (en) * | 2006-09-14 | 2010-09-07 | Hitachi Global Storage Technologies Netherlands B.V. | Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip |
US7924528B2 (en) * | 2007-09-05 | 2011-04-12 | Headway Technologies, Inc. | Magnetic head for perpendicular magnetic recording and method of manufacturing same |
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US8625234B2 (en) * | 2008-04-29 | 2014-01-07 | Headway Technologies, Inc. | Graded bevel tapered write pole design for field enhancement |
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US8085497B2 (en) | 2008-12-22 | 2011-12-27 | Hitachi Global Storage Technologies Netherlands B.V. | Method of multi-angled bump processing for magnetic pole fabrication and systems thereof |
US8233234B2 (en) | 2008-12-23 | 2012-07-31 | Hitachi Global Storage Technologies Netherlands B.V. | Stepped main pole for perpendicular write heads in hard disk drives and method of making same |
US8264792B2 (en) * | 2009-05-04 | 2012-09-11 | Headway Technologies, Inc. | PMR writer device with multi-level tapered write pole |
JP5813916B2 (ja) * | 2009-10-30 | 2015-11-17 | エイチジーエスティーネザーランドビーブイ | 垂直磁気記録ヘッド |
US8477453B2 (en) * | 2010-05-05 | 2013-07-02 | Headway Technologies, Inc. | Perpendicular magnetic recording write head with milling defined track width |
-
2011
- 2011-06-30 US US13/173,854 patent/US8233233B1/en active Active
-
2012
- 2012-06-22 MY MYPI2012002887A patent/MY154033A/en unknown
- 2012-06-27 JP JP2012144249A patent/JP5933369B2/ja not_active Expired - Fee Related
-
2015
- 2015-03-11 JP JP2015048060A patent/JP2015130229A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005166259A (ja) * | 2005-02-14 | 2005-06-23 | Hitachi Global Storage Technologies Inc | 垂直記録用磁気ヘッド及びそれを搭載した磁気ディスク装置 |
JP2009295262A (ja) * | 2008-06-03 | 2009-12-17 | Headway Technologies Inc | 薄膜磁気ヘッドおよびその製造方法並びにヘッドジンバルアセンブリおよびハードディスク装置 |
Also Published As
Publication number | Publication date |
---|---|
MY154033A (en) | 2015-04-30 |
JP2013016250A (ja) | 2013-01-24 |
JP5933369B2 (ja) | 2016-06-08 |
US8233233B1 (en) | 2012-07-31 |
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