JP2011008899A - 近接場光発生装置およびその製造方法 - Google Patents
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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
- G11B5/3109—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
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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
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
- G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical 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
- G11B5/3163—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
- G11B5/3166—Testing or indicating in relation thereto, e.g. before the fabrication is completed
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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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
- G11B5/6088—Optical waveguide in or on flying head
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Magnetic Heads (AREA)
Abstract
【解決手段】近接場光発生装置15は、導波路31と、導波路31の上面31cの上に配置された緩衝層33と、金属層が不完全に酸化されて形成され、緩衝層33の上に配置された密着層38と、密着層38の上に配置された近接場光発生素子32を備えている。密着層38の面積抵抗の値は、酸化されていない金属層の面積抵抗の値よりも大きく、金属層が完全に酸化されて形成された層の面積抵抗の値よりも小さい。緩衝層33、密着層38および近接場光発生素子32からなる積層体におけるピール試験による付着強度は、緩衝層33および近接場光発生素子32からなる積層体における付着強度よりも大きい。
【選択図】図1
Description
Claims (10)
- 上面を有し、光を伝播させる導波路と、
前記導波路の屈折率よりも小さい屈折率を有し、前記導波路の上面の上に配置された緩衝層と、
金属層が不完全に酸化されて形成され、前記緩衝層の上に配置された密着層と、
前記密着層の上に配置された近接場光発生素子とを備え、
前記密着層の面積抵抗の値は、酸化されていない前記金属層の面積抵抗の値よりも大きく、前記金属層が完全に酸化されて形成された層の面積抵抗の値よりも小さく、
前記緩衝層、密着層および近接場光発生素子からなる積層体におけるピール試験による付着強度は、前記緩衝層および近接場光発生素子からなる積層体におけるピール試験による付着強度よりも大きく、
前記近接場光発生素子は、前記密着層および緩衝層を介して前記導波路の上面に対向する結合部と、近接場光を発生する近接場光発生部とを有し、
前記結合部において、前記導波路と前記緩衝層との界面において発生するエバネッセント光と結合することによって表面プラズモンが励起され、この表面プラズモンが前記近接場光発生部に伝播され、この表面プラズモンに基づいて前記近接場光発生部より前記近接場光が発生されることを特徴とする近接場光発生装置。 - 前記近接場光発生素子は、Ag、Auまたはこれらのうちの少なくとも一方を主成分とする合金によって形成され、前記密着層は、Ti、Ta、Sn、およびこれらのうちの少なくとも1つを主成分とする合金のいずれかよりなる金属層が不完全に酸化されて形成された層であることを特徴とする請求項1記載の近接場光発生装置。
- 前記近接場光発生素子は、前記結合部を含み、一方向に長いエッジ部を有し、前記近接場光発生部は、前記エッジ部の一端に位置していることを特徴とする請求項1記載の近接場光発生装置。
- 上面を有し、光を伝播させる導波路と、
前記導波路の屈折率よりも小さい屈折率を有し、前記導波路の上面の上に配置された緩衝層と、
金属層が不完全に酸化されて形成され、前記緩衝層の上に配置された密着層と、
前記密着層の上に配置された近接場光発生素子とを備え、
前記密着層の面積抵抗の値は、酸化されていない前記金属層の面積抵抗の値よりも大きく、前記金属層が完全に酸化されて形成された層の面積抵抗の値よりも小さく、
前記緩衝層、密着層および近接場光発生素子からなる積層体におけるピール試験による付着強度は、前記緩衝層および近接場光発生素子からなる積層体におけるピール試験による付着強度よりも大きく、
前記近接場光発生素子は、前記密着層および緩衝層を介して前記導波路の上面に対向する結合部と、近接場光を発生する近接場光発生部とを有し、
前記結合部において、前記導波路と前記緩衝層との界面において発生するエバネッセント光と結合することによって表面プラズモンが励起され、この表面プラズモンが前記近接場光発生部に伝播され、この表面プラズモンに基づいて前記近接場光発生部より前記近接場光が発生される近接場光発生装置を製造する方法であって、
前記導波路を形成する工程と、
前記導波路の上面の上に前記緩衝層を形成する工程と、
前記緩衝層の上に前記金属層を形成する工程と、
前記金属層が前記密着層になるように前記金属層を不完全に酸化させる工程と、
前記密着層の上に前記近接場光発生素子を形成する工程と
を備えたことを特徴とする近接場光発生装置の製造方法。 - 前記近接場光発生素子は、Ag、Auまたはこれらのうちの少なくとも一方を主成分とする合金によって形成され、前記密着層は、Ti、Ta、Sn、およびこれらのうちの少なくとも1つを主成分とする合金のいずれかよりなる金属層が不完全に酸化されて形成された層であることを特徴とする請求項4記載の近接場光発生装置の製造方法。
- 磁気記録媒体に対向する媒体対向面と、
前記媒体対向面に配置された端面を有し、情報を前記磁気記録媒体に記録するための記録磁界を発生する磁極と、
請求項1記載の近接場光発生装置とを備え、
前記近接場光発生部は、前記媒体対向面に配置され、
前記近接場光発生装置は、前記記録磁界によって前記磁気記録媒体に情報を記録する際に前記磁気記録媒体に照射される近接場光を発生することを特徴とする熱アシスト磁気記録ヘッド。 - 前記近接場光発生素子は、Ag、Auまたはこれらのうちの少なくとも一方を主成分とする合金によって形成され、前記密着層は、Ti、Ta、Sn、およびこれらのうちの少なくとも1つを主成分とする合金のいずれかよりなる金属層が不完全に酸化されて形成された層であることを特徴とする請求項6記載の熱アシスト磁気記録ヘッド。
- 前記近接場光発生素子は、前記結合部を含み、一方向に長いエッジ部を有し、前記近接場光発生部は、前記エッジ部の一端に位置していることを特徴とする請求項6記載の熱アシスト磁気記録ヘッド。
- 請求項6記載の熱アシスト磁気記録ヘッドと、前記熱アシスト磁気記録ヘッドを支持するサスペンションとを備えたヘッドジンバルアセンブリ。
- 磁気記録媒体と、請求項6記載の熱アシスト磁気記録ヘッドと、前記熱アシスト磁気記録ヘッドを支持すると共に前記磁気記録媒体に対して位置決めする位置決め装置とを備えた磁気記録装置。
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013149339A (ja) * | 2012-01-19 | 2013-08-01 | Headway Technologies Inc | プラズモンジェネレータの製造方法 |
JP2014010882A (ja) * | 2012-06-29 | 2014-01-20 | Seagate Technology Llc | 近接場トランスデューサを備える装置 |
US8767348B1 (en) | 2013-03-07 | 2014-07-01 | Tdk Corporation | Thermally-assisted magnetic recording head including first and second cladding sections having different characteristics |
US8873185B2 (en) | 2013-03-25 | 2014-10-28 | Tdk Corporation | Thermally-assisted magnetic recording head |
US9129620B2 (en) | 2013-06-24 | 2015-09-08 | Seagate Technology Llc | Devices including at least one adhesion layer and methods of forming adhesion layers |
JP2015165446A (ja) * | 2014-02-28 | 2015-09-17 | シーゲイト テクノロジー エルエルシー | 装置および方法 |
US9263074B2 (en) | 2013-11-08 | 2016-02-16 | Seagate Technology Llc | Devices including at least one adhesion layer |
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Publication number | Priority date | Publication date | Assignee | Title |
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US8102736B2 (en) * | 2009-07-01 | 2012-01-24 | Tdk Corporation | Near-field light generator comprising waveguide with inclined end surface |
US8208349B2 (en) * | 2010-01-15 | 2012-06-26 | Tdk Corporation | Thermally-assisted magnetic recording head having a gap between propagation edge and magnetic pole |
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US11043240B1 (en) * | 2020-02-25 | 2021-06-22 | Headway Technologies, Inc. | RhIr alloy near-field transducer with Rh template layer in a thermally assisted magnetic recording (TAMR) application |
US11805702B2 (en) * | 2021-05-06 | 2023-10-31 | Yimin Guo | Methods of forming perpendicular magnetoresistive elements using sacrificial layers |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005116155A (ja) * | 2003-10-10 | 2005-04-28 | Seagate Technology Llc | 熱支援された磁気および光データ記憶のための近視野光トランスジューサ |
JP2008164768A (ja) * | 2006-12-27 | 2008-07-17 | Asahi Glass Co Ltd | 反射鏡 |
JP2008257819A (ja) * | 2007-04-06 | 2008-10-23 | Tdk Corp | 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69632534T2 (de) * | 1995-03-27 | 2005-06-02 | Suntory Ltd. | Verfahren zur herstellung einer osmotischen drucktoleranten pflanze |
JP3882456B2 (ja) | 2000-03-13 | 2007-02-14 | 株式会社日立製作所 | 近接場光プローブおよびそれを用いた近接場光学顕微鏡および光記録/再生装置 |
JP4032689B2 (ja) | 2001-10-04 | 2008-01-16 | 株式会社日立製作所 | 近接場光を用いた測定装置/記録再生装置 |
US7454095B2 (en) | 2004-04-27 | 2008-11-18 | California Institute Of Technology | Integrated plasmon and dielectric waveguides |
JP2006269690A (ja) | 2005-03-23 | 2006-10-05 | Fujitsu Ltd | 軟磁性薄膜および磁気記録ヘッド |
JP2008159192A (ja) | 2006-12-25 | 2008-07-10 | Tdk Corp | 近接場光発生板、熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ、及び、ハードディスク装置 |
JP2009007634A (ja) | 2007-06-28 | 2009-01-15 | Ulvac Seimaku Kk | 銀合金膜のエッチング方法およびエッチング溶液 |
JP2009054867A (ja) * | 2007-08-28 | 2009-03-12 | Tdk Corp | 半導体レーザ素子構造体、熱アシスト磁気ヘッド及びその製造方法 |
US7821732B2 (en) * | 2008-09-25 | 2010-10-26 | Tdk Corporation | Thermally assisted magnetic head having an asymmetric plasmon antenna and manufacturing method thereof |
-
2009
- 2009-06-24 US US12/457,886 patent/US8040761B2/en active Active
- 2009-12-24 JP JP2009291784A patent/JP2011008899A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005116155A (ja) * | 2003-10-10 | 2005-04-28 | Seagate Technology Llc | 熱支援された磁気および光データ記憶のための近視野光トランスジューサ |
JP2008164768A (ja) * | 2006-12-27 | 2008-07-17 | Asahi Glass Co Ltd | 反射鏡 |
JP2008257819A (ja) * | 2007-04-06 | 2008-10-23 | Tdk Corp | 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置 |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013149339A (ja) * | 2012-01-19 | 2013-08-01 | Headway Technologies Inc | プラズモンジェネレータの製造方法 |
US9281003B2 (en) | 2012-04-25 | 2016-03-08 | Seagate Technology Llc | Devices including near field transducer and adhesion layers |
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JP2015165446A (ja) * | 2014-02-28 | 2015-09-17 | シーゲイト テクノロジー エルエルシー | 装置および方法 |
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