JP2013229094A - 近接場トランスデューサを備える装置、エネルギ源と導波路と近接場トランスデューサとを備える装置およびディスクドライブ - Google Patents
近接場トランスデューサを備える装置、エネルギ源と導波路と近接場トランスデューサとを備える装置およびディスクドライブ Download PDFInfo
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/08—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for using near-field interactions or transducing means and at least one other method or means for recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
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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
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
- G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
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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
- G11B5/48—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
- G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/4866—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives the arm comprising an optical waveguide, e.g. for thermally-assisted recording
-
- 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
-
- 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)
- Recording Or Reproducing By Magnetic Means (AREA)
- Magnetic Heads (AREA)
Abstract
【解決手段】近接場トランスデューサは、導電性窒化物を含み、光源からの光線は導波路を経由して最終的に近接場トランスデューサに伝達される。
【選択図】図3
Description
本出願は、2012年4月24日に出願され、その開示が引用によりこの明細書中に援用される米国仮出願番号61/637696、発明の名称「窒化物を含む近接場トランスデューサ(NFT)」(ドケット番号430.17123000)に基づく優先権を主張する。
熱補助磁気記録において、情報ビットが高温でデータ記憶媒体に記録され、データビットの寸法は、記憶媒体において加熱された領域の寸法または磁場を浴びた領域の寸法により決められる。1つの方法では、光ビームを記憶媒体上の小さな光スポットに集中させることにより、媒体の一部を加熱し、加熱された部分の磁気保磁力を低下させる。その後、データがこの保磁力が低下された領域に書込まれる。
本願は、近接場トランスデューサを備える装置を開示している。近接場トランスデューサは、導電性窒化物を含む。
図面は、必ずしも一定の縮尺で描かれてない。図面に使用される同様の番号は同様の構成要素を示す。しかしながら、ある特定の図において構成要素を示すための番号の使用は、別の図において同じ番号が付された構成要素を制限することを意図するものではないことが理解されるであろう。
Claims (20)
- 近接場トランスデューサを備える装置であって、
前記近接場トランスデューサは、導電性窒化物を含む、装置。 - 前記近接場トランスデューサは、TiN、ZrN、TaN、HfN、またはそれらの組合わせを含む、請求項1に記載の装置。
- 前記近接場トランスデューサの全体は、導電性窒化物を含む、請求項1に記載の装置。
- 前記近接場トランスデューサは、導電性窒化物のみを含む、請求項3に記載の装置。
- 前記近接場トランスデューサは、留めくぎおよびディスク構造を有し、前記留めくぎのみが導電性窒化物を含む、請求項1に記載の装置。
- 前記近接場トランスデューサの前記ディスクは金を含む、請求項6に記載の装置。
- 前記近接場トランスデューサの全体は、実質的にTiN、ZrN、TaN、HfN、またはそれらの組合わせからなる、請求項1に記載の装置。
- 前記装置はさらにエネルギ源を含み、前記エネルギ源は約300nm〜約2000nmの波長を有するエネルギを発生する、請求項1に記載の装置。
- 前記近接場トランスデューサの一部のみが導電性窒化物を含む、請求項5に記載の装置。
- 前記近接場トランスデューサは、導電性窒化物材料からなる層を少なくとも1つ含む、請求項9に記載の装置。
- 前記少なくとも1つの層は、前記近接場トランスデューサの底部に位置する、請求項10に記載の装置。
- 前記近接場トランスデューサは、導電性窒化物材料および別のプラズモン性非窒化物材料から形成される多層構造を含む、請求項10に記載の装置。
- 前記導電性窒化物は、前記近接場トランスデューサの全体に分散される、請求項1に記載の装置。
- 前記導電性窒化物は、別のプラズモン性非窒化物材料中のドープ剤である、請求項13に記載の装置。
- 別のプラズモン性非窒化物材料が、前記導電性窒化物材料中のドープ剤である、請求項13に記載の装置。
- エネルギ源と導波路と近接場トランスデューサとを備える装置であって、
前記近接場トランスデューサは、導電性窒化物を含み、
前記のエネルギ源と導波路と近接場トランスデューサとは、前記エネルギ源からの光線を前記導波路を経由して最終的に前記近接場トランスデューサに伝達するように構成される、装置。 - 前記近接場トランスデューサは、TiN、ZrN、TaN、HfN、またはそれらの組合わせを含む、請求項16に記載の装置。
- 前記近接場トランスデューサは、TiN、ZrN、TaN、HfN、またはそれらの組合わせと、Au、Ag、Cu、またはそれらの合金から選択される非窒化物材料とを含む、請求項16に記載の装置。
- ディスクドライブであって、
少なくとも1つの、第1末端および第2末端を有するアクチュエータアームと、
少なくとも1つのヘッドとを備え、
各アームは、前記第1末端でヘッドを有し、
各ヘッドは、
エネルギ源と、近接場トランスデューサとを有し、前記近接場トランスデューサは導電性窒化物を含み、
磁気読取り器と、磁気書込み器とを有し、前記エネルギ源と前記近接場トランスデューサとは、前記磁気書込み器の書込みを補助するために、前記エネルギ源からの光線を前記近接場トランスデューサに伝達するように構成される、ディスクドライブ。 - 前記近接場トランスデューサは、TiN、ZrN、TaN、HfN、またはそれらの組合わせと、Au、Ag、Cu、またはそれらの合金から選択される非窒化物材料とを含む、請求項19に記載のディスクドライブ。
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US201261637696P | 2012-04-24 | 2012-04-24 | |
US61/637,696 | 2012-04-24 | ||
US13/795,634 US9224416B2 (en) | 2012-04-24 | 2013-03-12 | Near field transducers including nitride materials |
US13/795,634 | 2013-03-12 |
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- 2013-04-24 CN CN201310145227.0A patent/CN103514888B/zh active Active
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TWI533295B (zh) | 2016-05-11 |
TW201403592A (zh) | 2014-01-16 |
US9224416B2 (en) | 2015-12-29 |
KR20130119886A (ko) | 2013-11-01 |
KR101563210B1 (ko) | 2015-10-26 |
JP5805698B2 (ja) | 2015-11-04 |
CN103514888B (zh) | 2018-02-23 |
US20130279315A1 (en) | 2013-10-24 |
CN103514888A (zh) | 2014-01-15 |
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